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	<title>PlanetMysql.ru - информация о СУБД MySQL &#187; business</title>
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		<title>Tyranny of a Google vote</title>
		<link>http://feedproxy.google.com/~r/iheavy/~3/i3Jn0xk7t88/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=tyranny-of-a-google-vote</link>
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		<pubDate>Mon, 30 Apr 2012 11:15:11 +0000</pubDate>
		<dc:creator>Sean Hull</dc:creator>
				<category><![CDATA[All]]></category>
		<category><![CDATA[business]]></category>
		<category><![CDATA[content strategy]]></category>
		<category><![CDATA[search marketing]]></category>
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		<guid isPermaLink="false">http://www.iheavy.com/?p=4166</guid>
		<description><![CDATA[Read the original article at Tyranny of a Google voteImage by Hajo de Reijger, politicallyillustrated.comFor the past year I’ve been seeing headline blogs analyzing the effect of Google’s last algorithm update, dubbed the Panda. There was much talk of unfair relegation from the first page of Google search results, and general indignance by the SEO community.As with any subject in which I only have cursory knowledge I didn’t think much of it. I thought that as long as I didn’t engage in link-buying and whatever is known as “black hat” tactics, the search engines would be fair. What I didn’t realise with Google was how subjective it has become in ranking websites. I was particularly tripped up in the area of duplicate content.Some of my articles are syndicated to DZone.com, a hub for tech bloggers. They’d approached me about a year ago asking if I’d like them to carry our content. It seemed like a good way to gain visibility so I agreed.Recently, I ran a Google search on the actual content that was syndicated and found the following results:TitleDzone rankiheavy rankZero Downtime &#8211; What is it?#21(not in first 5 pages)Deploying MySQL on EC2#1(not in first 5 pages)Cloud Computing Use Cases#5(not in first 5 pages)Perhaps syndication wasn’t such a good idea after all.Now DZone.com&#8217;s pagerank is a 6 while iheavy.com is a 3. Google&#8217;s algorithm is probably weighing the pagerank of Dzone higher, and serving up those results at the expense of the original. It could be that the algorithms can&#8217;t determine which is original but Google&#8217;s bots know full well when content is published, so it knows the iheavy.com content was created before.More likely it cannot supersede the ranking algorithm. It is one based on popularity.What&#8217;s Original Content?All of this raises the question of the value of original content. In this case we&#8217;ve given this site permission to carry our content, not knowing whether that would be good or bad for us. Nevertheless, it does seem to go against common sense, and perhaps what Internet users intuition might tell them, that they were not clicking through to the original creator of some content.Can Google&#8217;s Algorithm Value *See* Original Work? Is there an incentive to do so?The update brings up interesting questions about Google&#8217;s ranking algorithm. In a world where the popularity indicator is given the highest weight, will we find what we are looking for? In my case, I write articles related to my area of expertise, which is on web architecture, scalability and general tech consulting matters. Of course I want people to find my site when they’re looking for solutions to problems relevant to them. Yet in Google’s calculations, popularity trumps provenance.Many bigger sites are experiencing the same thing and at an even larger scale. According to SEO Moz, Panda is forcing a change onto the role of SEOs, turning them into that of web strategists. While traditional SEO methods of optimizing for keywords, and putting out quality content still count, design and user experience, shareability, likeability; what’s known as “signals” that could predict the site’s popularity, are influencing the overall results of your site.As an independent business owner with limited resources my time off hours is invested in writing better articles that appeal to people searching for MySQL or scalability consulting and less about putting in the bells and whistles to raise site popularity. But if that’s what Google favors then I’ll probably have to rethink my approach.As much as I can squeeze out of a busy schedule, there’s not a high chance that this website can surpass a giant such as Dzone in popularity.The Internet is meant to be a place where the pint-sized can have a fair chance at making an impression. With the way search algorithms have evolved, things are looking more like a reality TV talent contest where skill alone without good looks and a nice smile are just not enough to win the popular vote.For more articles like these go to iHeavy, Inc +1-212-533-6828]]></description>
			<content:encoded><![CDATA[<p>Read the original article at <a href="http://www.iheavy.com/2012/04/30/tyranny-of-a-google-vote-2/">Tyranny of a Google vote</a></p><div><a href="http://www.iheavy.com/2012/04/30/tyranny-of-a-google-vote-2/googleinchains-2/" rel="attachment wp-att-4172"><img class="size-full wp-image-4172 " title="GoogleInChains" src="http://www.iheavy.com/wp-content/uploads/2012/04/GoogleInChains1.jpg" alt="" width="320" height="179" /></a><p>Image by Hajo de Reijger, politicallyillustrated.com</p></div><p>For the past year I’ve been seeing headline blogs analyzing the effect of Google’s last algorithm update, dubbed the Panda. There was much talk of unfair relegation from the first page of Google search results, and general indignance by the SEO community.</p><p>As with any subject in which I only have cursory knowledge I didn’t think much of it. I thought that as long as I didn’t engage in link-buying and whatever is known as “black hat” tactics, the search engines would be fair. What I didn’t realise with Google was how subjective it has become in ranking websites. I was particularly tripped up in the area of duplicate content.</p><p>Some of my articles are syndicated to DZone.com, a hub for tech bloggers. They’d approached me about a year ago asking if I’d like them to carry our content. It seemed like a good way to gain visibility so I agreed.</p><p>Recently, I ran a Google search on the actual content that was syndicated and found the following results:</p><table><tr><th>Title</th><th>Dzone rank</th><th>iheavy rank</th></tr><tr><td>Zero Downtime &#8211; What is it?</td><td>#21</td><td>(not in first 5 pages)</td></tr><tr><td>Deploying MySQL on EC2</td><td>#1</td><td>(not in first 5 pages)</td></tr><tr><td>Cloud Computing Use Cases</td><td>#5</td><td>(not in first 5 pages)</td></tr></table><p>Perhaps syndication wasn’t such a good idea after all.</p><p>Now DZone.com&#8217;s pagerank is a 6 while iheavy.com is a 3. Google&#8217;s algorithm is probably weighing the pagerank of Dzone higher, and serving up those results at the expense of the original. It could be that the algorithms can&#8217;t determine which is original but Google&#8217;s bots know full well when content is published, so it knows the iheavy.com content was created before.</p><p>More likely it cannot supersede the ranking algorithm. It is one based on popularity.</p><h2>What&#8217;s Original Content?</h2><p>All of this raises the question of the value of original content. In this case we&#8217;ve given this site permission to carry our content, not knowing whether that would be good or bad for us. Nevertheless, it does seem to go against common sense, and perhaps what Internet users intuition might tell them, that they were not clicking through to the original creator of some content.</p><h2>Can Google&#8217;s Algorithm Value *See* Original Work? Is there an incentive to do so?</h2><p>The update brings up interesting questions about Google&#8217;s ranking algorithm. In a world where the popularity indicator is given the highest weight, will we find what we are looking for? In my case, I write articles related to my area of expertise, which is on web architecture, scalability and general tech consulting matters. Of course I want people to find my site when they’re looking for solutions to problems relevant to them. Yet in Google’s calculations, popularity trumps provenance.</p><p>Many bigger sites are experiencing the same thing and at an even larger scale. According to SEO Moz, Panda is <a href="http://www.seomoz.org/blog/how-googles-panda-update-changed-seo-best-practices-forever-whiteboard-friday">forcing a change onto the role of SEOs</a>, turning them into that of web strategists. While traditional SEO methods of optimizing for keywords, and putting out quality content still count, design and user experience, shareability, likeability; what’s known as “signals” that could predict the site’s popularity, are influencing the overall results of your site.</p><p>As an independent business owner with limited resources my time off hours is invested in writing better articles that appeal to people searching for MySQL or scalability consulting and less about putting in the bells and whistles to raise site popularity. But if that’s what Google favors then I’ll probably have to rethink my approach.</p><p>As much as I can squeeze out of a busy schedule, there’s not a high chance that this website can surpass a giant such as Dzone in popularity.</p><p>The Internet is meant to be a place where the pint-sized can have a fair chance at making an impression. With the way search algorithms have evolved, things are looking more like a reality TV talent contest where skill alone without good looks and a nice smile are just not enough to win the popular vote.</p><p>For more articles like these go to <a href="http://www.iheavy.com">iHeavy, Inc +1-212-533-6828</a></p><img src="http://feeds.feedburner.com/~r/iheavy/~4/i3Jn0xk7t88" height="1" width="1" /><br/>PlanetMySQL Voting:
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		<title>OurSQL Episode 88: MySQL Founders</title>
		<link>http://technocation.org/content/oursql-episode-88%3A-mysql-founders?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=oursql-episode-88-mysql-founders</link>
		<comments>http://technocation.org/content/oursql-episode-88%3A-mysql-founders#comments</comments>
		<pubDate>Fri, 27 Apr 2012 15:01:44 +0000</pubDate>
		<dc:creator>Technocation</dc:creator>
				<category><![CDATA[business]]></category>
		<category><![CDATA[conferences]]></category>
		<category><![CDATA[Podcasts]]></category>

