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From Ted Yu <yuzhih...@gmail.com>
Subject Re: MapReduce on Sanpshots
Date Fri, 08 May 2015 16:04:10 GMT
Please see Release Note of HBASE-8369


On Fri, May 8, 2015 at 8:16 AM, Rahul Malviya <malviyarahul2001@gmail.com>

> Hi All,
> I have been MapReduce on HBase for a while now and this has been really
> successful for me. But I have some MRs jobs in my pipeline which scan every
> row on hbase. So I was wondering I move this MR job to run on snapshot that
> will reduce the load on RSs and HBase direct operations mostly get wont be
> affected by my long running full scan MR job.
> Let me know if my understanding is correct and what are possible drawbacks
> of doing this. I am mostly worried that my job will start talking longer
> time as compared to MR directly in HBase table. Please provide some details
> on this.
> Thanks,
> Rahul

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