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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: