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HBase, mail # user - RPC - Queue Time when handlers are all waiting


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Re: RPC - Queue Time when handlers are all waiting
Federico Gaule 2013-12-10, 18:21
When activating DEBUG level for org.apache.hadoop.hbase.ipc.WritableRpcEngine
didin't get any line on my log. Checking WritableRpcEngine code, looks like
*org.apache.hadoop.ipc.HBaseServer.trace *should be the right one.
Here we have some lines. In case you need/want more, just tell:

2013-12-10 13:18:59,272 DEBUG org.apache.hadoop.ipc.HBaseServer.trace: Call
#148; Served: HRegionInterface#multi *queueTime=1* processingTime=6
contents=1 Put, 16 values [ min=1 max=1 avg=1 ], 16 KeyValues
2013-12-10 13:18:59,693 DEBUG org.apache.hadoop.ipc.RPCEngine: Call:
regionServerReport 2
2013-12-10 13:19:02,001 DEBUG org.apache.hadoop.ipc.HBaseServer.trace: Call
#157; Served: HRegionInterface#multi queueTime=0 processingTime=9
contents=62 values [ min=8 max=8 avg=8 ], 62 Puts, 62 KeyValues
2013-12-10 13:19:02,697 DEBUG org.apache.hadoop.ipc.RPCEngine: Call:
regionServerReport 2
2013-12-10 13:19:04,731 DEBUG org.apache.hadoop.ipc.HBaseServer.trace: Call
#372; Served: HRegionInterface#multi *queueTime=1* processingTime=5
contents=2 Puts, 9 values [ min=2 max=2 avg=2 ], 9 KeyValues
2013-12-10 13:19:05,702 DEBUG org.apache.hadoop.ipc.RPCEngine: Call:
regionServerReport 3
2013-12-10 13:19:08,675 DEBUG org.apache.hadoop.ipc.RPCEngine: Call: multi
13
2013-12-10 13:19:08,675 DEBUG org.apache.hadoop.ipc.HBaseServer.trace: Call
#85378; Served: HRegionInterface#replicateLogEntries queueTime=0
processingTime=14 contents=1 Entry
2013-12-10 13:19:08,705 DEBUG org.apache.hadoop.ipc.RPCEngine: Call:
regionServerReport 2
2013-12-10 13:19:09,335 DEBUG org.apache.hadoop.ipc.HBaseServer.trace: Call
#149; Served: HRegionInterface#multi *queueTime=1* processingTime=6
contents=2 Puts, 19 values [ min=1 max=1 avg=1 ], 19 KeyValues

Thanks!
2013/12/10 Jean-Marc Spaggiari <[EMAIL PROTECTED]>

> Can you activate debug loglevel on
> org.apache.hadoop.hbase.ipc.WritableRpcEngine and look at something looking
> like
>
> Call #xxxx; Served:xxxx#xxxx  queueTime=YYYY....
>
> We want to see what you have for YYYY.. This is what is added to your
> RpcQueueTime.
>
> Thanks,
>
> JM
>

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