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HBase, mail # user - is there any way to copy data from one table to another while updating rowKey??
T Vinod Gupta
2012-01-12, 11:37
T Vinod Gupta
2012-01-12, 17:12
Ted Yu
2012-01-12, 17:46
Stack
2012-01-12, 22:39
T Vinod Gupta
2012-01-13, 05:47
Stack
2012-01-13, 20:31
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Re: is there any way to copy data from one table to another while updating rowKey??
yuzhihong@... 2012-01-12, 13:13
What version of hbase did you use ?

Can you post the stack trace for the exception ?

Thanks

On Jan 12, 2012, at 3:37 AM, T Vinod Gupta <[EMAIL PROTECTED]> wrote:

> I am badly stuck and can't find a way out. i want to change my rowkey
> schema while copying data from 1 table to another. but a map reduce job to
> do this won't work because of large row sizes (responseTooLarge errors). so
> i am left with a 2 steps processing of exporting to hdfs files and
> importing from them to the 2nd table. so i wrote a custom exporter that
> changes the rowkey to newRowKey when doing context.write(newRowKey,
> result). but when i import these new files into new table, it doesnt work
> due to this exception in put - "The row in the recently added ... doesn't
> match the original one ....".
>
> is there no way out for me? please help
>
> thanks