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Posted to common-dev@hadoop.apache.org by "Robert Chansler (JIRA)" <ji...@apache.org> on 2008/03/25 04:03:25 UTC

[jira] Updated: (HADOOP-2705) io.file.buffer.size should default to a value larger than 4k

     [ https://issues.apache.org/jira/browse/HADOOP-2705?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Chansler updated HADOOP-2705:
------------------------------------

    Fix Version/s:     (was: 0.17.0)

> io.file.buffer.size should default to a value larger than 4k
> ------------------------------------------------------------
>
>                 Key: HADOOP-2705
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2705
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: conf
>            Reporter: Chris Douglas
>            Assignee: Chris Douglas
>            Priority: Minor
>         Attachments: 2705-0.patch
>
>
> Tests using HADOOP-2406 suggest that increasing this to 32k from 4k improves read times for block, lzo compressed SequenceFiles by over 40%; 32k is a relatively conservative bump.

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