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HBase >> mail # user >> HBase random read performance


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Re: HBase random read performance
you setup is rather basic with 8gb memory per server. You should run
hadoop/hbase on better hardware than this.

On Sat, Apr 13, 2013 at 7:31 AM, Ankit Jain <[EMAIL PROTECTED]> wrote:
> Hi All,
>
> We are using HBase 0.94.5 and Hadoop 1.0.4.
>
> We have HBase cluster of 5 nodes(5 regionservers and 1 master node). Each
> regionserver has 8 GB RAM.
>
> We have loaded 25 millions records in HBase table, regions are pre-split
> into 16 regions and all the regions are equally loaded.
>
> We are getting very low random read performance while performing multi get
> from HBase.
>
> We are passing random 10000 row-keys as input, while HBase is taking around
> 17 secs to return 10000 records.
>
> Please suggest some tuning to increase HBase read performance.
>
> Thanks,
> Ankit Jain
> iLabs
>
>
>
> --
> Thanks,
> Ankit Jain

--
Håvard Wahl Kongsgård
Data Scientist
Faculty of Medicine &
Department of Mathematical Sciences
NTNU

http://havard.dbkeeping.com/