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https://issues.apache.org/jira/browse/HIVE-2623?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13174824#comment-13174824
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Krishna Kumar commented on HIVE-2623:
-------------------------------------

Compression efficiency stats (unary is optimal for geometric_0.5, eliasgamma 
for steppedpowerlaw):

geometric_0.5 : gzip/bzip2/uber+Unary/uber+EliasGamma

1s  : 32628/31185/25640/28976
2s  : 51155/46444/39476/42789
D1s : 109133/172441/25300/28625
D2s : 85525/99032/25395/28719

steppedpowerlaw : gzip/bzip2/uber+Unary/uber+EliasGamma

1s  : 52082/48239/163440/45798
2s  : 63938/59270/165574/53033
D1s : 123481/205486/172697/37669
D2s : 94362/106407/178985/38004 
                
> Add Integer type compressors
> ----------------------------
>
>                 Key: HIVE-2623
>                 URL: https://issues.apache.org/jira/browse/HIVE-2623
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Contrib
>            Reporter: Krishna Kumar
>            Assignee: Krishna Kumar
>            Priority: Minor
>         Attachments: HIVE-2623.v0.patch, HIVE-2623.v1.patch, 
> HIVE-2623.v2.patch, data.tar.gz
>
>
> Type-specific compressors for integers.
> Starting with elias gamma which prefers small values as per a power-law like 
> distribution. 

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