Out of interest, what happens if you’ve added some custom indexes to your 
slurmdbd?  I’ve had slow query log running on ours, and added some custom 
indexes for certain cases, which has made sacct quite a lot faster for certain 
queries, but I worry about whether I’ve created a land-mine for future upgrades 
which include schema changes…. I can always delete the indexes as part of my 
SOP of course, and re-create them afterwards

Tim

From: Christopher Samuel via slurm-users <[email protected]>
Date: Monday, 9 February 2026 at 22:07
To: [email protected] <[email protected]>
Subject: [slurm-users] Re: Can I update when jobs are running?
On 2/9/26 4:47 pm, Ron Gould via slurm-users wrote:

> My DB size wasn't big enough to warrant starting `slurmdbd` manually versus 
> letting systemd start it. Still, it's good to keep that in place for 
> insurance.

That's only an issue when doing a major Slurm upgrade from (eg) 23.11 to
24.05 or 24.11.

For a minor upgrade like you're doing you should be able to mix and
match versions (though of course it's best to minimise it).

All the best,
Chris

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