		<guid isPermaLink="false">http://planetmysql.ru/?guid=4a6b77476a0e83de2e7d7cd93b7b24bf</guid>
		<description><![CDATA[This week we listen to MySQL founders David Axmark and Michael "Monty" Widenius talk about all sorts of topics, from the MySQL ecosystem to "Crazy Monty", an open source restaurant. David and Monty don't always agree, so this panel is enlightening and also funny. 
News/Events/Feedback
MariaDB 5.5 features - 5.5 is now GA!
IOUG podcast about MySQL Connect and the new Development Milestone Release (DMR) of MySQL 5.6.
read more]]></description>
			<content:encoded><![CDATA[<p>This week we listen to MySQL founders David Axmark and Michael "Monty" Widenius talk about all sorts of topics, from the MySQL ecosystem to "Crazy Monty", an open source restaurant. David and Monty don't always agree, so this panel is enlightening and also funny. </p>
<p><strong>News/Events/Feedback</strong><br />
<a href="http://kb.askmonty.org/en/what-is-mariadb-55">MariaDB 5.5 features</a> - 5.5 is now GA!</p>
<p><a href="http://blogs.ioug.org/2012/04/18/ioug-podcast-18-apr-2012/">IOUG podcast</a> about <a href="http://www.oracle.com/mysqlconnect/index.html">MySQL Connect</a> and the new <a href="http://sqlhjalp.blogspot.com/2012/04/mysql-565-m8-dmr-table-of-contents.html">Development Milestone Release (DMR) of MySQL 5.6</a>.</p>
<p><a href="http://technocation.org/content/oursql-episode-88%3A-mysql-founders">read more</a></p><br/>PlanetMySQL Voting:
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		<title>OurSQL Episode 87: A Shift in the Cloud</title>
		<link>http://technocation.org/content/oursql-episode-87%3A-shift-cloud?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=oursql-episode-87-a-shift-in-the-cloud</link>
		<comments>http://technocation.org/content/oursql-episode-87%3A-shift-cloud#comments</comments>
		<pubDate>Fri, 20 Apr 2012 14:12:47 +0000</pubDate>
		<dc:creator>Technocation</dc:creator>
				<category><![CDATA[business]]></category>
		<category><![CDATA[Learning]]></category>
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		<description><![CDATA[This week we talk with Mark Atwood of RedHat about OpenShift, a free, auto-scaling Platform as a Service (PaaS) for applications. Use promotional code "oursql" when signing up!
News/Events/Feedback
We are very thankful for our listeners! Last week we won a MySQL Community Contributor of the Year award (Sarah Novotny, Gerry Narvaja and Sheeri Cabral, who have all been hosts, won the award). Here's a picture of the award we all won.
read more]]></description>
			<content:encoded><![CDATA[<p>This week we talk with <a href="http://mark.atwood.name/">Mark Atwood</a> of <a href="http://www.redhat.com/">RedHat</a> about <a href="https://openshift.redhat.com/app/">OpenShift</a>, a free, auto-scaling Platform as a Service (PaaS) for applications. Use promotional code "oursql" when signing up!</p>
<p><strong>News/Events/Feedback</strong><br />
We are very thankful for our listeners! Last week we won a MySQL Community Contributor of the Year award (Sarah Novotny, Gerry Narvaja and Sheeri Cabral, who have all been hosts, won the award). Here's <a href="http://sphotos.xx.fbcdn.net/hphotos-ash4/295155_10150800376049343_564394342_11334659_392846697_n.jpg">a picture of the award we all won</a>.</p>
<p><a href="http://technocation.org/content/oursql-episode-87%3A-shift-cloud">read more</a></p><br/>PlanetMySQL Voting:
	 <a href="http://planet.mysql.com/entry/vote/?entry_id=32996&vote=1&apivote=1">Vote UP</a> /
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		<title>OurSQL Episode 87: A Shift in the Cloud</title>
		<link>http://technocation.org/content/oursql-episode-87%3A-shift-cloud?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=oursql-episode-87-a-shift-in-the-cloud</link>
		<comments>http://technocation.org/content/oursql-episode-87%3A-shift-cloud#comments</comments>
		<pubDate>Fri, 20 Apr 2012 14:12:47 +0000</pubDate>
		<dc:creator>Technocation</dc:creator>
				<category><![CDATA[business]]></category>
		<category><![CDATA[Learning]]></category>
		<category><![CDATA[Podcasts]]></category>

