** Changed in: mahara
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1479543
Title:
Upgrading from 1.9 to 15.04 in mysql can timeout on big sites
Status in Mahara:
Fix Released
Status in Mahara 1.10 series:
Fix Released
Status in Mahara 15.04 series:
Fix Released
Status in Mahara 15.10 series:
Fix Released
Bug description:
If there are lots of artefact and elasticsearch is running then the
adding of the 'path' column and updating all the artefacts to have new
path value can cause very long upgrade, or even upgrade timing
out/locking up the database.
The problem is that there is a trigger on the artefact table - but as
the path value is not stored by elasticsearch we don't need to get
elasticsearch to reindex all the artefact rows.
So we will drop the trigger for this bit and re-add the trigger after
the artefact table has add it's path column added.
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