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Date: Wed, 21 Aug 2013 18:04:35 +0530
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Subject: Re: Setting zookeeper timeout to higher value
From: Vimal Jain <vkjk89@gmail.com>
To: user@hbase.apache.org
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yeah .. its mentioned so in official guide but currently i am using it in
production and would later convert it to 3-node cluster.


On Wed, Aug 21, 2013 at 5:54 PM, Jean-Marc Spaggiari <
jean-marc@spaggiari.org> wrote:

> 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 <vkjk89@gmail.com>
>
> > 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 <
> > jean-marc@spaggiari.org> 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 <vkjk89@gmail.com>
> > >
> > > > Can someone please give advice on this ?
> > > >
> > > >
> > > > On Tue, Aug 20, 2013 at 12:41 PM, Vimal Jain <vkjk89@gmail.com>
> 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
> >
>


-- 
Thanks and Regards,
Vimal Jain

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