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HDFS-6848. Lack of synchronization on access to datanodeUuid in DataStorage#format. (Contributed by Xiaoyu Yao)

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arp 2014-09-03 17:17:06 -07:00
parent a18424e724
commit 3a0142bd77
2 changed files with 4 additions and 1 deletions
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3
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -587,6 +587,9 @@ Release 2.6.0 - UNRELEASED
HDFS-6942. Fix typos in log messages. (Ray Chiang via wheat9)
HDFS-6848. Lack of synchronization on access to datanodeUuid in
DataStorage#format(). (Xiaoyu Yao via Arpit Agarwal)
BREAKDOWN OF HDFS-6134 AND HADOOP-10150 SUBTASKS AND RELATED JIRAS
HDFS-6387. HDFS CLI admin tool for creating & deleting an

2
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataStorage.java
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@ -463,7 +463,7 @@ void format(StorageDirectory sd, NamespaceInfo nsInfo,
this.clusterID = nsInfo.getClusterID();
this.namespaceID = nsInfo.getNamespaceID();
this.cTime = 0;
this.datanodeUuid = datanodeUuid;
setDatanodeUuid(datanodeUuid);
if (sd.getStorageUuid() == null) {
// Assign a new Storage UUID.