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Benjamin Lerer commented on CASSANDRA-7767: ------------------------------------------- For 2.0 the component stored off heap are: * Bloom filter * Compression offsets map * Partition summary In 2.1 part of the Memtables can be moved off heaps via the memtable_allocation_type option. The 2 possibilities are: offheap_buffer and offheap_objects > 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 > Assignee: Benjamin Lerer > Fix For: 2.0.12 > > > 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. -- This message was sent by Atlassian JIRA (v6.3.4#6332)