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https://issues.apache.org/jira/browse/HDFS-12314?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Oleg Danilov updated HDFS-12314:
--------------------------------
    Status: Patch Available  (was: Open)

> Typo in the TestDataNodeHotSwapVolumes.testAddOneNewVolume()
> ------------------------------------------------------------
>
>                 Key: HDFS-12314
>                 URL: https://issues.apache.org/jira/browse/HDFS-12314
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Oleg Danilov
>            Priority: Trivial
>         Attachments: HDFS-12314.patch
>
>
> Should be maxNumBlocks-minNumBlocks
> lines 410-414:
> {code:java}
>     for (BlockListAsLongs blockList : blockReports.get(0).values()) {
>       minNumBlocks = Math.min(minNumBlocks, blockList.getNumberOfBlocks());
>       maxNumBlocks = Math.max(maxNumBlocks, blockList.getNumberOfBlocks());
>     }
>     assertTrue(Math.abs(maxNumBlocks - maxNumBlocks) <= 1);
> {code}



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