		<guid isPermaLink="false">http://planetmysql.ru/?guid=490689315e0c35fdb506fd04fb057664</guid>
		<description><![CDATA[This week we talk with Mark Atwood of RedHat about OpenShift, a free, auto-scaling Platform as a Service (PaaS) for applications. Use promotional code "oursql" when signing up!
News/Events/Feedback
We are very thankful for our listeners! Last week we won a MySQL Community Contributor of the Year award (Sarah Novotny, Gerry Narvaja and Sheeri Cabral, who have all been hosts, won the award). Here's a picture of the award we all won.
read more]]></description>
			<content:encoded><![CDATA[<p>This week we talk with <a href="http://mark.atwood.name/">Mark Atwood</a> of <a href="http://www.redhat.com/">RedHat</a> about <a href="https://openshift.redhat.com/app/">OpenShift</a>, a free, auto-scaling Platform as a Service (PaaS) for applications. Use promotional code "oursql" when signing up!</p>
<p><strong>News/Events/Feedback</strong><br />
We are very thankful for our listeners! Last week we won a MySQL Community Contributor of the Year award (Sarah Novotny, Gerry Narvaja and Sheeri Cabral, who have all been hosts, won the award). Here's <a href="http://sphotos.xx.fbcdn.net/hphotos-ash4/295155_10150800376049343_564394342_11334659_392846697_n.jpg">a picture of the award we all won</a>.</p>
<p><a href="http://technocation.org/content/oursql-episode-87%3A-shift-cloud">read more</a></p><br/>PlanetMySQL Voting:
	 <a href="http://planet.mysql.com/entry/vote/?entry_id=32996&vote=1&apivote=1">Vote UP</a> /
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		<title>The Age of the Platform by Phil Simon</title>
		<link>http://www.iheavy.com/2012/02/13/the-age-of-the-platform-phil-simon/?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=the-age-of-the-platform-by-phil-simon</link>
		<comments>http://www.iheavy.com/2012/02/13/the-age-of-the-platform-phil-simon/#comments</comments>
		<pubDate>Mon, 13 Feb 2012 08:18:23 +0000</pubDate>
		<dc:creator>Sean Hull</dc:creator>
				<category><![CDATA[Book Review]]></category>
		<category><![CDATA[business]]></category>
		<category><![CDATA[CTO/CIO]]></category>

		<guid isPermaLink="false">http://www.iheavy.com/?p=2605</guid>
		<description><![CDATA[Read the original article at The Age of the Platform by Phil SimonI picked up Phil Simon's The Age of the Platform after running into his blog, and some of his writing online. Simon is an interesting guy with an obvious strong technical background. He's also an accomplished speaker and you can find several videos of his speaking online.The first thing that struck me about this book was how it came to be. The book was funded through Kickstarter, an online platform for people to fund their creative projects. Perhaps it was Simon trying to drive home the point of his book. But it gets better, he self-published the book through Motion Publishing. Furthermore the book isn't cheap for a paperback at $20. That said I admire that he has obviously eaten his own dog food, as the proverbial saying goes, and done it himself.The premise of the book is that we're entering a new age exemplified by four companies, namely Google, Facebook, Amazon and Apple. He takes us through a quick history of each company, then illustrates their successes and how each of them have successfully created platforms to extend their reach.Apple did something amazing when they created the Appstore, which boosted demand for their products just a bit more each time a new app is developed for their platform. Google has strong gravitational pull with their platform by building endless free services from email to instant message and voice, to the news, maps &#38; shopping. And let's not forget Amazon who are putting a storefront in your hands with their Kindle, and expanding in other directions with their datacenter technologies. And last but surely not least comes Facebook, who've also obviously gained much by allowing third parties to build apps and extend their own platform.Simon describes these 'platforms' as a new economic phenomenon. I think large firms have done this in the past, such as Microsoft, Oracle or Kodak. Further one might argue car makers, with the endless variety of third party suppliers &#38; accessories support a huge ecosystem as well.Another argument that seemed to prevail in the book is that the gang of four embrace openness and that this is something new. Certainly these four embrace openness in certain areas. But overall I would argue that they like many firms that have come before them, embrace openness when they are being disruptive to existing businesses, while they exhibit the same territorial monopolistic tendencies when they are protecting their own established business. Google has shown this in dealing with affiliates dismissively, Apple has shown this by not allowing certain apps into the app store which pose a competitive risk, Facebook exhibits this tendency when trying to export your data, profile, events or photo albums out of the service. And even Amazon has been tempted by and accused of using old economy tactics to pressure publishers for bigger discounts.Should we all jump on the platform?Simon's premise also seems to include the idea that you and me, small business owners or sole proprietors can use these same concepts, to build our own businesses in new and exciting directions. In fact he says that we must do this or face obsolesence. Now while I admit that it is certainly important to watch trends, and not allow the changing winds of business and technology to leave us without customers or clients, it's not at all clear to me that focusing on one thing and doing it well is a recipe for failure. The folks at 37 Signals have illustrated this so well with Basecamp. So has Chip Conley has with his chain of Joie de Vivre Hospitality hotels. Read more about his business philosophies in his great book Peak - How Great Companies Get Their Mojo from Maslow.What's more I definitely think great companies have failed in the past by trying to innovate in areas not close to core business.So overall I think Simon has some good ideas, I think he's stretched it a bit in trying to point out an underlying trend calling this an age of the platform. If we must call it something it's simply the age of the Internet, the age of disruption.For more articles like these go to MySQL Expert, Linux, EC2 &#38; Scalability Consulting NYC]]></description>
			<content:encoded><![CDATA[<p>Read the original article at <a href="http://www.iheavy.com/2012/02/13/the-age-of-the-platform-phil-simon/">The Age of the Platform by Phil Simon</a></p><p><a href="http://www.iheavy.com/2012/02/13/the-age-of-the-platform-phil-simon/age-platform/" rel="attachment wp-att-2609"><img class="alignleft size-full wp-image-2609" title="age platform" src="http://d1wcmuriwzc7sn.cloudfront.net/wp-content/uploads/2012/02/age-platform.png" alt="The Age of the platform book cover" width="175" height="255" /></a>I picked up Phil Simon's The Age of the Platform after running into his blog, and some of his writing online. Simon is an interesting guy with an obvious strong technical background. He's also an accomplished speaker and you can find several videos of his speaking online.</p><p>The first thing that struck me about this book was how it came to be. The book was funded through <a href="http://www.kickstarter.com/">Kickstarter</a>, an online platform for people to fund their creative projects. Perhaps it was Simon trying to drive home the point of his book. But it gets better, he self-published the book through Motion Publishing. Furthermore the book isn't cheap for a paperback at $20. That said I admire that he has obviously eaten his own dog food, as the proverbial saying goes, and done it himself.</p><p>The premise of the book is that we're entering a new age exemplified by four companies, namely Google, Facebook, Amazon and Apple. He takes us through a quick history of each company, then illustrates their successes and how each of them have successfully created platforms to extend their reach.<span></span></p><p>Apple did something amazing when they created the Appstore, which boosted demand for their products just a bit more each time a new app is developed for their platform. Google has strong gravitational pull with their platform by building endless free services from email to instant message and voice, to the news, maps &amp; shopping. And let's not forget Amazon who are putting a storefront in your hands with their Kindle, and expanding in other directions with their datacenter technologies. And last but surely not least comes Facebook, who've also obviously gained much by allowing third parties to build apps and extend their own platform.</p><p>Simon describes these 'platforms' as a new economic phenomenon. I think large firms have done this in the past, such as Microsoft, Oracle or Kodak. Further one might argue car makers, with the endless variety of third party suppliers &amp; accessories support a huge ecosystem as well.</p><p>Another argument that seemed to prevail in the book is that the gang of four embrace openness and that this is something new. Certainly these four embrace openness in certain areas. But overall I would argue that they like many firms that have come before them, embrace openness when they are being disruptive to existing businesses, while they exhibit the same territorial monopolistic tendencies when they are protecting their own established business. Google has shown this in dealing with affiliates dismissively, Apple has shown this by not allowing certain apps into the app store which pose a competitive risk, Facebook exhibits this tendency when trying to export your data, profile, events or photo albums out of the service. And even Amazon has been tempted by and accused of using old economy tactics to pressure publishers for bigger discounts.</p><h2>Should we all jump on the platform?</h2><p>Simon's premise also seems to include the idea that you and me, small business owners or sole proprietors can use these same concepts, to build our own businesses in new and exciting directions. In fact he says that we must do this or face obsolesence. Now while I admit that it is certainly important to watch trends, and not allow the changing winds of business and technology to leave us without customers or clients, it's not at all clear to me that focusing on one thing and doing it well is a recipe for failure. The folks at 37 Signals have illustrated this so well with Basecamp. So has Chip Conley has with his chain of Joie de Vivre Hospitality hotels. Read more about his business philosophies in his great book <a href="http://www.amazon.com/Peak-Great-Companies-Their-Maslow/dp/0787988618">Peak - How Great Companies Get Their Mojo from Maslow.</a></p><p>What's more I definitely think great companies have failed in the past by trying to innovate in areas not close to core business.</p><p>So overall I think Simon has some good ideas, I think he's stretched it a bit in trying to point out an underlying trend calling this an age of the platform. If we must call it something it's simply the age of the Internet, the age of disruption.</p><p>For more articles like these go to <a href="http://www.iheavy.com">MySQL Expert, Linux, EC2 &amp; Scalability Consulting NYC</a></p><br/>PlanetMySQL Voting:
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		<title>Changing Name and Improving Focus</title>
		<link>http://feedproxy.google.com/~r/dataandco/~3/vKQ-LkuWDmQ/changing-name-and-improving-focus.html?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=changing-name-and-improving-focus</link>
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		<pubDate>Sun, 08 Jan 2012 17:55:00 +0000</pubDate>
		<dc:creator>Luca Olivari</dc:creator>
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		<description><![CDATA[You might have noticed that this blog changed name and URL.&#160;Instead of having one single blog for everything, I decided to split my blogging activities in two separate blogs.

