maria-developers team mailing list archive

[Sergei Golubchik <serg@xxxxxxxxxxx>]

Hi, andrei.elkin!

On Jun 19, andrei.elkin@xxxxxxxxxx wrote:
> revision-id: 37b432c1d59e66b742f97a280cae7784d85e62ec (mariadb-10.0.35-41-g37b432c1d59)
> parent(s): d2e1ed8b936a78ceeec0e64231997d7ed18a4daf
> author: Andrei Elkin
> committer: Andrei Elkin
> timestamp: 2018-06-19 18:14:47 +0300
> message:
> 
> MDEV-15242 Poor RBR update performance with partitioned tables
> 
> Observed and described
> partitioned engine execution time difference
> between master and slave was caused by excessive invocation
> of base_engine::rnd_init which was done also for partitions
> uninvolved into Rows-event operation.
> The bug's slave slowdown therefore scales with the number of partitions.

Ok to push

> Fixed with applying an upstream patch.
> 
> References:
> ----------
> https://bugs.mysql.com/bug.php?id=73648
> Bug#25687813 REPLICATION REGRESSION WITH RBR AND PARTITIONED TABLES
> 
Regards,
Sergei
Chief Architect MariaDB
and security@xxxxxxxxxxx