0039_unique_series_references migration needs optimization

Daniel Axtens dja at axtens.net
Wed Oct 14 11:06:26 AEDT 2020


Hi Konstantin,

> Would adding an index across (id, project_id, msgid) make this query 
> faster to run?

Thanks for the report, and once again our apologies that we don't have
good test setups for large data sets.

I think jk reported a slow migration as well but I think it might have
been a different one? We should fix both for stable/2.2.

Stephen, did we squash all of these for 3.0 or should we fix them on
master also?

Kind regards,
Daniel

>
> -K
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