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https://issues.apache.org/jira/browse/CASSANDRA-12367?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15437495#comment-15437495
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Tyler Hobbs commented on CASSANDRA-12367:
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bq. As per NGCC talk of Patrick..we are opening up CQL to query C* metrics.
The discussion at NGCC was about exposing virtual tables that contain metrics,
not necessarily modifying the query language to support metrics directly.
bq. Also if we expose it with JMX...how will apps make the call for which this
is useful. They need to know which replica the key maps to and then call the
JMX. Also we dont want to expose JMX auth to clients to call at will. So I dont
see any other way besides CQL to expose this to clients.
The drivers have tools for determining the replicas for a partition key. As
for exposing JMX to clients, you could use something like mx4j or jolokia in
front of Cassandra instead to present a limited interface.
> Add an API to request the size of a CQL partition
> -------------------------------------------------
>
> Key: CASSANDRA-12367
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12367
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Geoffrey Yu
> Assignee: Geoffrey Yu
> Priority: Minor
> Fix For: 3.x
>
> Attachments: 12367-trunk.txt
>
>
> It would be useful to have an API that we could use to get the total
> serialized size of a CQL partition, scoped by keyspace and table, on disk.
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