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From Vaibhav Puranik <vpura...@gmail.com>
Subject Re: Region Servers going down frequently
Date Fri, 10 Apr 2009 16:43:13 GMT
Rakhi,

Erick Holstad has written an Import Export map reduce job. This job is
compatible with 0.19.1.

I have tried it myself and it works fine.
Here is the code -
https://issues.apache.org/jira/browse/HBASE-974<https://issues.apache.org/jira/browse/HBASE-974>

Regards,
Vaibhav


On Thu, Apr 9, 2009 at 3:10 AM, Rakhi Khatwani <rakhi.khatwani@gmail.com>wrote:

> Hi,
> The backup tool is written for older version and not for 0.19 . I tries
> changing the code and taking a backup and restoring it again, but the
> restore fails. No data is restored, though the mapreduce runs without
> errors.
>
> Any help???
>
> On Thu, Apr 9, 2009 at 12:57 PM, Amandeep Khurana <amansk@gmail.com>
> wrote:
>
> > When you say column foo: it basically picks up all the columns under the
> > family foo:.. You dont have to give individual column names.
> >
> >
> > Amandeep Khurana
> > Computer Science Graduate Student
> > University of California, Santa Cruz
> >
> >
> > On Thu, Apr 9, 2009 at 12:25 AM, Rakhi Khatwani <
> rakhi.khatwani@gmail.com
> > >wrote:
> >
> > > Thanks Amandeep.
> > >
> > > the usage of the code is
> > >
> > > "bin/hadoop com.mahalo.hadoop.hbase.Exporter -output mybackup -table
> test
> > > -columns foo:"
> > >
> > > but my columns are like example
> > > *URL:http://www.yahoo.com/(columnname)*3(some<http://www.yahoo.com/%28columnname%29*3%28some>
> <http://www.yahoo.com/%28columnname%29*3%28some>
> > <http://www.yahoo.com/%28columnname%29*3%28some>int value) .And there
> > > are thousands of rows.
> > > Its not feasible to use the code from command prompt. Is there another
> > way
> > > ??
> > >
> > >
> > >
> > > On Thu, Apr 9, 2009 at 12:33 PM, Amandeep Khurana <amansk@gmail.com>
> > > wrote:
> > >
> > > > You can use this... https://issues.apache.org/jira/browse/HBASE-897
> > > >
> > > >
> > > >
> > > >
> > > > Amandeep Khurana
> > > > Computer Science Graduate Student
> > > > University of California, Santa Cruz
> > > >
> > > >
> > > > On Wed, Apr 8, 2009 at 11:59 PM, Rakhi Khatwani <
> > > rakhi.khatwani@gmail.com
> > > > >wrote:
> > > >
> > > > > Hi Andy,
> > > > >
> > > > > I want to back up my HBase and move to a more powerful machine. I
> am
> > > > trying
> > > > > distcp but it doesnot backup hbase folder properly. When I try
> > > restoring
> > > > > the
> > > > > hbase folder I don't get all the records. Some tables are coming
> > blank.
> > > > > What
> > > > > could be the reason.??
> > > > >
> > > > > On Wed, Apr 8, 2009 at 11:23 PM, Andrew Purtell <
> apurtell@apache.org
> > >
> > > > > wrote:
> > > > >
> > > > > >
> > > > > > I updated the Troubleshooting page on the wiki with a section
> > > > > > about EC2. Please feel free to extend/enhance/revise.
> > > > > >
> > > > > >   - Andy
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > >
> > > >
> > >
> >
>

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