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https://issues.apache.org/jira/browse/CAY-1782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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John Huss closed CAY-1782.
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Resolution: Fixed
Fix Version/s: (was: 3.2.M2)
3.2M1
> Deadlock when performing many concurrent inserts
> ------------------------------------------------
>
> Key: CAY-1782
> URL: https://issues.apache.org/jira/browse/CAY-1782
> Project: Cayenne
> Issue Type: Bug
> Components: Core Library
> Affects Versions: 3.0, 3.1 (final), 3.2M1
> Reporter: John Huss
> Assignee: John Huss
> Fix For: 3.2M1
>
>
> I've encountered a deadlock issue in production in an app performing many
> INSERTs. The deadlock was between the PK generator and the PoolManager
> (getting a DB connection). It is very bad. I added a unit test
> demonstrating the problem and a fix for it.
> The fix is possibly not ideal because it requires a larger data structure for
> holding the cached primary keys, but it is far better than the previous
> behavior.
> If this fix is acceptable this should be back-ported to 3.1 as well.
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