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https://issues.apache.org/jira/browse/HADOOP-3442?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12602731#action_12602731
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szetszwo edited comment on HADOOP-3442 at 6/5/08 11:08 AM:
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I forgot >>> is unsigned right shift, so (p+r)>>>1 won't be overflow. However,
if p+r < 0, it is a problem.
was (Author: szetszwo):
I forgot >>> is unsigned right shift, so p+r won't be overflow. However,
if p+r < 0, it is a problem.
> QuickSort may get into unbounded recursion
> ------------------------------------------
>
> Key: HADOOP-3442
> URL: https://issues.apache.org/jira/browse/HADOOP-3442
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.17.0
> Reporter: Runping Qi
> Assignee: Chris Douglas
> Attachments: 3442-0.patch, 3442-0v17.patch, CheckSortBuffer.java,
> HADOOP-3442.patch, overflow.zip, spillbuffers.patch
>
>
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