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Date: Fri, 13 Sep 2013 21:44:52 +0000 (UTC)
From: "Ashutosh Chauhan (JIRA)" <jira@apache.org>
To: hive-dev@hadoop.apache.org
Message-ID: <JIRA.12652761.1371164038970.132244.1379108692089@arcas>
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References: <JIRA.12652761.1371164038970@arcas>
Subject: [jira] [Commented] (HIVE-4732) Reduce or eliminate the expensive
 Schema equals() check for AvroSerde
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    [ https://issues.apache.org/jira/browse/HIVE-4732?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13767007#comment-13767007 ] 

Ashutosh Chauhan commented on HIVE-4732:
----------------------------------------

Can one of you upload the patch on jira, so that HIVE QA have a run on it?
                
> 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
>         Attachments: HIVE-4732.1.patch, HIVE-4732.v1.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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