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Re: 6f14489ad31: Adieu find_sys_var_ex()


Hi, Sergey!

ok to push

On Mar 25, Sergey Vojtovich wrote:
> revision-id: 6f14489ad31 (mariadb-10.3.12-96-g6f14489ad31)
> parent(s): 48af6851da2
> author: Sergey Vojtovich <svoj@xxxxxxxxxxx>
> committer: Sergey Vojtovich <svoj@xxxxxxxxxxx>
> timestamp: 2019-03-21 01:32:04 +0400
> message:
> Adieu find_sys_var_ex()
> Only take LOCK_plugin for plugin system variables.
> Reverted optimisation that was originally done for session tracker: it
> makes much less sense now. Specifically only if connections would want to
> track plugin session variables changes and these changes would actually
> happen frequently. If this ever becomes an issue, there're much better
> ways to optimise this workload.
> Part of MDEV-14984 - regression in connect performance
Chief Architect MariaDB
and security@xxxxxxxxxxx