maria-developers team mailing list archive

[Axel Schwenke <axel@xxxxxxxxxxxx>]

Vladislav Vaintroub wrote:
> 
> Historical remark on this, the patch  for MDEV-3945,
> This patch  was inspired by the said Yoshi's blog entry  - he
> names holding lock during THD destructor (including freeing memory)  as one
> of contention sources, and this was easy to fix. This patch made into 5.5.29
> and I think could make big difference to prior versions (70%, or something
> in that range, I do not recall exact number I measured)

I do have numbers :)

I've just rerun the same test with MariaDB-5.5.25 (what Yoshi used) and
indeed the 5.5.29 numbers are much better.


XL