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From "Pete Haidinyak" <javam...@cox.net>
Subject Re: Enable Compression on a Table
Date Wed, 19 Jan 2011 04:46:55 GMT


On Tue, 18 Jan 2011 17:10:44 -0800, Stack <stack@duboce.net> wrote:

> Just offline the table, enable compression and all subsequent data
> flushed or compressed will be compressed.  It should just work.
> Things to look out for are making sure the lzo libs are installed on
> each node:  
> http://people.apache.org/~stack/hbase-0.90.0-candidate-3/docs/important_configurations.html#lzo.
>  If running w/ 0.90.0, see a recent thread on memory issues to pick up
> a patch that seems to have quelled lzo issues when running hbase
> 0.90.0.
> St.Ack
> On Tue, Jan 18, 2011 at 4:57 PM, Peter Haidinyak <phaidinyak@local.com>  
> wrote:
>> Ahoy Hoy,
>>        I have several tables I setup when I first learned HBase and I  
>> didn't enable compression. These tables are in use. I was wondering if  
>> it is possible to enable LZO compression 'on the fly'. I read you can  
>> disable the table and then alter it and I tried that on a test table  
>> and it seemed to work. If I enable compression on a large table what  
>> sort of issues should I look for? What are the recommended steps?
>> Thanks
>> -Pete

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