If you're interested in MySQL, Oracle,&#160;Databases, Business Intelligence, Open Source, Cloud, etc. this is the place to be. Blog's new name is Data &#38; Co.
A big "Thank you!" to&#160;David Stokes&#160;who moved all the planet.mysql.com references to the old blog to this new one.

On the other hand, if you'd like to read about communication, marketing, advertising, PR, soft skills, etc. feel free look at Publicime.&#160;&#160;Please see the introduction of my new blog here.&#160;I've moved non-technical articles to this one to make sure my posts on Data &#38; Co are exclusively technology-centric.

This will result in better focus for both blogs and I won't annoy you with topics you're not interested in. The old url is redirecting to Data &#38; Co. by default.]]></description>
			<content:encoded><![CDATA[You might have noticed that this blog changed name and URL.&nbsp;Instead of having one single blog for everything, I decided to split my blogging activities in two separate blogs.<br />
<br />
If you're interested in MySQL, Oracle,&nbsp;Databases, Business Intelligence, Open Source, Cloud, etc. this is the place to be. Blog's new name is <a href="http://dataandco.blogspot.com/">Data &amp; Co</a>.<br />
A big "Thank you!" to&nbsp;<a href="http://opensourcedba.wordpress.com/">David Stokes</a>&nbsp;who moved all the planet.mysql.com references to the old blog to this new one.<br />
<br />
On the other hand, if you'd like to read about communication, marketing, advertising, PR, soft skills, etc. feel free look at <a href="http://publicime.blogspot.com/">Publicime</a>.&nbsp;&nbsp;Please see the introduction of my new blog <a href="http://publicime.blogspot.com/2012/01/what-are-we-talking-about-whats.html">here</a>.&nbsp;I've moved non-technical articles to this one to make sure my posts on Data &amp; Co are exclusively technology-centric.<br />
<br />
This will result in better focus for both blogs and I won't annoy you with topics you're not interested in. The old <a href="http://justaboutcommunication.blogspot.com/">url </a>is redirecting to Data &amp; Co. by default.<br />
<br />
<br />
<br />
<br /><div><img width="1" height="1" src="https://blogger.googleusercontent.com/tracker/8877901999053801110-7769595185676997034?l=dataandco.blogspot.com" alt="" /></div>
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		<title>OurSQL Episode 73: What happened?</title>
		<link>http://technocation.org/content/oursql-episode-73%3A-what-happened%3F?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=oursql-episode-73-what-happened</link>
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		<pubDate>Fri, 06 Jan 2012 17:46:49 +0000</pubDate>
		<dc:creator>Technocation</dc:creator>
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		<description><![CDATA[This week we present a year in review for the MySQL Ecosystem, including updates from Oracle's MySQL, SkySQL, Percona and MariaDB.
News:
The MySQL developer’s room at FOSDEM has almost 40 submissions, and only about a dozen slots, so they need your vote to figure out what sessions will be presented.  Send in your votes via twitter or e-mail, see Giuseppe's blog post and session descriptions.
read more]]></description>
			<content:encoded><![CDATA[<p>This week we present a year in review for the MySQL Ecosystem, including updates from <a href="http://www.mysql.com">Oracle's MySQL</a>, <a href="http://www.skysql.com">SkySQL</a>, <a href="http://www.percona.com">Percona</a> and <a href="http://www.mariadb.org">MariaDB</a>.</p>
<p>News:<br />
The MySQL developer’s room at FOSDEM has almost 40 submissions, and only about a dozen slots, so they need your vote to figure out what sessions will be presented.  Send in your votes via twitter or e-mail, see <a href="http://datacharmer.blogspot.com/2012/01/time-to-vote-for-mysql-sessions-at.html">Giuseppe's blog post</a> and <a href="http://code.google.com/p/mysql-forge/wiki/FOSDEM_2012_MySQL_and_Friends_proposals">session descriptions</a>.</p>
<p><a href="http://technocation.org/content/oursql-episode-73%3A-what-happened%3F">read more</a></p><br/>PlanetMySQL Voting:
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		<title>2011, A great year for MySQL in review&#8230;</title>
		<link>http://feedproxy.google.com/~r/ItsJustAboutCommunication/~3/5Isa-1JnQjc/2011-great-year-for-mysql-in-review.html?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=2011-a-great-year-for-mysql-in-review</link>
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		<pubDate>Thu, 29 Dec 2011 12:31:00 +0000</pubDate>
		<dc:creator>Luca Olivari</dc:creator>
				<category><![CDATA[2011]]></category>
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		<description><![CDATA[I see so many posts on what happened to company X, product Y and dream Z that I couldn't resist the temptation to summarize this great year for MySQL. At the end of 2010, Oracle did an announcement we were all waiting for:&#160;MySQL 5.5 is GA!&#160;Another year has passed since then and it's time to reflect on what has been done.

I know this is a long post. I tried to rewrite it at least 10 times to make it shorter, but I couldn't condense the list. Hence, I wrote a summary in the beginning for those who don't want to read it all.

I believe that 2011 was an exceptional year for MySQL and I really enjoy being part of this team. I wish all of us a lot of success and fun in the years to come!

