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From prakash kadel <prakash.ka...@gmail.com>
Subject Re: should i use compression?
Date Wed, 03 Apr 2013 14:23:47 GMT
thank you very much.
i will try with snappy compression with data_block_encoding




On Wed, Apr 3, 2013 at 11:21 PM, Kevin O'dell <kevin.odell@cloudera.com>wrote:

> Prakash,
>
>   Yes, I would recommend Snappy Compression.
>
> On Wed, Apr 3, 2013 at 10:18 AM, Prakash Kadel <prakash.kadel@gmail.com>
> wrote:
> > Thanks,
> >     is there any specific compression that is recommended of the use
> case i have?
> >    Since my values are all null will compression help?
> >
> >  I am thinking of using prefix data_block_encoding..
> > Sincerely,
> > Prakash Kadel
> >
> >
> > On Apr 3, 2013, at 10:55 PM, Ted Yu wrote:
> >
> >> You should use data block encoding (in 0.94.x releases only). It is
> helpful
> >> for reads.
> >>
> >> You can also enable compression.
> >>
> >> Cheers
> >>
> >>
> >> On Wed, Apr 3, 2013 at 6:42 AM, Prakash Kadel <prakash.kadel@gmail.com
> >wrote:
> >>
> >>> Hello,
> >>>    I have a question.
> >>>    I have a table where i store data in the column qualifiers(the
> values
> >>> itself are null).
> >>>    I just have 1 column family.
> >>>   The number of columns per row is variable (1~ few thousands)
> >>>
> >>> Currently i don't use compression or the data_block_encoding.
> >>>
> >>> Should i?
> >>> I want to have faster reads.
> >>>
> >>> Please suggest.
> >>>
> >>>
> >>> Sincerely,
> >>> Prakash Kadel
> >
>
>
>
> --
> Kevin O'Dell
> Systems Engineer, Cloudera
>

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