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Posted to commits@cassandra.apache.org by Apache Wiki <wi...@apache.org> on 2012/03/07 08:04:41 UTC
[Cassandra Wiki] Trivial Update of "Operations" by MakiWatanabe
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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: