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HDFS-10617. PendingReconstructionBlocks.size() should be synchronized. Contributed by Eric Badger.

This commit is contained in:
Kihwal Lee 2016-07-13 21:59:35 -05:00
parent 728bf7f698
commit 2bbc3ea1b5
1 changed files with 3 additions and 1 deletions
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4
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/PendingReconstructionBlocks.java
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@ -134,7 +134,9 @@ class PendingReconstructionBlocks {
* The total number of blocks that are undergoing reconstruction. * The total number of blocks that are undergoing reconstruction.
*/ */
int size() { int size() {
return pendingReconstructions.size(); synchronized (pendingReconstructions) {
return pendingReconstructions.size();
}
} }
/** /**