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From Federico Gaule <fga...@despegar.com>
Subject RPC - Queue Time when handlers are all waiting
Date Thu, 05 Dec 2013 12:49:59 GMT
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

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