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HBase >> mail # user >> Setting zookeeper timeout to higher value


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Vimal Jain 2013-08-20, 07:11
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Vimal Jain 2013-08-21, 11:45
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Jean-Marc Spaggiari 2013-08-21, 11:58
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Vimal Jain 2013-08-21, 12:04
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Re: Setting zookeeper timeout to higher value
Hi Vimal,

I'm talking about your HBase installationg. I guessed that a pseudo
distributed distributed HBase installation is for testing purposes, and not
to sustain a production load.

JM

2013/8/21 Vimal Jain <[EMAIL PROTECTED]>

> Hi Jean,
> Sorry , but i did not get you completely.
> When you say its for testing , what exactly it means ?
>
>
> On Wed, Aug 21, 2013 at 5:28 PM, Jean-Marc Spaggiari <
> [EMAIL PROTECTED]> wrote:
>
> > Hi Vimal,
> >
> > It's for testing only, so you can put what ever value you want ;)
> >
> > It might just take longer because HBase see that RS is down. But as I
> said,
> > it's for testing. So it's not really critical.
> >
> > You might also want to play with GC options to make it faster.
> >
> > JM
> >
> > 2013/8/21 Vimal Jain <[EMAIL PROTECTED]>
> >
> > > Can someone please give advice on this ?
> > >
> > >
> > > On Tue, Aug 20, 2013 at 12:41 PM, Vimal Jain <[EMAIL PROTECTED]> wrote:
> > >
> > > > Hi,
> > > > I am running Hbase in pseudo distributed mode on top HDFS.
> > > > Recently , i was facing problems related to long GC pauses.
> > > > When i read in official documentation , its suggested to increase
> > > > zookeeper timeout.
> > > >
> > > > I am planning to make it 10 minutes .I understand the risk of
> > increasing
> > > > timeout means it takes a while for master to assign new regionserver
> in
> > > > case of a RS failure.
> > > > But as i am running Pseudo distributed mode , there is only one RS
> and
> > > > even if it goes down my entire system is down , so increasing timeout
> > > does
> > > > not seems to be an issue in my case.But still , i would like expert's
> > > > advice on this.
> > > >
> > > >
> > > > Here is my hbase-site.xml :-
> > > >
> > > > <configuration>
> > > > *        <property>
> > > >                 <name>zookeeper.session.timeout</name>
> > > >                 <value>600000</value>
> > > >          </property>
> > > >         <property>
> > > >                 <name>hbase.zookeeper.property.tickTime</name>
> > > >                 <value>30000</value>
> > > >         </property>*
> > > >         <property>
> > > >                 <name>hbase.rootdir</name>
> > > >                 <value>hdfs://192.168.20.30:9000/hbase</value>
> > > >         </property>
> > > >         <property>
> > > >                 <name>hbase.cluster.distributed</name>
> > > >                 <value>true</value>
> > > >          </property>
> > > >          <property>
> > > >               <name>hbase.zookeeper.quorum</name>
> > > >               <value>192.168.20.30</value>
> > > >         </property>
> > > >         <property>
> > > >               <name>dfs.replication</name>
> > > >               <value>1</value>
> > > >         </property>
> > > >          <property>
> > > >                  <name>hbase.zookeeper.property.clientPort</name>
> > > >                  <value>2181</value>
> > > >         </property>
> > > >         <property>
> > > >                  <name>hbase.zookeeper.property.dataDir</name>
> > > >                  <value>/home/hadoop/HbaseData/zookeeper</value>
> > > >         </property>
> > > > </configuration>
> > > >
> > > > --
> > > > Thanks and Regards,
> > > > Vimal Jain
> > > >
> > >
> > >
> > >
> > > --
> > > Thanks and Regards,
> > > Vimal Jain
> > >
> >
>
>
>
> --
> Thanks and Regards,
> Vimal Jain
>
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Vimal Jain 2013-08-21, 12:34
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Jean-Marc Spaggiari 2013-08-21, 12:37