Home | About | Sematext search-lucene.com search-hadoop.com
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB
 Search Hadoop and all its subprojects:

Switch to Threaded View
MapReduce >> mail # user >> Re: Errors come out when starting Balancer


Copy link to this message
-
Re: Errors come out when starting Balancer
Hi
   That is  great helpfull.Thank you very much.

regards
2013/2/25 Harsh J <[EMAIL PROTECTED]>

> Hi,
>
> A few points:
>
> - The property "fs.default.name" has been deprecated in favor of the
> newer name "fs.defaultFS".
> - When using nameservice IDs, you shouldn't rely on the RPC address.
> That is, your fs.defaultFS should instead simply be "hdfs://ns1", and
> the config will load the right RPC that is bound to that NS
> automatically from the hdfs-site.xml.
>
> On Mon, Feb 25, 2013 at 10:35 AM, YouPeng Yang
> <[EMAIL PROTECTED]> wrote:
> > Hi .
> >   Sorry to bother you againt.
> >
> >   I need to close this question  by myself.
> >   Here is my core-site.xml:
> >   ******************************************************************
> >   <configuration>
> >    <property>
> >    <name>fs.default.name</name>
> >    <value>hdfs://Hadoop01:8020</value>
> >   </property>
> >  </configuration>
> >   ******************************************************************
> >  my hdfs-site.xml:
> >  *********************************************************************
> > <configuration>
> >     <property>
> >        <name>dfs.nameservices</name>
> >        <value>ns1,ns2</value>
> >    </property>
> >    <property>
> >        <name>dfs.namenode.rpc-address.ns1</name>
> >       <value>Hadoop01:8040</value>
> >    </property>
> > .... Other common configuration ...
> > </configuration>
> > **********************************************************************
> >
> > When start the  balancer,the script using the   fs.default.name of
> > core-site.xml by defulat.
> > according to hdfs-site.xml,the port 8020 does no start.So it goes fo fail
> > when i start the balancer usig the port 8020 of core-site.xml.
> >
> > So the  ports of  fs.default.name and
> > dfs.namenode.rpc-address.<nameserviceid> shoud be consistent.
> >
> >
> > Thanks
> >
> > Regards
> >
> >
> >
> >
> >
> > 2013/2/24 YouPeng Yang <[EMAIL PROTECTED]>
> >>
> >> Hi ALL
> >>
> >>   I start the  Balancer on the HDFS Federation,however it comes an
> error:
> >> java.net.ConnectException: Call From Hadoop01/10.167.14.221 to
> >> Hadoop01:8020 failed on connection exception: java.net.ConnectException:
> >> Connection refused; For more details see:
> >> http://wiki.apache.org/hadoop/ConnectionRefused.  Exiting ...
> >> Balancing took 11.163 seconds
> >>
> >>  How Can i solve this.
> >>
> >> By the way,I have done what explained on the
> >> http://wiki.apache.org/hadoop/ConnectionRefused  when i build my basic
> and
> >> original HDFS cluster.So i think the above error maybe because of
> another
> >> reasons.
> >>
> >> thanks
> >>
> >> Regards.
> >>
> >
>
>
>
> --
> Harsh J
>
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB