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MDEV-30236 set TaskMax=99% in the MariaDB systemd unit

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Originally requested to be infinity, but rolled back to 99%
to allow for a remote ssh connection or the odd needed system
job. This is up from 15% which is the effective default of
DefaultTasksMax.

Thanks Rick Pizzi for the bug report.
This commit is contained in:
Daniel Black 2023-10-21 16:51:15 +11:00
parent 6960dc74cd
commit d4be70afb4
2 changed files with 12 additions and 0 deletions
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6
support-files/mariadb.service.in
View file

@ -140,6 +140,12 @@ PrivateTmp=false
TimeoutStartSec=900
TimeoutStopSec=900
# Set the maximium number of tasks (threads) to 99% of what the system can
# handle as set by the kernel, reserve the 1% for a remote ssh connection,
# some monitoring, or that backup cron job. Without the directive this would
# be 15% (see DefaultTasksMax in systemd man pages).
TasksMax=99%
##
## Options previously available to be set via [mysqld_safe]
## that now needs to be set by systemd config files as mysqld_safe

6
support-files/mariadb@.service.in
View file

@ -252,6 +252,12 @@ PrivateTmp=false
TimeoutStartSec=900
TimeoutStopSec=900
# Set the maximium number of tasks (threads) to 99% of what the system can
# handle as set by the kernel, reserve the 1% for a remote ssh connection,
# some monitoring, or that backup cron job. Without the directive this would
# be 15% (see DefaultTasksMax in systemd man pages).
TasksMax=99%
# Controlling how multiple instances are separated. See top of this file.
# Note: This service isn't User=mysql by default so we need to be explicit.
# It is as an option here as a user may want to use the MYSQLD_MULTI_INSTANCE