[keycloak-user] COMPOSITE_ROLE table duplicate rows issue

[Haim Vana]

Hi,

We found an issue with the COMPOSITE_ROLE DB table, the issue might have occurred when creating multiple realms in parallel.

We noticed that create realm API fails on timeout and DB showed locks on table COMPOSITE_ROLE.
Further investigation revealed that the COMPOSITE_ROLE table contains a lot of duplicate rows, instead of about 4000 rows there were over a million rows.
Deleting the duplicate rows solved the issue.

Any idea what might have caused the duplicated rows ? or how to prevent it ?

Also we have about 4000 rows in the COMPOSITE_ROLE row, does it make sense for about 160 realms ? (maybe we need to do some cleanup)


Thanks,
Haim.
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