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From Louis Hust <louis.h...@gmail.com>
Subject Re: RegionServer 60030 Show All RPC Handler Task is empty
Date Thu, 09 Jul 2015 08:28:26 GMT
So it's a bug or some configuration error? So confused!

2015-07-08 23:52 GMT+08:00 Esteban Gutierrez <esteban@cloudera.com>:

> Yeah, it took about one day to see this in one my test clusters with heavy
> load. Will keep you posted.
>
> Thanks,
> esteban.
>
> --
> Cloudera, Inc.
>
>
> On Wed, Jul 8, 2015 at 2:32 AM, Louis Hust <louis.hust@gmail.com> wrote:
>
> > Hi esteban,
> >
> > For the dump url get the following out:
> >
> >
> > Tasks:
> > ===========================================================
> >
> >
> > Executors:
> >
> >
> > For the json format, got the following output:
> >
> > Shell > curl http://xxxx:60030/rs-status\?format\=json\&filter\=handler
> >
> > []
> >
> >
> > All output is empty
> >
> > 2015-07-07 14:05 GMT+08:00 Esteban Gutierrez <esteban@cloudera.com>:
> >
> > > Louis,
> > >
> > > before you see this problem, how many tasks are reported by the debug
> > dump
> > > servlet? e.g what do you see when you run "curl -s http://rs:port/dump
> |
> > > grep Task: | wc -l" ? Have you tried to dump directly the JSON object
> > "curl
> > > -s http://rs:port/rs-status?format=json&filter=handler" ?
> > >
> > > thanks,
> > > esteban.
> > >
> > > --
> > > Cloudera, Inc.
> > >
> > >
> > > On Mon, Jul 6, 2015 at 8:51 PM, Louis Hust <louis.hust@gmail.com>
> wrote:
> > >
> > > > Any idea
> > > >
> > > > 2015-07-03 14:17 GMT+08:00 Louis Hust <louis.hust@gmail.com>:
> > > >
> > > > > Hi, stack,
> > > > >
> > > > > It seems that after one day, the " Show All RPC Handler Tasks" tab
> go
> > > > > back to empty.
> > > > > Confused!!
> > > > >
> > > > >
> > > > > 2015-07-02 14:50 GMT+08:00 Stack <stack@duboce.net>:
> > > > >
> > > > >> On Wed, Jul 1, 2015 at 9:18 PM, Louis Hust <louis.hust@gmail.com>
> > > > wrote:
> > > > >>
> > > > >> > Hi, all
> > > > >> >
> > > > >> > I restart a regionserver and do a balanceswitch manually,
> > > > >> > the task seems ok
> > > > >> >
> > > > >> > You are seeing handler tasks now?
> > > > >>
> > > > >> On apache branch-1, I see the tasks all WAITING.
> > > > >>
> > > > >> Let me check a CDH...
> > > > >>
> > > > >> St.Ack
> > > > >>
> > > > >>
> > > > >>
> > > > >> > 2015-06-30 15:38 GMT+08:00 Louis Hust <louis.hust@gmail.com>:
> > > > >> >
> > > > >> > > Any ideas?
> > > > >> > >
> > > > >> > > 2015-06-30 9:53 GMT+08:00 Louis Hust <louis.hust@gmail.com>:
> > > > >> > >
> > > > >> > >> Anybody can help?
> > > > >> > >>
> > > > >> > >> 2015-06-26 23:05 GMT+08:00 Louis Hust <louis.hust@gmail.com
> >:
> > > > >> > >>
> > > > >> > >>> Hi, all
> > > > >> > >>>
> > > > >> > >>>
> > > > >> > >>> We are using 0.98.6-cdh5.2.0, rUnknown
> > > > >> > >>>
> > > > >> > >>>
> > > > >> > >>> And when we visit the web regionserverhost:60030
to see Show
> > All
> > > > RPC
> > > > >> > >>> Handler Tasks,
> > > > >> > >>>
> > > > >> > >>> found No tasks currently running on this node.
But we
> > configure
> > > > >> > >>>
> > > > >> > >>> <property>
> > > > >> > >>>
> > > > >> > >>> <name>hbase.regionserver.handler.count</name>
> > > > >> > >>>
> > > > >> > >>> <value>150</value>
> > > > >> > >>>
> > > > >> > >>> <source>hbase-site.xml</source>
> > > > >> > >>>
> > > > >> > >>> </property>
> > > > >> > >>>
> > > > >> > >>>
> > > > >> > >>>
> > > > >> > >>> And on another cluster using 0.96.0-hadoop2,
we can see
> > > following
> > > > >> tasks
> > > > >> > >>> under Show All RPC Handler Tasks:
> > > > >> > >>>
> > > > >> > >>>
> > > > >> > >>>   Tue Jun 09 17:32:14 CST 2015
> > > > >> > >>>
> > > > >> > >>> RpcServer.handler=9,port=60020
> > > > >> > >>>
> > > > >> > >>> WAITING (since 0sec ago)
> > > > >> > >>>
> > > > >> > >>> Waiting for a call (since 0sec ago)
> > > > >> > >>>
> > > > >> > >>>
> > > > >> > >>> So i want to know if it is a bug? or something
i
> > misunderstand?
> > > > >> > >>>
> > > > >> > >>>
> > > > >> > >>> Any idea will be appreciated!
> > > > >> > >>>
> > > > >> > >>
> > > > >> > >>
> > > > >> > >
> > > > >> >
> > > > >>
> > > > >
> > > > >
> > > >
> > >
> >
>

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