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HBase >> mail # user >> scan is slower after bulk load


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Amit Sela 2012-11-12, 14:39
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Marcos Ortiz 2012-11-12, 14:44
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Re: scan is slower after bulk load
Just a guess... have you done any compactions on the table post bulk load?

On Nov 12, 2012, at 8:44 AM, Marcos Ortiz <[EMAIL PROTECTED]> wrote:

> Regards, Amit.
> Did you tuned the RegionServer where you has that data range hosted?
> Why do you say that scans are slower after a bulk load?
> Did you test it before bulk load?
>
> HBase version?
>
> On 11/12/2012 09:39 AM, Amit Sela wrote:
>> Hi all,
>>
>> Anyone has any idea why scanning over specific range in a table is about
>> 20% slower if that data (that specific range) was just inserted into HBase
>> using bulk load ?
>>
>> I do the bulk load programmatically with  LoadIncrementalHFiles.
>>
>> Thanks.
>>
>
> --
>
> Marcos Luis Ortíz Valmaseda
> about.me/marcosortiz <http://about.me/marcosortiz>
> @marcosluis2186 <http://twitter.com/marcosluis2186>
>
>
>
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Mohammad Tariq 2012-11-12, 17:04
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Bijieshan 2012-11-13, 00:29
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Asaf Mesika 2012-11-22, 21:51
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Amit Sela 2012-11-23, 17:22
NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB