[slurm-users] [EXTERNAL] SlurmDBD losing connection to the backend MariaDB

Greg Wickham greg.wickham at kaust.edu.sa
Tue Nov 1 05:10:57 UTC 2022

Hi Richard,

Slurmctld caches the updates until slurmdbd comes back online.

You can see how many records are pending for the database by using the “sdiag” command and looking for “DBD Agent queue size”.

If this number grows significantly it means that slurmdbd isn’t available.


On 01/11/2022, 07:23, "slurm-users" <slurm-users-bounces at lists.schedmd.com> wrote:


Just for my info, I would like to know what happens when SlurmDBD loses
connection to the backend Database, for ex, MariaDB.

Does it cache the accounting info and keep them till the DB comes back
up ?, or does it panic and shut down ?

Thank you,


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