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@mariadb.org> committer: Sergey Vojtovich <svoj@mariadb.org> 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

Regards, Sergei Chief Architect MariaDB and security@mariadb.org