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From "Ashutosh Chauhan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HIVE-4732) Reduce or eliminate the expensive Schema equals() check for AvroSerde
Date Sat, 21 Sep 2013 20:38:53 GMT

     [ https://issues.apache.org/jira/browse/HIVE-4732?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Ashutosh Chauhan updated HIVE-4732:
-----------------------------------

       Resolution: Fixed
    Fix Version/s: 0.13.0
           Status: Resolved  (was: Patch Available)

Committed to trunk. Thanks, Mohammad!
                
> Reduce or eliminate the expensive Schema equals() check for AvroSerde
> ---------------------------------------------------------------------
>
>                 Key: HIVE-4732
>                 URL: https://issues.apache.org/jira/browse/HIVE-4732
>             Project: Hive
>          Issue Type: Improvement
>          Components: Serializers/Deserializers
>            Reporter: Mark Wagner
>            Assignee: Mohammad Kamrul Islam
>             Fix For: 0.13.0
>
>         Attachments: HIVE-4732.1.patch, HIVE-4732.4.patch, HIVE-4732.5.patch, HIVE-4732.6.patch,
HIVE-4732.7.patch, HIVE-4732.v1.patch, HIVE-4732.v4.patch
>
>
> The AvroSerde spends a significant amount of time checking schema equality. Changing
to compare hashcodes (which can be computed once then reused) will improve performance.

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