hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase random read performance
Date Sat, 13 Apr 2013 15:16:33 GMT
Did you enable bloom filters ?
See http://hbase.apache.org/book.html#schema.bloom

Cheers

On Fri, Apr 12, 2013 at 10:31 PM, Ankit Jain <ankitjaincs06@gmail.com>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
>

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message