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From aaron morton <aa...@thelastpickle.com>
Subject Re: is it my cassandra cluster ok?
Date Thu, 26 Aug 2010 10:21:54 GMT
Token selection and moving nodes is described here 
http://wiki.apache.org/cassandra/Operations

Aaron

On 26 Aug 2010, at 14:29, john xie wrote:

> load balancing?  is it  means add more nodes?
> 
> 
> 
> 2010/8/26 Ryan King <ryan@twitter.com>
> Looks like you need to do some load balancing.
> 
> -ryan
> 
> On Wed, Aug 25, 2010 at 12:33 AM, john xie <shanfenggood@gmail.com> wrote:
> > /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.100 ring
> > Address       Status     Load          Range
> >      Ring
> >
> > 162027259805094200094770502377853667196
> > 192.168.123.101Up         183.43 GB
> > 26404162423947656621914545677405489813     |<--|
> > 192.168.123.5 Up         196.18 GB
> > 97646479029625162367516203572215570207     |   |
> > 192.168.123.100Up         302.86 GB
> > 150826772797302282411816801037163789836    |   |
> > 192.168.123.102Up         235.83 GB
> > 162027259805094200094770502377853667196    |-->|
> >
> >
> > /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.5 tpstats
> > Pool Name                    Active   Pending      Completed
> > FILEUTILS-DELETE-POOL             0         0            610
> > STREAM-STAGE                      0         0              0
> > RESPONSE-STAGE                    0         0       18879316
> > ROW-READ-STAGE                    0         0              0
> > LB-OPERATIONS                     0         0              0
> > MESSAGE-DESERIALIZER-POOL         0         0       86925654
> > GMFD                              0         0         168769
> > LB-TARGET                         0         0              0
> > CONSISTENCY-MANAGER               0         0              0
> > ROW-MUTATION-STAGE                0         0       66657550
> > MESSAGE-STREAMING-POOL            0         0              0
> > LOAD-BALANCER-STAGE               0         0              0
> > FLUSH-SORTER-POOL                 0         0              0
> > MEMTABLE-POST-FLUSHER             0         0           1125
> > FLUSH-WRITER-POOL                 0         0           1125
> > AE-SERVICE-STAGE                  0         0              0
> > HINTED-HANDOFF-POOL               1         4              0
> >  /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.5 info
> > 97646479029625162367516203572215570207
> > Load             : 196.01 GB
> > Generation No    : 1282656715
> > Uptime (seconds) : 64437
> > Heap Memory (MB) : 2245.43 / 5111.69
> >
> > /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.100 tpstats
> > Pool Name                    Active   Pending      Completed
> > FILEUTILS-DELETE-POOL             0         0            950
> > STREAM-STAGE                      0         0              0
> > RESPONSE-STAGE                    0         0       88290400
> > ROW-READ-STAGE                    0         0              0
> > LB-OPERATIONS                     0         0              0
> > MESSAGE-DESERIALIZER-POOL         0         0      149317269
> > GMFD                              0         0         187571
> > LB-TARGET                         0         0              0
> > CONSISTENCY-MANAGER               0         0              0
> > ROW-MUTATION-STAGE                0         0      104055920
> > MESSAGE-STREAMING-POOL            0         0              0
> > LOAD-BALANCER-STAGE               0         0              0
> > FLUSH-SORTER-POOL                 0         0              0
> > MEMTABLE-POST-FLUSHER             0         0           1749
> > FLUSH-WRITER-POOL                 0         0           1749
> > AE-SERVICE-STAGE                  0         0              0
> > HINTED-HANDOFF-POOL               1         4             17
> >  /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.100 info
> > 150826772797302282411816801037163789836
> > Load             : 302.79 GB
> > Generation No    : 1282656138
> > Uptime (seconds) : 65439
> > Heap Memory (MB) : 1854.20 / 6135.69
> > /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.101 tpstats
> > Pool Name                    Active   Pending      Completed
> > FILEUTILS-DELETE-POOL             0         0            594
> > STREAM-STAGE                      0         0              0
> > RESPONSE-STAGE                    0         0      120024993
> > ROW-READ-STAGE                    0         0              0
> > LB-OPERATIONS                     0         0              0
> > MESSAGE-DESERIALIZER-POOL         0         0      154158111
> > GMFD                              0         0         193471
> > LB-TARGET                         0         0              0
> > CONSISTENCY-MANAGER               0         0              0
> > ROW-MUTATION-STAGE                0         0       64174075
> > MESSAGE-STREAMING-POOL            0         0              0
> > LOAD-BALANCER-STAGE               0         0              0
> > FLUSH-SORTER-POOL                 0         0              0
> > MEMTABLE-POST-FLUSHER             0         0           1091
> > FLUSH-WRITER-POOL                 0         0           1091
> > AE-SERVICE-STAGE                  0         0              0
> > HINTED-HANDOFF-POOL               1         3             18
> >  /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.101 info
> > 26404162423947656621914545677405489813
> > Load             : 183.43 GB
> > Generation No    : 1282655724
> > Uptime (seconds) : 65784
> > Heap Memory (MB) : 1406.52 / 6135.69
> >
> >
> > /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.102 tpstats
> > Pool Name                    Active   Pending      Completed
> > FILEUTILS-DELETE-POOL             0         0            776
> > STREAM-STAGE                      0         0              0
> > RESPONSE-STAGE                    0         0       11252520
> > ROW-READ-STAGE                    0         0              0
> > LB-OPERATIONS                     0         0              0
> > MESSAGE-DESERIALIZER-POOL         0         0       93592514
> > GMFD                              0         0         179135
> > LB-TARGET                         0         0              0
> > CONSISTENCY-MANAGER               0         0              0
> > ROW-MUTATION-STAGE                0         0       84535486
> > MESSAGE-STREAMING-POOL            0         0              0
> > LOAD-BALANCER-STAGE               0         0              0
> > FLUSH-SORTER-POOL                 0         0              0
> > MEMTABLE-POST-FLUSHER             1         1           1417
> > FLUSH-WRITER-POOL                 1         1           1417
> > AE-SERVICE-STAGE                  0         0              0
> > HINTED-HANDOFF-POOL               1         4             25
> >  /opt/apache-cassandra-0.6.4/bin/nodetool --host 192.168.123.102 info
> > 162027259805094200094770502377853667196
> > Load             : 235.98 GB
> > Generation No    : 1282657244
> > Uptime (seconds) : 64476
> > Heap Memory (MB) : 2692.42 / 6135.69
> >
> > --
> >
> >
> 
> 
> 
> -- 
> 谢善峰    johnxie
> 联系方式:
> MSN:johnxiegood@hotmail.com
> GTALK: shanfenggood@gmail.com
> E_mail:johnxie@topgene.net
> ------------------------------------------
> 智信环宇  Internet Service On_Demand


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