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https://issues.apache.org/jira/browse/CASSANDRA-8880?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jeremy Hanna updated CASSANDRA-8880:
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Complexity: Low Hanging Fruit
> Add metrics to monitor the amount of tombstones created
> -------------------------------------------------------
>
> Key: CASSANDRA-8880
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8880
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Michaël Figuière
> Priority: Low
> Labels: lhf, metrics
> Fix For: 2.1.x
>
> Attachments: cassandra-2.1-8880.patch
>
>
> AFAIK there's currently no way to monitor the amount of tombstones created on
> a Cassandra node. CASSANDRA-6057 has made it possible for users to figure out
> how many tombstones are scanned at read time, but in write mostly workloads,
> it may not be possible to realize if some inappropriate queries are
> generating too many tombstones.
> Therefore the following additional metrics should be added:
> * {{writtenCells}}: amount of cells that have been written
> * {{writtenTombstoneCells}}: amount of tombstone cells that have been written
> Alternatively these could be exposed as a single gauge such as
> {{writtenTombstoneCellsRatio}}.
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