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From Julien Aymé (JIRA) <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-5654) [patch] improve performance of JdbcDecimal.decompose
Date Tue, 18 Jun 2013 12:08:19 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-5654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13686626#comment-13686626
] 

Julien Aymé commented on CASSANDRA-5654:
----------------------------------------

Note: This issue already has been reported here: CASSANDRA-3837.
But the fix seems to have been lost since (not in branch cassandra-1.1, cassandra-1.2 and
trunk)
                
> [patch] improve performance of JdbcDecimal.decompose
> ----------------------------------------------------
>
>                 Key: CASSANDRA-5654
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5654
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.1.12, 1.2.5
>            Reporter: Julien Aymé
>            Priority: Minor
>         Attachments: cassandra-1.1-5654.diff
>
>
> JdbcDecimal.decompose creates a new byte array and copies byte per byte instead of doing
a bulk copying.
> This can lead to performance degradations when lots of calls are made.
> Patch will follow

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