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Jonathan Ellis commented on CASSANDRA-7071:
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We evaluated attempting this with mincore but it didn't work very well. Did
you have a better suggestion?
> Buffer cache metrics in OpsCenter
> ---------------------------------
>
> Key: CASSANDRA-7071
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7071
> Project: Cassandra
> Issue Type: Improvement
> Components: Tools
> Reporter: Jay Patel
> Fix For: 3.0
>
>
> It's currently very difficult to understand how the buffer cache is being
> used by Cassandra. Unlike the key and row cache, for which there are hit rate
> metrics pulled by the datastax agent and visible in opscenter, there are no
> such metrics around the buffer cache. This would be immensely useful in a
> production environment.
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