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From Vinay Mehta <vinay.p.me...@gmail.com>
Subject Re: hbase.cluster.distributed property in hbase-site.xml
Date Thu, 15 Aug 2013 13:27:57 GMT
Hi Ted/Jean
Can you help in understanding conflicting statements in official reference
guide as i mentioned above ?


On Thu, Aug 15, 2013 at 6:51 PM, Ted Yu <yuzhihong@gmail.com> wrote:

> Vinay:
> In http://hbase.apache.org/book.html , take a look at  14.3.1.2. Hardware
>
>
> On Thu, Aug 15, 2013 at 4:47 AM, Jean-Marc Spaggiari <
> jean-marc@spaggiari.org> wrote:
>
> > If you want want to run the application but no MR jobs, small CPU is
> > enought. If you want to inject big load and run big jobs, will require
> big
> > CPU...
> >
> > JM
> >
> > 2013/8/15 Vinay Mehta <vinay.p.mehta@gmail.com>
> >
> > > Hi,
> > > Thanks Jean.
> > > I will take care of your advice in future.
> > > What about CPU configuration ?
> > >
> > >
> > > On Thu, Aug 15, 2013 at 4:51 PM, Jean-Marc Spaggiari <
> > > jean-marc@spaggiari.org> wrote:
> > >
> > > > Hi Vinay,
> > > >
> > > > 2 things.
> > > >
> > > > First, you should not expect the list to be available 24/7 to reply
> to
> > > your
> > > > questions in less that 2 hours. People here are all voloneers from
> the
> > > > community, and something, they mightnot have the time, or might be
> > > > sleeping, or might not know, or anything else.
> > > >
> > > > Second, here is what you need to setup for a pseudo-distributed node.
> > > don't
> > > > forget that you need at least 16GB on this node if you want it to
> work
> > > > correctly.
> > > >
> > > > <configuration>
> > > >   <property>
> > > >     <name>hbase.rootdir</name>
> > > >     <value>hdfs://hbasetest:9000/hbase</value>
> > > >   </property>
> > > >   <property>
> > > >     <name>hbase.cluster.distributed</name>
> > > >     <value>true</value>
> > > >   </property>
> > > >   <property>
> > > >     <name>hbase.zookeeper.quorum</name>
> > > >     <value>hbasetest</value>
> > > >   </property>
> > > > </configuration>
> > > >
> > > > In this mode, I start Hadoop and ZooKeeper manually.
> > > >
> > > > JM
> > > >
> > > > 2013/8/15 Vinay Mehta <vinay.p.mehta@gmail.com>
> > > >
> > > > > Some one please reply.
> > > > > I am asking this as at one place in official reference guide its
> > > > mentioned
> > > > > as true as show below :-
> > > > >
> > > > > 2.2.2.1.1. Pseudo-distributed Configuration File
> > > > >
> > > > > Below is a sample pseudo-distributed file for the node
> > > > h-24-30.example.com
> > > > > .
> > > > > hbase-site.xml
> > > > >
> > > > > <configuration>
> > > > >   ...*  <property>
> > > > >     <name>hbase.rootdir</name>
> > > > >     <value>hdfs://h-24-30.sfo.stumble.net:8020/hbase</value>
> > > > >   </property>
> > > > >   <property>
> > > > >     <name>hbase.cluster.distributed</name>
> > > > >     <value>true</value>  </property>*
> > > > >
> > > > >
> > > > > Where as at another place in same file its mentioned as
> > > > >
> > > > > 2.4.1.1. hbase-site.xml
> > > > >
> > > > > <?xml version="1.0"?>
> > > > > <?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
> > > > > <configuration>
> > > > > .....
> > > > >  * <property>
> > > > >     <name>hbase.cluster.distributed</name>
> > > > >     <value>true</value>
> > > > >     <description>The mode the cluster will be in. Possible
values
> are
> > > > >       false: standalone and pseudo-distributed setups with managed
> > > > > Zookeeper
> > > > >       true: fully-distributed with unmanaged Zookeeper Quorum (see
> > > > > hbase-env.sh)
> > > > >     </description>
> > > > >   </property>*
> > > > > </configuration>
> > > > >
> > > > >
> > > > >
> > > > > So its contradictory and hence i am confused. :(
> > > > > Also  As i have single machine which will hosts all daemons of
> hadoop
> > > and
> > > > > hbase what should be the ideal cpu and memory configuration ?
> > > > >
> > > > > Regards,
> > > > > Vinay
> > > > >
> > > > > On Thu, Aug 15, 2013 at 12:45 PM, Vinay Mehta <
> > vinay.p.mehta@gmail.com
> > > > > >wrote:
> > > > >
> > > > > > Hi,
> > > > > > I am newbie to Hbase and Hadoop.
> > > > > > I am trying to configure Hbase and Hadoop in pseudo distributed
> > mode.
> > > > > > I have few questions.
> > > > > >
> > > > > > 1) what should hbase.cluster.distributed be set to in
> > hbase-site.xml
> > > > for
> > > > > > pseudo distributed mode.
> > > > > > Is it false for stanalone mode and true for both pseudo
> distributed
> > > and
> > > > > > fully distributed mode ?
> > > > > >
> > > > > > 2) As i have single machine which will hosts all daemons of
> hadoop
> > > and
> > > > > > hbase what should be the ideal cpu and memory configuration
?
> > > > > >
> > > > > > Thanks for your time.
> > > > > >
> > > > > > Regards,
> > > > > > Vinay
> > > > > >
> > > > >
> > > >
> > >
> >
>

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