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XtraDB feature: save / restore buffer pool

 | January 20, 2010 |  Posted In: MySQL, Percona Software

We recently released XtraDB-9, and while we did not highlight it in announcement, the release-making feature is ability to save and restore InnoDB buffer pool. The idea is not new and was originally developed by Jeremy Cole (sorry, I do not have the link on hands) some time ago, and now we implemented it in […]

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Fast storage: 8 SSD Intel X-25M 80GB benchmarks

 | January 18, 2010 |  Posted In: Benchmarks, MySQL

I appreciate opportunity Jos van Dongen from Tholis Consulting gave me. He granted me access to servers with 8 attached Intel X-25M 80GB MLC cards. The cards attached to 2 Adaptec 5805 raid controllers, with 4 cards per controller. The cost of setup is 8 x 260$ (X-25M) + 2×500$ (Adaptec 5805) = ~3000$. Available […]

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2010 Percona Training Schedule

 | January 14, 2010 |  Posted In: Events and Announcements, MySQL

After a nice long vacation, it’s time to unveil our destinations for public classes in 2010.  We are now offering a course for Developers as well as DBAs.  The dates are: Seattle 16 February San Francisco 18-19 February Boston 22-23 February New York City 25-26 February Montréal 8-9 March Denver 15-16 March Chicago 18-19 March […]

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XtraDB storage engine release 1.0.6-9

 | January 13, 2010 |  Posted In: MySQL, Percona Software

Dear Community, As of today Release 9 of XtraDB storage engine is available. The release includes following new features: The release is base on 1.0.6 version of InnoDB plugin. MySQL 5.1.42 as a base release Separate purge thread and LRU dump is implemented (this feature was actually added in Release 8, but somehow it was […]

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InnoDB, InnoDB-plugin vs XtraDB on fast storage

 | January 13, 2010 |  Posted In: Benchmarks, MySQL

To continue fun with FusionIO cards, I wanted to check how MySQL / InnoDB performs here. For benchmark I took MySQL 5.1.42 with built-in InnoDB, InnoDB-plugin 1.0.6, and XtraDB 1.0.6-9 ( InnoDB with Percona patches). As benchmark engine I used tpcc-mysql with 1000 warehouses ( which gives around 90GB of data + indexes) on my […]

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FusionIO 320GB MLC benchmarks

 | January 11, 2010 |  Posted In: Benchmarks, MySQL

After my previous benchmarks of FusionIO 160GB SLC card, FusionIO team sent me for the tests another card, FusionIO 320GB MLC. I should say I really appreciate an opportunity to play with this card and with combination of two cards. This card is also not cheap, the price I can find on dell.com is $6,829.99, […]

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Active Cache for MySQL

 | January 10, 2010 |  Posted In: Insight for Developers, MySQL

One of the problems I have with Memcache is this cache is passive, this means it only stores cached data. This means application using Memcache has to has to special logic to handle misses from the cache, being careful updating the cache – you may have multiple data modifications happening at the same time. Finally […]

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