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Merge 1550570 from trunk to branch-2 for HADOOP-8753. LocalDirAllocator throws ArithmeticException: divide by zero when there is no available space on configured local dir. Contributed by Benoy Antony. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/branch-2@1550571 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Hitesh Shah 2013-12-12 22:57:40 +00:00
parent 3033fad821
commit 35bf9069ce
2 changed files with 7 additions and 0 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -178,6 +178,9 @@ Release 2.4.0 - UNRELEASED
TestFileContextResolveAfs and TestStat in branch-2 (Mit Desai via Colin
Patrick McCabe)
HADOOP-8753. LocalDirAllocator throws "ArithmeticException: / by zero" when
there is no available space on configured local dir. (Benoy Antony via hitesh)
Release 2.3.0 - UNRELEASED
INCOMPATIBLE CHANGES

4
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/fs/LocalDirAllocator.java
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@ -362,6 +362,10 @@ public synchronized Path getLocalPathForWrite(String pathStr, long size,
totalAvailable += availableOnDisk[i];
}
if (totalAvailable == 0){
throw new DiskErrorException("No space available in any of the local directories.");
}
// Keep rolling the wheel till we get a valid path
Random r = new java.util.Random();
while (numDirsSearched < numDirs && returnPath == null) {