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https://issues.apache.org/jira/browse/OAK-7974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16757166#comment-16757166
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Julian Reschke commented on OAK-7974:
-------------------------------------
This test just failed for me (once, and on Windows):
{{[INFO] Running org.apache.jackrabbit.oak.plugins.document.TimingHookTest}}
{{[ERROR] Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 0.009
s <<< FAILURE! - in org.apache.jackrabbit.oak.plugins.document.TimingHookTest}}
{{[ERROR] commitTime(org.apache.jackrabbit.oak.plugins.document.TimingHookTest)
Time elapsed: 0.009 s <<< FAILURE!}}
{{java.lang.AssertionError:}}
{{Expected: a value equal to or greater than <10L>}}
{{ but: <9L> was less than <10L>}}
{{ at
org.apache.jackrabbit.oak.plugins.document.TimingHookTest.commitTime(TimingHookTest.java:42)}}
Will keep an eye on it.
> Detailed merge metrics
> ----------------------
>
> Key: OAK-7974
> URL: https://issues.apache.org/jira/browse/OAK-7974
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: documentmk
> Reporter: Marcel Reutegger
> Assignee: Marcel Reutegger
> Priority: Major
> Fix For: 1.12, 1.11.0
>
>
> The DocumentNodeStore currently only exposes basis metrics for the merge
> operation. To further analyze where time is spent, more detailed merge
> metrics must be introduced. This includes:
> - Creating a new commit revision timer
> - Background lock acquisition timer
> - Wait until head timer
> - Commit suspend timer
> - Commit hook timer
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