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Posted to oak-issues@jackrabbit.apache.org by "Marcel Reutegger (JIRA)" <ji...@apache.org> on 2015/04/29 09:55:05 UTC

[jira] [Created] (OAK-2822) Release merge lock in retry loop

Marcel Reutegger created OAK-2822:
-------------------------------------

             Summary: Release merge lock in retry loop
                 Key: OAK-2822
                 URL: https://issues.apache.org/jira/browse/OAK-2822
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: core, mongomk
            Reporter: Marcel Reutegger
            Assignee: Marcel Reutegger
             Fix For: 1.3.0


The DocumentNodeStoreBranch retries merges in two phases. First it retries merges while holding the merge lock non-exclusive and performing sleeps between attempts. If those retries fail the next phase will acquire the merge lock exclusively and perform retries. In the first phase the merge lock is released when the commit goes to sleep, while in the second it is not and may block other commits while sleeping.

DocumentNodeStoreBranch should be changed to release the exclusive lock when the commit goes to sleep.



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