Summary:
Oracle released many&#160;MySQL 5.6 and&#160;MySQL Cluster 7.2&#160;DMRs accompanied&#160;by new versions of MySQL Enterprise Monitor, MySQL Enterprise Backup,&#160;MySQL Workbench&#160;(and utilities), MySQL Proxy, MySQL Cluster Manager&#160;and&#160;Connectors.

The MySQL team unveiled new products like the MySQL Installer for Windows and Oracle VM Templates for MySQL. Besides, the&#160;MySQL Enterprise offering has been enriched with new commercial extensions.&#160;MySQL can now be leveraged as one of the Oracle data management solutions with new certifications&#160;and the integration with My Oracle Support&#160;increased the business value of customers' investment on Oracle technologies.

Additionally MySQL presented at mayor events across the world and won a few awards.


Long List:
If you're still reading, below you can find an hopefully-extensive list of announcements and blogs (in reverse&#160;chronological&#160;order). I've mainly covered product releases, events and awards. Please let me know if I missed something.

Products:&#160;
Dec 26 - MySQL Workbench 5.2.37 Has Been Released
Dec 20 - MySQL 5.6.4 Development Milestone Now Available!
Dec 02 - MySQL Enterprise Monitor 2.3.8 is now GA!
Nov 28 - MySQL 5.5.18 Debian packaging now available
Oct 10 - New MySQL Enterprise Oracle Certifications
Oct 10 - MySQL Utilities 1.0.3
Oct 07 - MySQL Cluster 7.2 (DMR2): NoSQL, Key/Value, Memcached
Oct 03 - More Early Access Features in the MySQL 5.6.3 Development Milestone!
Oct 03 -&#160;New Development Milestone Releases &#38; Certifications!
Sep 15 - New Commercial Extensions for MySQL Enterprise Editions
Sep 09 - MySQL@Oracle OpenWorld
Sep 06 -&#160;Oracle Enhances MySQL Installer and High Availability for Windows
Sep 06 - Oracle Enhances MySQL Manageability on Windows
Aug 19 - MySQL Proxy 0.8.2 Has Been Released
Aug 01 -&#160;More New MySQL 5.6 Early Access Features
Jul 19 -&#160;MySQL Enterprise Backup 3.6 - New backup streaming, integration with Oracle Secure Backup and other common backup media solutions
Jul 18 - Simpler and Safer Clustering: MySQL Cluster Manager Update
Jul 06 - Announced Oracle VM Templates for MySQL
Apr 12 - MySQL Cluster 7.2 Development Milestone Release - NoSQL with Memcached and 20x Higher JOIN Performance
Apr 11 -&#160;Top Features in MySQL 5.6.2 Development Milestone Release
Apr 11 - Introducing the MySQL Installer for Windows
Mar 15 - Oracle Enhances MySQL Enterprise Edition

Events:
Oct 26 - A lot of MySQL Events in Europe
Oct 12 - MySQL Roadshow in Germany
Sep 16 - OTN MySQL Developer Day in London
Aug 08 - OTN Developer Day: MySQL is Coming to Washington, DC
Jul 14 -&#160;New “Meet The MySQL Experts” Podcast Series
May 13 - Upcoming MySQL Events in Europe
Apr 26 -&#160;OTN Developer Day for MySQL - Santa Clara, CA
Mar 25 - MySQL (and Cluster) at Collaborate and O'Reilly MySQL Conference
Mar 14 -&#160;First Ever MySQL on Windows Online Forum - March 16, 2011

Awards:
Dec 15 -&#160;MySQL Wins Best Open Source Product of 2011 Award
Jun 03 - MySQL Wins the php&#124;architect Impact Award for Data Management
Jan 17 - MySQL Makes the Cover of Oracle Magazine

