capture BloomFilter memory size in Cassandra (JMX)
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                 Key: CASSANDRA-3495
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3495
             Project: Cassandra
          Issue Type: New Feature
            Reporter: Jackson Chung
            Priority: Minor


Maybe this could be done in 
https://issues.apache.org/jira/browse/CASSANDRA-3347 also, but not sure what's 
the scope in that jira. It'd be great if the BF memory size can be captured in 
the JMX monitoring. 

Though not sure how you would capture the "heap size" (easily that is) of the 
object. There is a BF.serializedSize() , can this be exposed to the 
BloomFilterTracker and DataTracker... and use this instead? Anyway, will let 
the implementor to decide/design 

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