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https://issues.apache.org/jira/browse/CASSANDRA-12649?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15623715#comment-15623715
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Kurt Greaves commented on CASSANDRA-12649:
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So rebased the patch on 3.X and one of the added unit tests actually exposed a
bug that was just introduced in CASSANDRA-12060. Attached new, rebased patch
here, however doubtful it's going to make it into 3.10.
Also raised CASSANDRA-12867 to cover the bug.
> Add BATCH metrics
> -----------------
>
> Key: CASSANDRA-12649
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12649
> Project: Cassandra
> Issue Type: Wish
> Reporter: Alwyn Davis
> Priority: Minor
> Fix For: 3.x
>
> Attachments: trunk-12649.txt
>
>
> To identify causes of load on a cluster, it would be useful to have some
> additional metrics:
> * *Mutation size distribution:* I believe this would be relevant when
> tracking the performance of unlogged batches.
> * *Logged / Unlogged Partitions per batch distribution:* This would also give
> a count of batch types processed. Multiple distinct tables in batch would
> just be considered as separate partitions.
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