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Data Corruption, DRBD and story of bug

 | November 29, 2010 |  Posted In: Hardware and Storage, MySQL

Working with customer, I faced pretty nasty bug, which is actually not rare situation , but in this particular there are some lessons I would like to share. The case is pretty much described in bug 55981, or in pastebin. Everything below is related to InnoDB-plugin/XtraDB, but not to regular InnoDB ( i.e in MySQL […]

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Percona Server 5.1.52-rel11.6

 | November 23, 2010 |  Posted In: MySQL, Percona Software

Percona Server version 5.1.52-rel11.6 is now available for download. The main purpose of this release is to update the current Percona stable release to the latest version of MySQL 5.1. Functionality Added or Changed  Percona Server 5.1.52-rel11.6 is now based on MySQL 5.1.52.  New Features Added: None  Other Changes: None Bugs Fixed Bug #671764 – […]

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Percona XtraBackup 1.4

 | November 22, 2010 |  Posted In: MySQL, Percona Software

Percona XtraBackup 1.4 is now available for download. Version 1.4 fixes problems related to incremental backups. If you do incremental backups, it’s strongly recommended that you upgrade to this release. Functionality Added or Changed Incremental backups have changed and now allow the restoration of full backups containing certain rollback transactions that previously caused problems. Please […]

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Is there benefit from having more memory ?

 | November 19, 2010 |  Posted In: Benchmarks, Insight for DBAs

My post back in April, https://www.percona.com/blog/2010/04/08/fast-ssd-or-more-memory/, caused quite interest, especially on topic SSD vs Memory. That time I used fairy small dataset, so it caused more questions, like, should we have more then 128GB of memory? If we use fast solid state drive, should we still be looking to increase memory, or that configuration provides […]

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Avoiding Fragmentation with Fractal Trees

 | November 17, 2010 |  Posted In: Tokutek, TokuView

Summary B-trees suffer from fragmentation. Fragmentation causes headaches — in query performance and space used. Solutions, like dump and reload or OPTIMIZE TABLE are a pain and not always effective. Fractal trees don’t fragment. So if fragmentation is a problem, check out Tokutek What is fragmentation? What do I mean when I say “fragmentation”? People […]

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Percona white paper: Forecasting MySQL Scalability

 | November 16, 2010 |  Posted In: Events and Announcements, MySQL

Ewen and I have just published Percona’s latest white paper, Forecasting MySQL Scalability with the Universal Scalability Law. This is essentially a streamlined walk-through of Dr. Neil J. Gunther’s book Guerrilla Capacity Planning, with examples to show how you can apply it to MySQL servers. One thing alluded to in the paper is extracting the […]

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Percona is looking for a Support Engineer

 | November 16, 2010 |  Posted In: Events and Announcements

As part of our growth process and with the introduction of our Support and Maintenance services, we’re looking for a new Support Engineer.

You would be a part of a unit that operates 24×7 and be the first line of contact for our customers.

Responsibilities include handling or dispatching emergencies and support requests, triaging incoming issues, and ensuring customers always get the attention they need.

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Percona’s widely read Percona Data Performance blog highlights our expertise in enterprise-class software, support, consulting and managed services solutions for both MySQL® and MongoDB® across traditional and cloud-based platforms. The decades of experience represented by our consultants is found daily in numerous and relevant blog posts.

Besides specific database help, the blog also provides notices on upcoming events and webinars.
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