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Posted to commits@cassandra.apache.org by "Dave Brosius (Updated) (JIRA)" <ji...@apache.org> on 2012/04/14 06:15:49 UTC

[jira] [Updated] (CASSANDRA-4152) cache the hashcode of DecoratedKey as it is immutable

     [ https://issues.apache.org/jira/browse/CASSANDRA-4152?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Dave Brosius updated CASSANDRA-4152:
------------------------------------

    Attachment: cache_decoratedkey_hash.diff
    
> cache the hashcode of DecoratedKey as it is immutable
> -----------------------------------------------------
>
>                 Key: CASSANDRA-4152
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4152
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Dave Brosius
>            Priority: Trivial
>         Attachments: cache_decoratedkey_hash.diff
>
>
> cache the hashcode of the DecoratedKey on first hashCode() call. DecoratedKey is immutable so no need to run thru all ByteBuffer bytes of the key and do hashcode math. 
> applied to trunk.

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