On Mon, Jan 14, 2019 at 5:37 PM ming.liu <ming.liu@esgyn.cn> wrote:
> Hi, all,
>
>
>
> Our application is using coprocessor to communicate with HBase, not using
> the get()/put() client API. When there are large concurrency, the
> performance is degrading very fast.
>
>
Can you figure why? Thread-dumping, profiler?
> I checked there is hbase.regionserver.handler.count which control how many
> thread in RS to handle client request. Will coprocessor use those same
> threads?
>
>
Yes. CPs decorate the existing read/write paths serviced by handlers.
S
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> thanks,
>
> Ming
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