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From Rahul Malviya <malviyarahul2...@gmail.com>
Subject Re: MapReduce on Sanpshots
Date Fri, 08 May 2015 16:25:30 GMT
Thanks Ted.

Seems to answer my question.

Rahul

> On May 8, 2015, at 9:04 AM, Ted Yu <yuzhihong@gmail.com> wrote:
> 
> Please see Release Note of HBASE-8369
> 
> Cheers
> 
> On Fri, May 8, 2015 at 8:16 AM, Rahul Malviya <malviyarahul2001@gmail.com>
> wrote:
> 
>> 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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