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Posted to oak-issues@jackrabbit.apache.org by "Andrei Dulceanu (JIRA)" <ji...@apache.org> on 2018/02/12 14:23:00 UTC

[jira] [Created] (OAK-7259) Improve SegmentNodeStoreStats to include number of commits per thread and threads currently waiting on the semaphore

Andrei Dulceanu created OAK-7259:
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             Summary: Improve SegmentNodeStoreStats to include number of commits per thread and threads currently waiting on the semaphore
                 Key: OAK-7259
                 URL: https://issues.apache.org/jira/browse/OAK-7259
             Project: Jackrabbit Oak
          Issue Type: Improvement
          Components: segment-tar
            Reporter: Andrei Dulceanu
            Assignee: Andrei Dulceanu
             Fix For: 1.9.0, 1.10


When investigating the performance of  {{segment-tar}}, the source of the writes (commits) is a very useful indicator of the cause.

To better understand which threads are currently writing in the repository and which are blocked on the semaphore, we need to improve {{SegmentNodeStoreStats}} to:
 * expose the number of commits executed per thread
 * expose threads currently waiting on the semaphore



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