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HBase, mail # user - about HBase export


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Ally Gladstone 2013-03-04, 10:48
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Re: about HBase export
Ted 2013-03-04, 12:27
Can you check region server logs to see if there was any error during export or import ?

Thanks

On Mar 4, 2013, at 2:48 AM, Ally Gladstone <[EMAIL PROTECTED]> wrote:

> Hi,
>
> I'm using Hadoop and HBase cluster with some machines.
>  Hadoop 0.20.2(exactly, hadoop-0.20.2-cdh3u1)
>  HBase 0.90.3 (exactly, hbase-0.90.3-cdh3u1)
>
> I tried to export HBase table with next command,
> it seemed to work successfuly, but could not export table completely.
>
> command:
> /HADOOP_HOME/hadoop jar /HBASE_HOME/hbase-0.90.3-cdh3u1.jar export
> <tablename> <hdfs_outputdir>
>
> After exported, import exported-data into empty table, but there was
> many lost rows.
>
>
> When the table data size was small(exported-data size was a few GB),
> could export completly and fully import all row,
> but when table became huge(exported-data size became around 10 GB over),
> it seemed to export incompletly and couldn't import all row.
>
> Is there any upper limit of size for export, or necessary settings, any
> bugs ??
>
> thanks.