hbase-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Matt K <matvey1...@gmail.com>
Subject Re: custom filter on hbase 0.96
Date Wed, 15 Oct 2014 21:54:05 GMT
Ted, sorry, I have no idea what you mean. Could you please elaborate?

On Wednesday, October 15, 2014, Ted Yu <yuzhihong@gmail.com> wrote:

> Nishanth:
> Good question.
>
> As a general coding guide, writing unit test is always a good start. Using
> Matt's case as an example, take a look at TestPrefixFilter.
>
> There're various unit tests for Filters in hbase code.
>
> Cheers
>
> On Wed, Oct 15, 2014 at 2:30 PM, Nishanth S <nishanth.2884@gmail.com
> <javascript:;>> wrote:
>
> > Hi Ted ,
> >  Since I am also working on similar thing is there a way we can  first
> test
> > the filter on client side?.You know what I  mean without disrupting
> others
> > who are using the same cluster for other work?
> >
> > Thanks,
> > Nishanth
> >
> > On Wed, Oct 15, 2014 at 3:17 PM, Ted Yu <yuzhihong@gmail.com
> <javascript:;>> wrote:
> >
> > > bq. Or create a new file, compile it into ...
> > >
> > > You should go with the above approach.
> > >
> > > On Wed, Oct 15, 2014 at 2:08 PM, Matt K <matvey1414@gmail.com
> <javascript:;>> wrote:
> > >
> > > > Hi all,
> > > >
> > > > I'm trying to get a custom filter to work on HBase 0.96. After some
> > > > searching, I found that starting from 0.96, the implementer is
> required
> > > to
> > > > implement "toByteArray" and "parseFrom" methods, using Protocol
> > Buffers.
> > > > But I'm having trouble with the "how".
> > > >
> > > > The "proto" file for the existing filters is located here:
> > > >
> > > >
> > >
> >
> https://github.com/apache/hbase/blob/master/hbase-protocol/src/main/protobuf/Filter.proto
> > > >
> > > > Am I supposed to modify that file? Or create a new file, compile it
> > into
> > > > Java, and package it up with the filter?
> > > >
> > > > In the meantime, I've taken a shortcut that's not working. Here's my
> > > code:
> > > > http://pastebin.com/iHFKu9Xz
> > > >
> > > > I'm using "PrefixFilter", which comes with HBase, since I'm also
> > > filtering
> > > > by "prefix". However, that errors out with the following:
> > > > http://pastebin.com/zBg47p6Z
> > > >
> > > > Thanks in advance for helping!
> > > >
> > > > -Matt
> > > >
> > >
> >
>


-- 
www.calcmachine.com - easy online calculator.

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