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https://issues.apache.org/jira/browse/OAK-7259?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16365603#comment-16365603
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Andrei Dulceanu commented on OAK-7259:
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At [0], there's a first implementation of the ideas discussed in the
description. [~frm], could you take a look at it and share your feedback?
/cc [~mduerig]
[0] https://github.com/dulceanu/jackrabbit-oak/tree/issues/OAK-7259
> 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
> Priority: Major
> Labels: tooling
> 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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