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From Denny Ye <denny...@gmail.com>
Subject Re: Replication
Date Fri, 17 Feb 2012 02:40:15 GMT
hi Ajay
    Does the file that related with that
blockId(blk_4884628009930930282_210741) has being existed at HDFS?
    Your setting is right for new file to HDFS after the configuration to
take effect.

-Regards
Denny Ye

2012/2/15 Harsh J <harsh@cloudera.com>

> Ajay,
>
> Replication is a per-file property.
>
> To lower replication factor of existing files, run (as an HDFS
> superuser, for a good measure):
> $ hadoop fs -setrep -R 3 /
>
> On Wed, Feb 15, 2012 at 5:39 PM, ajay.bhosle <ajay.bhosle@zapak.co.in>
> wrote:
> > Hi,
> >
> >
> >
> > I have set replication as 1 in hdfs-site.xml as given below,
> >
> >
> >
> > property>
> >
> >     <name>dfs.replication</name>
> >
> >     <value>1</value>
> >
> >     <description>Default block replication.
> >
> >        The actual number of replications can be specified when the file
> is
> > created.
> >
> >        The default is used if replication is not specified in create
> time.
> >
> >     </description>
> >
> >  </property>
> >
> >
> >
> > But I get the below errors when I retrieve the block report from hdfs.
> Can
> > someone please help me if I am missing anything.
> >
> >
> >
> > “Under replicated blk_4884628009930930282_210741. Target Replicas is 3
> but
> > found 2 replica(s).”
> >
> >
> >
> > Thanks
> >
> > Ajay
> >
> >
>
>
>
> --
> Harsh J
> Customer Ops. Engineer
> Cloudera | http://tiny.cloudera.com/about
>

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