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https://issues.apache.org/jira/browse/HADOOP-17918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17417147#comment-17417147
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Viraj Jasani commented on HADOOP-17918:
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Same limit applies to "seq.io.sort.mb" right?
> memory field in SequenceFile.Sorter java int overflow
> -----------------------------------------------------
>
> Key: HADOOP-17918
> URL: https://issues.apache.org/jira/browse/HADOOP-17918
> Project: Hadoop Common
> Issue Type: Bug
> Components: common
> Affects Versions: 3.3.1
> Reporter: yinan zhan
> Priority: Major
>
> memory field in SequenceFile.Sorter, can cause run method in
> SequenceFile.Sorter.SortPass enter an endless loop.
> If you set the "io.sort.mb" attribute to a value greater than 2050, as a
> result of
> {code:java}
> this.memory = conf.getInt(CommonConfigurationKeys.IO_SORT_MB_KEY,
> CommonConfigurationKeys.SEQ_IO_SORT_MB_DEFAULT) * 1024 * 1024;{code}
> , memory field java int overflow, may become negative, so memoryLimit field
> in SequenceFile.Sorter.SortPass will be negative too, lead to run method in
> SequenceFile.Sorter.SortPass enter an endless loop.
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