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Posted to commits@cassandra.apache.org by "Jeremiah Jordan (JIRA)" <ji...@apache.org> on 2014/08/14 18:24:11 UTC
[jira] [Commented] (CASSANDRA-7767) Expose sizes of off-heap data
structures via JMX and `nodetool info`
[ https://issues.apache.org/jira/browse/CASSANDRA-7767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14097166#comment-14097166 ]
Jeremiah Jordan commented on CASSANDRA-7767:
--------------------------------------------
A total size could go in info. The individual sizes should go in cfstats since they are per cf, bloom filter size is already in there.
> Expose sizes of off-heap data structures via JMX and `nodetool info`
> --------------------------------------------------------------------
>
> Key: CASSANDRA-7767
> URL: https://issues.apache.org/jira/browse/CASSANDRA-7767
> Project: Cassandra
> Issue Type: New Feature
> Reporter: J.B. Langston
>
> It would be very helpful for troubleshooting memory consumption to know the individual sizes of off-heap data structures such as bloom filters, index summaries, compression metadata, etc. Can we expose this over JMX? Also, since `nodetool info` already shows size of heap, key cache, etc. it seems like a natural place to show this.
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