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Product to try: MySQL/MariaDB-Galera 0.8

 | June 13, 2011 |  Posted In: MySQL

I wrote about Galera about 1.5 years ago: State of the art: Galera – synchronous replication for InnoDB. It was about the 0.7 release, which was more like a proof-of-concept release (though Galera’s developers may not agree with that ) with some serious limitations (like using mysqldump for node propagation). The Galera team heard my […]

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Aligning IO on a hard disk RAID – the Theory

 | June 9, 2011 |  Posted In: MySQL

Now that flash storage is becoming more popular, IO alignment question keeps popping up more often than it used to when all we had were rotating hard disk drives. I think the reason is very simple – when systems only had one bearing hard disk drive (HDD) as in RAID1 or one disk drive at […]

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How to replace a NDB node on EC2

 | June 9, 2011 |  Posted In: MySQL

NDB cluster is a very interesting solution in term of high availability since there are no single point of failure. In an environment like EC2, where a node can disappear almost without notice, one would think that it is a good fit. It is indeed a good fit but reality is a bit trickier. The […]

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Percona Server 5.5.12-20.3 Stable Release

 | June 9, 2011 |  Posted In: MySQL

Percona is glad to announce the release of Percona Server 5.5.12-20.3 on June 9, 2011 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.5.12, Percona Server 5.5.12-20.3 is now the current stable release in the 5.5 series. Other Changes The list of authors of the plugins used have been corrected. Bug Fixes:#723050 (Y. Kinoshita) […]

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Percona Server 5.1.57-12.8 Stable Release

 | June 8, 2011 |  Posted In: MySQL, Percona Software

Released on June 8, 2011 (Downloads are available here and from the Percona Software Repositories. Percona Server 5.1.57-12.8 is now the current stable release in the 5.1 series. It is is based on MySQL 5.1.57. Bug Fixes Fixed InnoDB I/O code so that the interrupted system calls are restarted if they are interrupted by a signal. InnoDB […]

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A recovery trivia or how to recover from a lost ibdata1 file

 | June 3, 2011 |  Posted In: MySQL

A few day ago, a customer came to Percona needing to recover data. Basically, while doing a transfer from one SAN to another, something went wrong and they lost the ibdata1 file, where all the table meta-data is stored. Fortunately, they were running with innodb_file_per_table so the data itself was available. What they could provide […]

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We’ll Bring the Pie

 | June 2, 2011 |  Posted In: Tokutek, TokuView

Yesterday, Tokutek was invited (thanks to David Hughson, Vice-Consul of the British Consulate) to the Massachusetts State House for a forum on international business, hosted by Governor Deval Patrick. I felt pretty good about our Commonwealth – apparently we are the only state whose bond rating has improved since 2007. And, even though big firms […]

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