Hi Chris,

we were faced with exactly the same problem - update of 16.05.11 to 17.11.3 took more than 24 hours without finalizing the conversion of job table. Finally, we cancelled the process, went back to "old" version 16.05.11 and restored the database. At that time we had 10.5 million jobs in db with a total db size of 11 GB.

Our "solution":
* Activate purge/archive in slurmdbd.conf keeping just 1months of data. This reduced the db to 250000 jobs and 600 MB (needed roughly 2 hours for initial purge)
* Update to slurm 17.11.3 with reduced db; it took just 15 minutes!


Dr. Hendryk Bockelmann
Wissenschaftliches Rechnen
Abteilung Anwendungen

Deutsches Klimarechenzentrum GmbH (DKRZ)
Bundesstraße 45 a, D-20146 Hamburg, Germany

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