To all MySQL customers, partners, colleagues, developers, users, advocates or aficionados:&#160;Thank you for this terrific year!&#160;Go MySQL!]]></description>
			<content:encoded><![CDATA[I see so many posts on what happened to company X, product Y and dream Z that I couldn't resist the temptation to summarize this great year for MySQL. At the end of 2010, Oracle did an announcement we were all waiting for:&nbsp;<a href="http://blogs.oracle.com/MySQL/entry/mysql_55_is_ga">MySQL 5.5 is GA</a>!&nbsp;Another year has passed since then and it's time to reflect on what has been done.<br />
<br />
I know this is a long post. I tried to rewrite it at least 10 times to make it shorter, but I couldn't condense the list. Hence, I wrote a summary in the beginning for those who don't want to read it all.<br />
<br />
I believe that 2011 was an exceptional year for MySQL and I really enjoy being part of this team. I wish all of us a lot of success and fun in the years to come!<br />
<br />
<b>Summary:</b><br />
<a href="http://www.mysql.com/common/logos/logo-mysql-110x57.png" imageanchor="1"><img border="0" src="http://www.mysql.com/common/logos/logo-mysql-110x57.png" /></a>Oracle released many&nbsp;<a href="http://dev.mysql.com/tech-resources/articles/whats-new-in-mysql-5.6.html">MySQL 5.6 </a>and&nbsp;<a href="http://dev.mysql.com/tech-resources/articles/mysql-cluster-labs-dev-milestone-release.html">MySQL Cluster 7.2</a>&nbsp;DMRs accompanied&nbsp;by new versions of <a href="http://mysql.com/products/enterprise/monitor.html">MySQL Enterprise Monitor</a>, <a href="http://mysql.com/products/enterprise/backup.html">MySQL Enterprise Backup</a>,&nbsp;<a href="http://www.mysql.com/products/workbench/">MySQL Workbench</a>&nbsp;(and <a href="http://drcharlesbell.blogspot.com/2011/10/mysql-utilities-release-103.html">utilities</a>), <a href="http://dev.mysql.com/downloads/mysql-proxy/">MySQL Proxy</a>, <a href="http://www.mysql.com/products/cluster/mcm/">MySQL Cluster Manager</a>&nbsp;and&nbsp;<a href="http://dev.mysql.com/downloads/connector/">Connectors</a>.<br />
<br />
The MySQL team unveiled new products like the <a href="http://dev.mysql.com/tech-resources/articles/mysql-installer-for-windows.html">MySQL Installer</a> for Windows and <a href="http://www.oracle.com/us/corporate/press/421994">Oracle VM Templates for MySQL</a>. Besides, the&nbsp;<a href="http://www.mysql.com/products/enterprise/">MySQL Enterprise</a> offering has been enriched with new <a href="http://blogs.oracle.com/MySQL/entry/new_commercial_extensions_for_mysql">commercial extensions</a>.&nbsp;MySQL can now be leveraged as one of the Oracle data management solutions with new <a href="http://blogs.oracle.com/MySQL/entry/new_mysql_enterprise_oracle_certifications">certifications</a>&nbsp;and the integration with <a href="http://www.oracle.com/us/support/mos-mysql-297243.html">My Oracle Support</a>&nbsp;increased the business value of customers' investment on Oracle technologies.<br />
<br />
Additionally MySQL presented at mayor <a href="http://mysql.com/news-and-events/events/">events </a>across the world and won a few <a href="http://www.mysql.com/why-mysql/awards/">awards</a>.<br />
<br />
<a name='more'></a><br />
<b>Long List:</b><br />
If you're still reading, below you can find an hopefully-extensive list of announcements and blogs (in reverse&nbsp;chronological&nbsp;order). I've mainly covered product releases, events and awards. Please let me know if I missed something.<br />
<br />
<b>Products:&nbsp;</b><br />
Dec 26 - <a href="http://blogs.oracle.com/mysqlworkbench/entry/mysql_workbench_5_2_37">MySQL Workbench 5.2.37 Has Been Released</a><br />
Dec 20 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_5_6_4_development">MySQL 5.6.4 Development Milestone Now Available!</a><br />
Dec 02 - <a href="http://blogs.oracle.com/mysqlenterprise/entry/mysql_enterprise_monitor_2_34">MySQL Enterprise Monitor 2.3.8 is now GA!</a><br />
Nov 28 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_5_5_18_debian">MySQL 5.5.18 Debian packaging now available</a><br />
Oct 10 - <a href="http://blogs.oracle.com/MySQL/entry/new_mysql_enterprise_oracle_certifications">New MySQL Enterprise Oracle Certifications</a><br />
Oct 10 - <a href="http://drcharlesbell.blogspot.com/2011/10/mysql-utilities-release-103.html">MySQL Utilities 1.0.3</a><br />
Oct 07 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_cluster_7_2_dmr2">MySQL Cluster 7.2 (DMR2): NoSQL, Key/Value, Memcached</a><br />
Oct 03 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_cluster_7_2_dmr2">More Early Access Features in the MySQL 5.6.3 Development Milestone!</a><br />
Oct 03 -&nbsp;<a href="http://blogs.oracle.com/MySQL/entry/new_development_milestone_releases_certifications">New Development Milestone Releases &amp; Certifications!</a><br />
Sep 15 - <a href="http://blogs.oracle.com/MySQL/entry/new_commercial_extensions_for_mysql">New Commercial Extensions for MySQL Enterprise Editions</a><br />
Sep 09 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_oracle_openworld">MySQL@Oracle OpenWorld</a><br />
Sep 06 -&nbsp;<a href="http://www.oracle.com/us/corporate/press/485067">Oracle Enhances MySQL Installer and High Availability for Windows</a><br />
Sep 06 - <a href="http://blogs.oracle.com/MySQL/entry/oracle_enhances_mysql_manageability_on">Oracle Enhances MySQL Manageability on Windows</a><br />
Aug 19 - <a href="http://blogs.oracle.com/mysqlenterprise/entry/mysql_proxy_0_8_2">MySQL Proxy 0.8.2 Has Been Released</a><br />
Aug 01 -&nbsp;<a href="http://blogs.oracle.com/MySQL/entry/more_new_mysql_5_6">More New MySQL 5.6 Early Access Features</a><br />
Jul 19 -&nbsp;<a href="http://blogs.oracle.com/MySQL/entry/mysql_enterprise_backup_3_6">MySQL Enterprise Backup 3.6 - New backup streaming, integration with Oracle Secure Backup and other common backup media solutions</a><br />
Jul 18 - <a href="http://blogs.oracle.com/MySQL/entry/simpler_and_safer_clustering_mysql">Simpler and Safer Clustering: MySQL Cluster Manager Update</a><br />
Jul 06 - <a href="http://blogs.oracle.com/MySQL/entry/virtualizing_mysql_1_click_kick">Announced Oracle VM Templates for MySQL</a><br />
Apr 12 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_cluster_72_development_milestone_release_-_nosql_with_memcached_and_20x_higher_join_performanc">MySQL Cluster 7.2 Development Milestone Release - NoSQL with Memcached and 20x Higher JOIN Performance</a><br />
Apr 11 -&nbsp;<a href="http://blogs.oracle.com/MySQL/entry/top_features_in_mysql_562_development_milestone_release">Top Features in MySQL 5.6.2 Development Milestone Release</a><br />
Apr 11 - <a href="http://dev.mysql.com/tech-resources/articles/mysql-installer-for-windows.html">Introducing the MySQL Installer for Windows</a><br />
Mar 15 - <a href="http://www.oracle.com/us/corporate/press/339030">Oracle Enhances MySQL Enterprise Edition</a><br />
<br />
<b>Events:</b><br />
Oct 26 - <a href="http://blogs.oracle.com/MySQL/entry/and_more_mysql_events_in">A lot of MySQL Events in Europe</a><br />
Oct 12 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_roadshow_in_germany">MySQL Roadshow in Germany</a><br />
Sep 16 - <a href="http://blogs.oracle.com/MySQL/entry/otn_mysql_developer_day_in">OTN MySQL Developer Day in London</a><br />
Aug 08 - <a href="http://blogs.oracle.com/MySQL/entry/otn_developer_day_mysql_is">OTN Developer Day: MySQL is Coming to Washington, DC</a><br />
Jul 14 -&nbsp;<a href="http://blogs.oracle.com/MySQL/entry/new_meet_the_mysql_experts">New “Meet The MySQL Experts” Podcast Series</a><br />
May 13 - <a href="http://blogs.oracle.com/MySQL/entry/upcoming_mysql_events_in_europe">Upcoming MySQL Events in Europe</a><br />
Apr 26 -&nbsp;<a href="http://blogs.oracle.com/MySQL/entry/otn_developer_day_for_mysql_-_santa_clara_ca">OTN Developer Day for MySQL - Santa Clara, CA</a><br />
Mar 25 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_cluster_on_the_road_oreilly_mysql_and_collaborate_conferences">MySQL (and Cluster) at Collaborate and O'Reilly MySQL Conference</a><br />
Mar 14 -&nbsp;<a href="http://blogs.oracle.com/MySQL/entry/first_ever_mysql_on_windows_online_forum_-_march_16_2011">First Ever MySQL on Windows Online Forum - March 16, 2011</a><br />
<br />
<b>Awards:</b><br />
Dec 15 -&nbsp;<a href="http://mysql%20wins%20best%20open%20source%20product%20of%202011%20award/">MySQL Wins Best Open Source Product of 2011 Award</a><br />
Jun 03 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_wins_the_php_architect">MySQL Wins the php|architect Impact Award for Data Management</a><br />
Jan 17 - <a href="http://blogs.oracle.com/MySQL/entry/mysql_makes_the_cover_of_oracle_magazine">MySQL Makes the Cover of Oracle Magazine</a><br />
<br />
To all MySQL customers, partners, colleagues, developers, users, advocates or aficionados:&nbsp;<b>Thank you for this terrific year!&nbsp;Go MySQL!</b><div><img width="1" height="1" src="https://blogger.googleusercontent.com/tracker/8877901999053801110-3078837993853253512?l=justaboutcommunication.blogspot.com" alt="" /></div>
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		<title>Last Day at PalominoDB</title>
		<link>http://palominodb.com/blog/2011/11/23/last-day-palominodb?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=last-day-at-palominodb</link>
		<comments>http://palominodb.com/blog/2011/11/23/last-day-palominodb#comments</comments>
		<pubDate>Wed, 23 Nov 2011 16:39:38 +0000</pubDate>
		<dc:creator>Sheeri Cabral</dc:creator>
				<category><![CDATA[business]]></category>
		<category><![CDATA[mysql]]></category>
		<category><![CDATA[Palomino]]></category>

