Not much information in RS logs (DEBUG level set to org.apache.hadoop.hbase). Here is a sample of one regionserver showing increasing rpc.metrics.RpcQueueTime_num_ops and rpc.metrics.RpcQueueTime_avg_time activity:
2013-12-09 08:09:10,699 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache: Stats: total=23.14 MB, free=2.73 GB, max=2.75 GB, blocks=0, accesses=122442151, hits=122168501, hitRatio=99.77%, , cachingAccesses=122192927, cachingHits=122162378, cachingHitsRatio=99.97%, , evictions=0, evicted=6768, evictedPerRun=Infinity 2013-12-09 08:09:11,396 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 1 2013-12-09 08:09:14,979 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 2 2013-12-09 08:09:16,016 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 1 ... 2013-12-09 08:14:07,659 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 1 2013-12-09 08:14:08,713 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 3 2013-12-09 08:14:10,699 DEBUG org.apache.hadoop.hbase.io.hfile.LruBlockCache: Stats: total=23.14 MB, free=2.73 GB, max=2.75 GB, blocks=0, accesses=122442151, hits=122168501, hitRatio=99.77%, , cachingAccesses=122192927, cachingHits=122162378, cachingHitsRatio=99.97%, , evictions=0, evicted=6768, evictedPerRun=Infinity 2013-12-09 08:14:12,711 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 1 2013-12-09 08:14:14,778 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 3 ... 2013-12-09 08:15:09,199 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 3 2013-12-09 08:15:12,243 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 2 2013-12-09 08:15:22,086 INFO org.apache.hadoop.hbase.replication.regionserver.ReplicationSink: Total replicated: 2 Thanks 2013/12/7 Bharath Vissapragada <[email protected]> > I'd look into the RS logs to see whats happening there. Difficult to guess > from the given information! > > > On Sat, Dec 7, 2013 at 8:52 PM, Federico Gaule <[email protected]> > wrote: > > > Any clue? > > El dic 5, 2013 9:49 a.m., "Federico Gaule" <[email protected]> > escribió: > > > > > Hi, > > > > > > I have 2 clusters, Master (a) - Slave (b) replication. > > > B doesn't have client write or reads, all handlers (100) are waiting > but > > > rpc.metrics.RpcQueueTime_num_ops and rpc.metrics.RpcQueueTime_avg_time > > reports > > > to be rpc calls to be queued. > > > There are some screenshots below to show ganglia metrics. How is this > > > behaviour explained? I have looked for metrics specifications but can't > > > find much information. > > > > > > Handlers > > > http://i42.tinypic.com/242ssoz.png > > > > > > NumOps > > > http://tinypic.com/r/of2c8k/5 > > > > > > AvgTime > > > http://tinypic.com/r/2lsvg5w/5 > > > > > > Cheers > > > > > > > > > -- > Bharath Vissapragada > <http://www.cloudera.com> > -- [image: http://www.despegar.com/galeria/images/promos/isodespegar1.png] *Ing. Federico Gaule* Líder Técnico - PAM <[email protected]> Av. Corrientes 746 - Piso 9 - C.A.B.A. (C1043AAU) tel. +54 (11) 4894-3500 *[image: Seguinos en Twitter!] <http://twitter.com/#!/despegarar> [image: Seguinos en Facebook!] <http://www.facebook.com/despegar> [image: Seguinos en YouTube!] <http://www.youtube.com/Despegar>* *Despegar.com, Inc. * El mejor precio para tu viaje. Este mensaje es confidencial y puede contener información amparada por el secreto profesional. Si usted ha recibido este e-mail por error, por favor comunÃquenoslo inmediatamente respondiendo a este e-mail y luego eliminándolo de su sistema. El contenido de este mensaje no deberá ser copiado ni divulgado a ninguna persona.
