Prevent db locking when multiple queries from quay are accessing same tables (PROJQUAY-8758) #198
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This PR sets
PRAGMA journal_mode=WAL
to the quay's sqlite file to improve speed and reduce lock contention in multi-access scenarios.Testing:
Ran
oc mirror
, during mirroring delete the repo being mirrored. Repository GC worker tries to clean up the repo while the mirroring is also writing to the repo. Since both processes are in contention to write to the same table, sqlite throws database is locked. This error is not seen in after setting the database to WAL