		<guid isPermaLink="false">http://planetmysql.ru/?guid=3d046d268df01fa212a9c2f9067dbaf6</guid>
		<description><![CDATA[I have been the Community Liaison and a Senior DBA at PalominoDB for 15 months, and doing remote DBA work for 4 years. &#160;In that time I have learned that "consultant" need not be a dirty word, and that in the DBA world it is actually extremely valuable to have a remote DBA with lots of outside experience, and a team of remote DBAs for when your primary contact is sick or goes on holiday.As with everything, there are downsides to remote database management. &#160;Even though there is a lot of architecture experience among the remote DBAs I know, we are not often invited to architecture meetings. &#160;This is because time is the unit of currency, and while sitting in an hour-long meeting to give 5 minutes of feedback can save hours down the road, it's hard to see that. &#160;Many clients have gotten around this by having all DDL checked and performed by remote DBAs, and that helps a lot.There is also no ownership - we can recommend solutions and technologies, but the client makes the actual decision about whether something needs to be done or not. &#160;I look forward to actually owning architecture after 4 years of making "strong recommendations".Since folks will ask, I have taken a job as a Senior DBA/Architect with Mozilla, starting Monday. &#160;A former co-worker told me about the job; I was not particularly looking for anything, but I was intrigued.I have said before that it is hard to find a good in-house DBA if you are not a huge company like Facebook or Google or Yahoo, and that is still true. &#160;At Mozilla, they are 100% open and public about their ideas, and they do a lot of behind-the-scenes work. &#160;Sound familiar?They also allow their developers to develop on whatever platforms work best. &#160;Their biggest database is their crash reporting database (and they do read it, so do submit your crashes). &#160;They have MySQL, PostgreSQL, and MongoDB, and are starting to move some applications around, as developers are not always aware of what platforms will work best. &#160;There is another DBA, so I will not be alone, but I expect to be just as challenged at Mozilla as I have been at PalominoDB and Pythian.So, to keep up with PalominoDB, you can:- like the PalominoDB page on Facebook- follow @palominodb on Twitter- connect with Laine on LinkedIn- follow PalominoDB on LinkedIn- continue to read PalominoDB's blog and Planet MySQL&#160;To keep up with me, you can:- follow @sheeri on Twitter- read my blog&#160;and&#160;Planet MySQL- connect with me on LinkedIn- subscribe to the OurSQL podcast (details at&#160;http://www.oursql.com/?page_id=2)]]></description>
			<content:encoded><![CDATA[<p>I have been the Community Liaison and a Senior DBA at PalominoDB for 15 months, and doing remote DBA work for 4 years. &nbsp;In that time I have learned that "consultant" need not be a dirty word, and that in the DBA world it is actually extremely valuable to have a remote DBA with lots of outside experience, and a team of remote DBAs for when your primary contact is sick or goes on holiday.</p><p>As with everything, there are downsides to remote database management. &nbsp;Even though there is a lot of architecture experience among the remote DBAs I know, we are not often invited to architecture meetings. &nbsp;This is because time is the unit of currency, and while sitting in an hour-long meeting to give 5 minutes of feedback can save hours down the road, it's hard to see that. &nbsp;Many clients have gotten around this by having all DDL checked and performed by remote DBAs, and that helps a lot.</p><p>There is also no ownership - we can recommend solutions and technologies, but the client makes the actual decision about whether something needs to be done or not. &nbsp;I look forward to actually owning architecture after 4 years of making "strong recommendations".</p><p>Since folks will ask, I have taken a job as a Senior DBA/Architect with <a href="http://www.mozilla.org" >Mozilla</a>, starting Monday. &nbsp;A former co-worker told me about the job; I was not particularly looking for anything, but I was intrigued.</p><p>I have said before that it is hard to find a good in-house DBA if you are not a huge company like Facebook or Google or Yahoo, and that is still true. &nbsp;At Mozilla, they are 100% open and public about their ideas, and they do a lot of behind-the-scenes work. &nbsp;Sound familiar?</p><p>They also allow their developers to develop on whatever platforms work best. &nbsp;Their biggest database is their crash reporting database (and they do read it, so do submit your crashes). &nbsp;They have MySQL, PostgreSQL, and MongoDB, and are starting to move some applications around, as developers are not always aware of what platforms will work best. &nbsp;There is another DBA, so I will not be alone, but I expect to be just as challenged at Mozilla as I have been at PalominoDB and Pythian.</p><p>So, to keep up with PalominoDB, you can:</p><p>- like the <a href="http://www.facebook.com/pages/PalominoDB/109589099065631?ref=ts" >PalominoDB page on Facebook</a></p><p>- follow <a href="http://twitter.com/#!/palominodb" >@palominodb </a>on Twitter</p><p>- connect with <a href="http://www.linkedin.com/in/lainecampbell" >Laine on LinkedIn</a></p><p>- follow <a href="http://www.linkedin.com/company/989346" >PalominoDB on LinkedIn</a></p><p>- continue to read PalominoDB's blog and <a href="http://planet.mysql.com" >Planet MySQL</a></p><p>&nbsp;</p><p>To keep up with me, you can:</p><p>- follow <a href="http://twitter.com/#!/sheeri" >@sheeri </a>on Twitter</p><p>- read my <a href="http://www.sheeri.com" >blog</a>&nbsp;and&nbsp;<a href="http://planet.mysql.com" >Planet MySQL</a></p><p>- <a href="http://www.linkedin.com/in/sheeri%20" >connect with me on LinkedIn</a></p><p>- subscribe to the OurSQL podcast (details at&nbsp;<a href="http://www.oursql.com/?page_id=2" >http://www.oursql.com/?page_id=2</a>)</p><br/>PlanetMySQL Voting:
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		<title>Replication stars</title>
		<link>http://datacharmer.blogspot.com/2011/11/replication-multiple-masters-stars.html?utm_source=rss&#038;utm_medium=rss&#038;utm_campaign=replication-stars</link>
		<comments>http://datacharmer.blogspot.com/2011/11/replication-multiple-masters-stars.html#comments</comments>
		<pubDate>Fri, 04 Nov 2011 15:58:00 +0000</pubDate>
		<dc:creator>Giuseppe Maxia</dc:creator>
				<category><![CDATA[best practices]]></category>
		<category><![CDATA[business]]></category>
		<category><![CDATA[challenge]]></category>
		<category><![CDATA[community]]></category>
		<category><![CDATA[conflict]]></category>
		<category><![CDATA[conflict prevention]]></category>
		<category><![CDATA[continuent]]></category>
		<category><![CDATA[HA]]></category>
		<category><![CDATA[innovation]]></category>
		<category><![CDATA[master]]></category>
		<category><![CDATA[multi-master]]></category>
		<category><![CDATA[multiple]]></category>
		<category><![CDATA[Open Source]]></category>
		<category><![CDATA[Replication]]></category>
		<category><![CDATA[scalability]]></category>
		<category><![CDATA[tungsten]]></category>

