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https://issues.apache.org/jira/browse/PHOENIX-6052?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17654652#comment-17654652
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ASF GitHub Bot commented on PHOENIX-6052:
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tkhurana commented on PR #1546:
URL: https://github.com/apache/phoenix/pull/1546#issuecomment-1371460766
@mnpoonia You have changed the scope of this metric. Let us say you are
batching 1000 upserts. Phoenix internally in the `sendMutations` function
groups them into sub batches of by default 100 and then calls `htable.batch()`
on that sub batch. Earlier the metric was capturing the time taken by each
individual sub-batch. Now the metric is capturing the time across all
sub-batches. I am not sure if this is intended.
> GLOBAL_MUTATION_COMMIT_TIME metric doesn't include the time spent in syscat
> rpc's
> ---------------------------------------------------------------------------------
>
> Key: PHOENIX-6052
> URL: https://issues.apache.org/jira/browse/PHOENIX-6052
> Project: Phoenix
> Issue Type: Bug
> Components: core
> Affects Versions: 4.14.3
> Reporter: Rushabh Shah
> Assignee: Aman Poonia
> Priority: Major
>
> Currently we measure the metric GLOBAL_MUTATION_COMMIT_TIME as the time spent
> just in htable.batch rpc for base and index tables.
> https://github.com/apache/phoenix/blob/master/phoenix-core/src/main/java/org/apache/phoenix/execute/MutationState.java#L1029-L1136
> We don't measure the time spent in
> MutationState#validateAndGetServerTimestamp which makes rpc to SYSTEM.CATALOG
> table and which is a part of commit phase.
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