[ http://issues.apache.org/jira/browse/HADOOP-287?page=all ]
Benjamin Reed updated HADOOP-287:
---------------------------------
Attachment: s.patch
> Speed up SequenceFile sort with memory reduction
> ------------------------------------------------
>
> Key: HADOOP-287
> URL: http://issues.apache.org/jira/browse/HADOOP-287
> Project: Hadoop
> Issue Type: Improvement
> Components: io
> Affects Versions: 0.3.2
> Reporter: Benjamin Reed
> Assigned To: Doug Cutting
> Attachments: 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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