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		<description><![CDATA[Working with replication, you come across many topologies, some of them sound and established, some of them less so, and some of them still in the realm of the hopeless wishes. I have been working with replication for almost 10 years now, and my wish l...]]></description>
			<content:encoded><![CDATA[Working with replication, you come across many topologies, some of them sound and established, some of them less so, and some of them still in the realm of the hopeless wishes. I have been working with replication for almost 10 years now, and my wish list grew quite big during this time. In the last 12 months, though, while working at Continuent, some of the topologies that I wanted to work with have moved from the cloud of wishful thinking to the firm land of things that happen.  My quest for star replication starts with the most common topology. One master, many slaves. <table border="0""><tr><td> <img src="http://lh6.ggpht.com/-ZdubvXSXpyI/TrPFPlH8WJI/AAAAAAAABNw/ndLQKrtpCms/replication_1_master_slave.png?imgmax=800" alt="Replication 1 master slave" title="master slave" border="0" width="257" height="219" /> <p align="center"><i>Fig 1. Master/Slave topology</i></p></td><td> <img src="http://lh6.ggpht.com/-xnqiEpTqtgw/TrPFYQfZ-vI/AAAAAAAABOw/NlJOp9ob3bw/replication_legend.png?imgmax=800" alt="Replication legend" title="replication_legend.png" border="0" width="184" height="163" /> <p align="center"><i>Legend</i></p></td></tr></table>It looks like a star, with the rays extending from the master to the slaves. This is the basis of most of the replication going on mostly everywhere nowadays, and it has few surprises. Setting aside the problems related to failing over and switching between nodes, which I will examine in another post, let's move to another star.  <table border="0"><tr><td> <img src="http://lh5.ggpht.com/-brhLZb3Io7Y/TrPFQuS791I/AAAAAAAABN4/QCglBzIn9gc/replication_2_fan_in_slave.png?imgmax=800" alt="Replication 2 fan in slave" title="fan-in slave" border="0" width="249" height="207" /> <p align="center"><i>Fig 2. Fan-in slave, or multiple sources</i></p></td></tr></table>The <i>multiple source replication</i>, also known as <i>fan-in</i> topology, has several masters that replicate to the same slave. For years, this has been forbidden territory for me. But <a href="http://tungsten-replicator.org">Tungsten Replicator</a> allows you to <a href="http://datacharmer.blogspot.com/2011/08/usability-improvements-in-tungsten-204.html">create multiple source topologies easily</a>. This is kind of uni-directional, though. I am also interested in topologies where I have more than one master, and I can retrieve data from multiple points.  <table border="0"><tr><td> <img src="http://lh4.ggpht.com/-0G1Zum3dA5M/TrPFRpamPaI/AAAAAAAABOA/RsKItTUdB5U/replication_3_all_to_all_three_nodes.png?imgmax=800" alt="Replication 3 all to all three nodes" title="all to all three nodes" border="0" width="240" height="186" /> <p align="center"><i>Fig 3. all-to-all three nodes</i></p></td><td> <img src="http://lh3.ggpht.com/-NLK6ERpxbmM/TrPFSuahrdI/AAAAAAAABOI/MzI6_cH4e2U/replication_4_all_to_all_four_nodes.png?imgmax=800" alt="Replication 4 all to all four nodes" title="all to all four nodes" border="0" width="295" height="239" /> <p align="center"><i>Fig 4. All-to-all four nodes</i></p></td></tr></table>Tungsten <a href="http://code.google.com/p/tungsten-replicator/wiki/TRCMultiMasterInstallation#Multi-Master_Installation">Multi-Master Installation</a> solves this problem. It allows me to create topologies where every node replicates to every other node. Looking at the three-node scheme, it appears a straightforward solution. When we add one node, though, we see that the amount of network traffic grows quite a lot. The double sided arrows mean that there is a replication service at each end of the line, and two open data channels. When we move from three nodes to four, we double the replication services and the channels needed to sustain the scheme.  For several months, I was content with this. I thought: it is heavy, but it works, and it's way more than what you can do with native replication, especially if you consider that you can have <a href="http://scale-out-blog.blogspot.com/2011/08/practical-multi-master-replication.html">a practical way of preventing conflicts using Shard Filters</a>.  But that was not enough. Something kept gnawing at me, and from time to time I experimented with Tungsten Replicator huge flexibility to create new topologies. But the star kept eluding me. Until … Until, guess what? a customer asked for it. The problem suddenly ceased to be a personal whim, and it became a business opportunity. Instead of looking at the issue in the idle way I often think about technology, I went at it with practical determination. What failed when I was experimenting in my free time was that either the pieces did not glue together the way I wanted, or I got an endless loop. Tungsten Replicator has a set of components that are conceptually simple. You deploy a pipeline between two points, open the tap, and data starts flowing in one direction. Even with multiple masters replication, the principle is the same. You deploy many pipes, and each one has one purpose only.   <table border="0"><tr><td> <img src="http://lh5.ggpht.com/-vz42MY4fGwQ/TrPFT4Me36I/AAAAAAAABOQ/AJ2ZI2VkGc8/replication_5_star_topology_3_rays.png?imgmax=800" alt="Replication 5 star topology 3 rays" title="star topology 3 rays" border="0" width="267" height="230" /> <p align="center"><i>Fig 5. All-masters star topology</i></p></td></tr></table>In the star topology, however, you need to open more taps, but not too many, as you need to avoid the data looping around. The recipe, as it turned out, is to create a set of bi-directional replication systems, where you enable the central node slave services to get changes only from a specific master, and the slave services on the peripheral nodes to accept changes from any master. It was as simple as that.   There are, of course, benefits and drawbacks with a star topology, compared to a all-replicate-to-all design. In the star topology, we create a single point of failure. If the central node fails, replication stops, and the central node needs to be replaced. Instead, the all-to-all design has no weaknesses. Its abundance of connections makes sure that, if a node fails, the system continues working without any intervention. There is no need for fail-over.    <table border="0"><tr><td> <img src="http://lh4.ggpht.com/-5Kmmu6-vfoc/TrPFXD9sBlI/AAAAAAAABOo/rL9Lu2AZz7M/replication_6_all_to_all_extending.png.png?imgmax=800" alt="Replication 6 all to all extending png" title="all to all extending" border="0" width="317" height="331" /> <p align="center"><i>Fig 6. extending an all-to-all topology</i></p></td><td> <img src="http://lh3.ggpht.com/-QXoDHeUhoa8/TrPFWKqLGmI/AAAAAAAABOg/TZcUBUFOVg4/replication_7_star_extending.png?imgmax=800" alt="Replication 7 star extending" title="star extending" border="0" width="315" height="321" /> <p align="center"><i>Fig 7. Extending a star topology</i></p></td></tr></table>However, there is a huge benefit in the node management. If you need to add a new node, it costs two services and two connections, while the same operation in the all-to-all replication costs 8 services and 8 connections.  With the implementation of this topology, a new challenge has arisen. While conflict prevention by sharding is still possible, this is not the kind of scenario where you want to apply it. We have another conflict prevention mechanism in mind, and this new topology is a good occasion make it happen.  YMMV. I like the additional choice. There are cases where a all-replicate-to-all topology is still the best option, and there are cases where a star topology is more advisable.<div><img width="1" height="1" src="https://blogger.googleusercontent.com/tracker/16959946-651168652658416419?l=datacharmer.blogspot.com" alt="" /></div><br/>PlanetMySQL Voting:
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