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https://issues.apache.org/jira/browse/HADOOP-13202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15383368#comment-15383368
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Kai Sasaki commented on HADOOP-13202:
-------------------------------------
[~ajisakaa] Thank you so much!
> Avoid possible overflow in org.apache.hadoop.util.bloom.BloomFilter#getNBytes
> -----------------------------------------------------------------------------
>
> Key: HADOOP-13202
> URL: https://issues.apache.org/jira/browse/HADOOP-13202
> Project: Hadoop Common
> Issue Type: Bug
> Components: util
> Affects Versions: 2.7.2
> Reporter: zhengbing li
> Assignee: Kai Sasaki
> Fix For: 2.8.0, 2.7.4, 3.0.0-alpha2
>
> Attachments: HADOOP-13202.01.patch, HADOOP-13202.02.patch,
> HADOOP-13202.03.patch
>
> Original Estimate: 1h
> Remaining Estimate: 1h
>
> Current implementation:
> return (vectorSize + 7) / 8;
> when vectorSize is 2147483647（the max value of Int), error
> :"java.lang.NegativeArraySizeException" will report
> the implementation might be changed
> return (int)(((long)vectorSize + 7) / 8);
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