Emergency

Monthly Archives: June 2011

Maximum Scalability

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Product to try: MySQL/MariaDB-Galera 0.8

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 …

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Aligning IO on a hard disk RAID – the Theory

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 …

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Aligning IO on a hard disk RAID – the Benchmarks

In the first part of this article I have showed how I align IO, now I want to share results of the benchmark that I have been running to see how much benefit can we …

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How to replace a NDB node on EC2

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 …

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Percona Server 5.5.12-20.3 Stable Release

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 …

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Percona Live – New York presentation slides now available

After the success of Percona Live in New York, we have published in our website the presentation slides of talks from the leading experts in MySQL. Check it out.

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Percona Server 5.1.57-12.8 Stable Release

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 …

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

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 …

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We’ll Bring the Pie

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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 …

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