Percona Software

The patches are going to Launchpad

After some discussions on the OpenSQLCamp 2008 conference we decided to move our development to Launchpad, to be in stream with other MySQL related projects.
We published our patches there https://code.launchpad.net/percona-patches, it is supposed to be main repository for the patches.
We advise to use Launchpad bug system to report bugs and also for feature requests.

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Adaptive checkpointing

Do you know that there are two limits about dirty (modified but not flushed to disk) blocks of InnoDB buffer pool? One is the limit of “amount”. The other is the limit of “age”.
— limit of “amount” —
As you know, buffer pool of InnoDB works as write-back cache of its datafiles. If the buffer […]

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