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Cc: "user@hbase.apache.org" <user@hbase.apache.org>
From: Ted Yu <yuzhihong@gmail.com>
Subject: Re: Why Custom Filters are more resource exhaustive then normal
 single column value filter
Date: Mon, 16 Jun 2014 06:22:23 -0700
To: "user@hbase.apache.org" <user@hbase.apache.org>

Can you format the table for better reading ?
You can put picture on third party website and post link here.=20

Does your custom filter maintain state ?

What hbase version are you using ?

Have you checked region server logs during the 15 minutes ?

Cheers

On Jun 16, 2014, at 3:25 AM, Vikram Singh Chandel <vikramsinghchandel@gmail.=
com> wrote:

> Hi
> I was working on way to find a substitute for coprocessor(because of
> various issue with them)
> so tried Custom Filters and found that the custom filter are much more
> resource exhaustive (CPU) then coprocessor having single column value
> filter.
>=20
> *Query: Get List of Publications for UDANDA (CF:Attributes Col:Country) -
> Result: 509 Records. *
>=20
> *Heap 3 Gb *
>=20
>=20
> With Custom Filter
> No of Scan Req
> Max Heap(Mb)
> Max CPU(%)
>=20
>=20
>=20
> 1
> 86.74
> 7.7
> 5
> 412
> 63.37
> 10
> 926
> 99
> *With Single Column Value Filter*
> No of Scan Req
> Max Heap
> Max CPU
>=20
>=20
>=20
> 10
> 453.66
> 17.7
> Query ran for 15 minutes didn't get results. Terminated execution
>=20
>=20
>=20
> *Can anyone shed some light on this.*
> --=20
>=20
> *Regards*
>=20
> *VIKRAM SINGH CHANDEL*
>=20
> Please do not print this email unless it is absolutely necessary,Reduce.
> Reuse. Recycle. Save our planet.