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From llpind <sonny_h...@hotmail.com>
Subject Re: LZO compression in HBase
Date Tue, 28 Jul 2009 22:03:04 GMT

major_compact from the web UI by clicking on the HBase table then clicking
Compact?

Thanks

Ryan Rawson wrote:
> 
> Hi,
> 
> You should enable LZO compression.  All performance goes up, both read
> and write.
> 
> Follow the instructions to get booted basic:
> http://wiki.apache.org/hadoop/UsingLzoCompression
> 
> Once you have your cluster restarted with the new jars and native
> libs, disable the tables.  Then alter them to include the
> compression=>'LZO' flag.  Re-enable them.  Kick off a major_compact on
> the table and the new files will be in LZO.
> 
> -ryan
> 
> On Tue, Jul 28, 2009 at 2:23 PM, llpind<sonny_heer@hotmail.com> wrote:
>>
>> Hey,
>>
>> I have a couple tall tables (~ 120M rows each with small columns).  I was
>> wondering what type of read performance I can expect using LZO
>> compression?
>>
>> Also, is there a way to enable compression on an existing HBase table, or
>> do
>> I have to drop, recreate, and reload the entire data?
>>
>> Thanks
>> --
>> View this message in context:
>> http://www.nabble.com/LZO-compression-in-HBase-tp24708137p24708137.html
>> Sent from the HBase User mailing list archive at Nabble.com.
>>
>>
> 
> 

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View this message in context: http://www.nabble.com/LZO-compression-in-HBase-tp24708137p24708714.html
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