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From Ted Yu <yuzhih...@gmail.com>
Subject Re: WARN messages clarifications
Date Wed, 01 Oct 2014 15:03:14 GMT
I searched 0.94 and 0.98 code base but didn't find the message below.

Which version of HBase are you using ?

Cheers

On Wed, Oct 1, 2014 at 7:58 AM, Jinal Shah <jinalshah2007@gmail.com> wrote:

> Hi everyone
>
> We are seeing these WARN log messages from this class
> com.cerner.hbase.extensions.OutlierHTableInterceptorFactory$OutlierHTable.
> It normally happens when the query takes a long time to execute and
> displays the duration as well like this
>
> Duration Threshold exceeded: [durationThreshold=1000]
> Actuals: [actualBatchSize=1: actualPayloadSize=0: actualDuration=3929]
>
> The scenarios I found for the delay are
>
>
>    - Network issues taking time for delays
>    - Trying to establish a connection for the first time
>    - Some component failures occurred like Zookeeper node when down or
>    Master failed over.
>
>
> So can someone give say what other possible scenarios for delays in
> executing a query.
>
> Thanks
> Jinal
>

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