> Hi all,
>
> I have many client fetching data from HBase
> from a single jvm. When I reuse HBase connection  the number of
> requests  per second that application can handle is relatively small,
> however if I create a pool of connections and reuse it the number of
> requests per second dramatically increases.
> I suspect this is because HBase connection has a pool inside which is
> relatively small.  What parameter/parameters can be altered in order
> to improve performance of single hbase connection? Are there any means
> to increase maximum concurrent operations allowed?
>
> Regards,
> Vitaliy
>

>
> Yes,there is a thread pool in hbase connection.
>
> You can set the core pool size by *hbase.hconnection.threads.core*, and the
> max pool size by  *hbase.hconnection.threads.max*.
>
> Vitaliy Semochkin <[EMAIL PROTECTED]> 于2019年11月7日周四 上午6:48写道：
>
> > Hi all,
> >
> > I have many client fetching data from HBase
> > from a single jvm. When I reuse HBase connection  the number of
> > requests  per second that application can handle is relatively small,
> > however if I create a pool of connections and reuse it the number of
> > requests per second dramatically increases.
> > I suspect this is because HBase connection has a pool inside which is
> > relatively small.  What parameter/parameters can be altered in order
> > to improve performance of single hbase connection? Are there any means
> > to increase maximum concurrent operations allowed?
> >
> > Regards,
> > Vitaliy
> >

> Thank you very much Yuhang Li!
>
> Do you think I also should increase
> hbase.client.ipc.pool.size
> if I have hundreds parallel threads executing Get?
>
> Regards,
> Vitaliy
>
> On Thu, Nov 7, 2019 at 1:06 PM yuhang li <[EMAIL PROTECTED]> wrote:
> >
> > Yes,there is a thread pool in hbase connection.
> >
> > You can set the core pool size by *hbase.hconnection.threads.core*, and
> the
> > max pool size by  *hbase.hconnection.threads.max*.
> >
> > Vitaliy Semochkin <[EMAIL PROTECTED]> 于2019年11月7日周四 上午6:48写道：
> >
> > > Hi all,
> > >
> > > I have many client fetching data from HBase
> > > from a single jvm. When I reuse HBase connection  the number of
> > > requests  per second that application can handle is relatively small,
> > > however if I create a pool of connections and reuse it the number of
> > > requests per second dramatically increases.
> > > I suspect this is because HBase connection has a pool inside which is
> > > relatively small.  What parameter/parameters can be altered in order
> > > to improve performance of single hbase connection? Are there any means
> > > to increase maximum concurrent operations allowed?
> > >
> > > Regards,
> > > Vitaliy
> > >
>