Tag - Patches

Security fixes for MySQL 4.0 and 4.1

In Percona Server security fix releases I mentioned patches for MySQL 4.0 and 4.1.
I am happy to announce that GoDaddy.com released patches for MySQL 4.0 and MySQL 4.1 under GPL license and you can get them from our Launchpad:
for 4.0: lp:~percona-dev/percona-patches/4.0.30 ( or https://launchpad.net/~percona-dev/percona-patches/4.0.30 )
for 4.1: lp:~percona-dev/percona-patches/4.1.24 ( or https://launchpad.net/~percona-dev/percona-patches/4.1.24)
Fixed bugs:

Bug#53371, CVE-2010-1848
Bug#53237, CVE-2010-1850
Bug#50974, CVE-2010-1849

If […]

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Introducing percona-patches for 5.1

Our patches for 5.0 have attracted significant interest.  You can read about SecondLife’s experience here, as well as what Flickr had to say on their blog.  The main improvements come in both performance gains and improvements to diagnostics (such as the improvements to the slow log output, and INDEX_STATISTICS).
Despite having many requests to […]

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Tuning for heavy writing workloads

For the my previous post, there was comment to suggest to test db_STRESS benchmark on XtraDB by Dimitri. And I tested and tuned for the benchmark. I will show you the tunings. It should be also tuning procedure for general heavy writing workloads.
At first, <tuning peak performance>. The next, <tuning purge operation> to stabilize […]

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Performance improvements in Percona 5.0.83 and XtraDB

There was small delay in our releases, part of this time we worked on features I mentioned before:
– Moving InnoDB tables between servers
– Improve InnoDB recovery time
and rest time we played with performance trying to align XtraDB performance with MySQL 5.4 ® and also port all performance fixes to 5.0 tree.
So […]

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Few more ideas for InnoDB features

As you see MySQL is doing great in InnoDB performance improvements, so we decided to concentrate more on additional InnoDB features, which will make difference.
Beside ideas I put before https://www.percona.com/blog/2009/03/30/my-hot-list-for-next-innodb-features/ (and one of them – moving InnoDB tables between servers are currently under development), we have few mores:
– Stick some InnoDB tables / indexes […]

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