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Kurt Greaves commented on CASSANDRA-12649: ------------------------------------------ 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)