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Percona Server 5.6.13-61.0 first GA release is now available

Percona is glad to announce the first GA (Generally Available) release of Percona Server 5.6.13-61.0 on October 7th, 2013 (Downloads are available here and from the Percona Software Repositories. Based on MySQL 5.6.13, including all the bug fixes in it, Percona Server 5.6.13-61.0 is the first GA release in the Percona Server 5.6 series. All […]

Percona Server 5.6.11-60.3 first Release Candidate now available

Percona is glad to announce the first Release Candidate release of Percona Server 5.6.11-60.3 on June 3rd, 2013 (Downloads are available here and from the Percona Software Repositories). Based on MySQL 5.6.11, including all the bug fixes in it, Percona Server 5.6.11-60.3 is the first RC release in the Percona Server 5.6 series. All of […]

Join us for our first Percona MySQL University event in Raleigh, N.C. Jan 29

At Percona we focus on education a lot, which we believe is critical for us to be successful with our mission of making businesses successful with their use of MySQL. The MySQL Performance Blog, our first effort in this space, by now contains over 1,000 technical articles. We have spoken on countless conferences and Meetups […]

First Sphinx Conference is Announced

The First ever Sphinx Users Conference is announced to take place in Moscow, Russia on October 24th, which is the Sunday before Highload.ru conference, so if you’re attending that you may just drop by to this event too. this is going to be free technically focused event, close in spirit to Percona Performance Conference, we […]

FlashCache: first experiments

I wrote about FlashCache there, and since that I run couple benchmarks, to see what performance benefits we can expect. For initial tries I took sysbench oltp tests ( read-only and read-write) and case when data fully fits into L2 cache. I made binaries for FlashCache for CentOS 5.4, kernel 2.6.18-164.15, you can download it […]

Why base64-output=DECODE-ROWS does not print row events in MySQL binary logs

Lately I saw many cases when users specified option --base64-output=DECODE-ROWS  to print out a statement representation of row events in MySQL binary logs just to get nothing. Reason for this is obvious: option --base64-output=DECODE-ROWS  does not convert row events into its string representation, this is job of option --verbose . But why users mix these […]

Multi-source replication in MySQL 5.7 vs Tungsten Replicator

MySQL 5.7 comes with a new set of features and multi-source replication is one of them. In few words this means that one slave can replicate from different masters simultaneously. During the last couple of months I’ve been playing a lot with this trying to analyze its potential in a real case that I’ve been […]

MySQL QA Episode 9: Reducing Testcases for Experts: multi-threaded reducer.sh

Welcome to MySQL QA Episode 9. This episode will go more in-depth into reducer.sh: Reducing Testcases for Experts: multi-threaded reducer.sh We will explore how to use reducer.sh to do true multi-threaded testcase reduction – a world’s first. Topics: Expert configurable variables & their default reducer.sh settings PQUERY_MULTI PQUERY_MULTI_THREADS PQUERY_MULTI_CLIENT_THREADS PQUERY_MULTI_QUERIES PQUERY_REVERSE_NOSHUFFLE_OPT Full-screen viewing @ 720p resolution […]