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New OLAP Wikistat benchmark: Introduction and call for feedbacks

 | January 28, 2010 |  Posted In: Benchmarks, MySQL

I’ve seen my posts on Ontime Air traffic and Star Schema Benchmark got a lot of interest (links: https://www.percona.com/blog/2010/01/07/star-schema-bechmark-infobright-infinidb-and-luciddb/ https://www.percona.com/blog/2009/10/02/analyzing-air-traffic-performance-with-infobright-and-monetdb/ https://www.percona.com/blog/2009/10/26/air-traffic-queries-in-luciddb/ https://www.percona.com/blog/2009/11/02/air-traffic-queries-in-infinidb-early-alpha/ ). However benchmarks by itself did not cover all cases I would want, so I was thinking about better scenario. The biggest problem is to get real big enough dataset, and I thank […]

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Percona is hiring a Shift Support Captain

 | January 26, 2010 |  Posted In: Events and Announcements

Percona is hiring. As part of our growth process, we introduced the role of the Shift Support Captain in 2009 (see the original announcement here) to provide customers with a 24×7 technical contact person. The Shift Support Team dispatches incoming emergencies, assigns new issues, handles or escalates incoming Nagios alerts from some customers, and in […]

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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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Why Swapping is bad for MySQL Performance ?

 | January 18, 2010 |  Posted In: Insight for DBAs, MySQL

So you get MySQL or other applications using too much memory on the box or OS behaving funny and using more memory for cache and pushing application to the swap. This causes swapping and causes performance problems. This much is obvious. But how bad is it ? Should you count it same as normal Disk […]

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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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