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The "Operations" page has been changed by MakiWatanabe: http://wiki.apache.org/cassandra/Operations?action=diff&rev1=100&rev2=101 Comment: Update tpstats output to 1.0.x format Running `nodetool tpstats` will dump all of those threads to console if you don't want to use jconsole. Example: {{{ - Pool Name Active Pending Completed + Pool Name Active Pending Completed Blocked All time blocked - FILEUTILS-DELETE-POOL 0 0 119 - MESSAGING-SERVICE-POOL 3 4 81594002 - STREAM-STAGE 0 0 3 - RESPONSE-STAGE 0 0 48353537 - ROW-READ-STAGE 0 0 13754 - LB-OPERATIONS 0 0 0 - COMMITLOG 1 0 78080398 - GMFD 0 0 1091592 - MESSAGE-DESERIALIZER-POOL 0 0 126022919 - LB-TARGET 0 0 0 - CONSISTENCY-MANAGER 0 0 2899 - ROW-MUTATION-STAGE 1 2 81719765 - MESSAGE-STREAMING-POOL 0 0 129 - LOAD-BALANCER-STAGE 0 0 0 - FLUSH-SORTER-POOL 0 0 218 - MEMTABLE-POST-FLUSHER 0 0 218 - COMPACTION-POOL 0 0 464 - FLUSH-WRITER-POOL 0 0 218 - HINTED-HANDOFF-POOL 0 0 154 + ReadStage 0 0 0 0 0 + RequestResponseStage 0 0 0 0 0 + MutationStage 0 0 12024 0 0 + ReadRepairStage 0 0 0 0 0 + ReplicateOnWriteStage 0 0 0 0 0 + GossipStage 0 0 0 0 0 + AntiEntropyStage 0 0 0 0 0 + MigrationStage 0 0 0 0 0 + MemtablePostFlusher 0 0 2 0 0 + StreamStage 0 0 0 0 0 + FlushWriter 0 0 2 0 0 + MiscStage 0 0 0 0 0 + AntiEntropySessions 0 0 2 0 0 + InternalResponseStage 0 0 0 0 0 + HintedHandoff 0 0 0 0 0 + + Message type Dropped + RANGE_SLICE 0 + READ_REPAIR 0 + BINARY 0 + READ 0 + MUTATION 0 + REQUEST_RESPONSE 0 }}} == Monitoring with MX4J == mx4j provides an HTML and HTTP interface to JMX. Starting from version 0.7.0 cassandra lets you hook up mx4j very easily. To enable mx4j on a Cassandra node:
