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From "Samarth Jain (JIRA)" <>
Subject [jira] [Updated] (PHOENIX-3638) Enable compression for immutable encoded table
Date Mon, 06 Mar 2017 22:22:33 GMT


Samarth Jain updated PHOENIX-3638:
    Issue Type: Improvement  (was: Sub-task)
        Parent:     (was: PHOENIX-1598)

> Enable compression for immutable encoded table
> ----------------------------------------------
>                 Key: PHOENIX-3638
>                 URL:
>             Project: Phoenix
>          Issue Type: Improvement
>            Reporter: Mujtaba Chohan
>            Assignee: Samarth Jain
> Immutable column encoding with offset data is highly compressible, in test with various
schemas, space saving ranges from 1.5X to 3X whereas FAST_DIFF encoding has not any significant
impact as expected. 
> Enabling compression would lead to better performance for disk I/O bound queries. The
amount of space saving depends on sparsity, number of columns and data shape.

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