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https://issues.apache.org/jira/browse/HADOOP-287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Douglas updated HADOOP-287:
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    Status: Open  (was: Patch Available)

Deveraj-
Ah, I see. Thanks for the direction. As part of adding QuickSort, would it be 
worthwhile to explicitly deprecate some of the dead code in SequenceFile? Is 
anyone aware of other projects that might be using it?

> Speed up SequenceFile sort with memory reduction
> ------------------------------------------------
>
>                 Key: HADOOP-287
>                 URL: https://issues.apache.org/jira/browse/HADOOP-287
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: io
>    Affects Versions: 0.17.0
>            Reporter: Benjamin Reed
>            Assignee: Doug Cutting
>         Attachments: 287-0.patch, 287-1.patch, s.patch, zoom-sort.patch, 
> zoom-sort.patch
>
>
> I replaced the merge sort with a quick sort and it yielded approx 30% 
> improvement in sort time. It also reduced the memory requirement for sorting 
> because the sort is done in place.

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