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Posted to dev@hive.apache.org by "Tim Armstrong (JIRA)" <ji...@apache.org> on 2011/08/19 19:30:27 UTC

[jira] [Updated] (HIVE-2396) RCFileReader Buffer Reuse

     [ https://issues.apache.org/jira/browse/HIVE-2396?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Armstrong updated HIVE-2396:
--------------------------------

    Attachment: rcfile_bufreuse.java

> RCFileReader Buffer Reuse
> -------------------------
>
>                 Key: HIVE-2396
>                 URL: https://issues.apache.org/jira/browse/HIVE-2396
>             Project: Hive
>          Issue Type: Improvement
>          Components: Query Processor
>    Affects Versions: 0.8.0
>            Reporter: Tim Armstrong
>            Assignee: Tim Armstrong
>            Priority: Minor
>             Fix For: 0.8.0
>
>         Attachments: rcfile_bufreuse.java
>
>
> Minor tweak to RCFile$Reader which improves read performance by reusing value buffers.  This reduces object allocation.
> Depends on HIVE-2350

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