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From Ted Yu <yuzhih...@gmail.com>
Subject Re: HBase rowkey design guidelines
Date Wed, 04 Dec 2013 19:18:18 GMT
For HFile v3, please take a look at:
HBASE-9045 Dictionary based tag compression

Cheers

On Dec 5, 2013, at 12:23 AM, Josh Elser <josh.elser@gmail.com> wrote:

> They have a couple of different encoding strategies in HFile v2 that are similar.
> 
> https://issues.apache.org/jira/browse/HBASE-4218
> https://issues.apache.org/jira/browse/HBASE-4676
> 
> Not sure if there are any new slated approaches for HFile v3.
> 
> On 12/4/13, 12:28 AM, John Vines wrote:
>> Also, I'm not sure if HBase has the encoding techniques that we utilize
>> in our RFile
>> 
>> On Wed, Dec 4, 2013 at 12:19 AM, Mike Drob <mdrob@mdrob.com
>> <mailto:mdrob@mdrob.com>> wrote:
>> 
>>    Well, yes and no.
>> 
>>    Smaller keys still mean less network traffic, potentially less IO,
>>    and maybe faster operations if you're trying to do application
>>    logic. Using data or default or just d probably doesn't matter in
>>    the long term (although there are certainly cases where it might).
>> 
>>    On Dec 3, 2013 11:57 PM, "David Medinets" <david.medinets@gmail.com
>>    <mailto:david.medinets@gmail.com>> wrote:
>> 
>>        http://hbase.apache.org/book/rowkey.design.html - unless I am
>>        misunderstanding much of the advice given for HBase simply
>>        doesn't apply to Accumulo. For example "Try to keep the
>>        ColumnFamily names as small as possible, preferably one
>>        character (e.g. "d" for data/default)."
>> 
>> 

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