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Chris Lohfink commented on CASSANDRA-7273: ------------------------------------------ I moved the GCF metrics into bean provided in description and made the keyspace metrics register/cleanup in similar way. There is a few provided by GCF that isnt listed in keyspace but they are mostly the ones that (like yuki mentioned) would have less meaning like bloom filter false positive ratio so I think its ok to go without them. > expose global ColumnFamily metrics > ---------------------------------- > > Key: CASSANDRA-7273 > URL: https://issues.apache.org/jira/browse/CASSANDRA-7273 > Project: Cassandra > Issue Type: New Feature > Reporter: Richard Wagner > Assignee: Brandon Williams > Priority: Minor > Labels: lhf > Fix For: 1.2.17 > > Attachments: 7273-2_1_branch-v1.txt, 7273-2_1_branch-v2.txt > > > It would be very useful to have cassandra expose ColumnFamily metrics that > span all column families. A general purpose cassandra monitoring system built > up around the current ColumnFamily metrics really only has a couple of > choices right now: publish metrics for all column families or fetch metrics > for all column families, aggregate them and then publish the aggregated > metrics. The first can be quite expensive for the downstream monitoring > system and the second is a piece of work that it seems is better pushed into > cassandra itself. > Perhaps these global ColumnFamily metrics could be published under a name of: > org.apache.cassandra.metrics:type=(ColumnFamily|IndexColumnFamily),name=(Metric > name) > (Same as existing ColumnFamily metrics, but with no keyspace or scope.) -- This message was sent by Atlassian JIRA (v6.2#6252)