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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
Nope, since i've increase replication handlers from its default, it's
reporting with a ceiling of 1, before that a few days ago reported 15.
Why are RPC  queued in spite of having all handlers WAITING?
2013/12/10 Andrew Purtell <[EMAIL PROTECTED]>

> Aside from other issues being explored on this thread, "REPL IPC Server
> handler N on PORT WAITING Waiting for a call (since 22 hrs, 57mins, 38sec
> ago)" looks to me like ReplicationSource setting up IPC with INT_MAX for a
> timeout.
>
>
> On Thu, Dec 5, 2013 at 8:49 PM, Federico Gaule <[EMAIL PROTECTED]>
> wrote:
>
> > 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
> >
>
>
>
> --
> Best regards,
>
>    - Andy
>
> Problems worthy of attack prove their worth by hitting back. - Piet Hein
> (via Tom White)
>

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