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HDFS-7065. Pipeline close recovery race can cause block corruption. 

Contributed by Kihwal Lee.
(cherry picked from commit bf27b9ca57)
This commit is contained in:
Kihwal Lee 2014-09-19 09:01:27 -05:00
parent 2a6c9f0725
commit 35fccfda3e
2 changed files with 3 additions and 1 deletions
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2
hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
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@ -440,6 +440,8 @@ Release 2.6.0 - UNRELEASED
HDFS-6840. Clients are always sent to the same datanode when read HDFS-6840. Clients are always sent to the same datanode when read
is off rack. (wang) is off rack. (wang)
HDFS-7065. Pipeline close recovery race can cause block corruption (kihwal)
BREAKDOWN OF HDFS-6134 AND HADOOP-10150 SUBTASKS AND RELATED JIRAS BREAKDOWN OF HDFS-6134 AND HADOOP-10150 SUBTASKS AND RELATED JIRAS
HDFS-6387. HDFS CLI admin tool for creating & deleting an 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/fsdataset/impl/FsDatasetImpl.java
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@ -904,7 +904,7 @@ class FsDatasetImpl implements FsDatasetSpi<FsVolumeImpl> {
} }
@Override // FsDatasetSpi @Override // FsDatasetSpi
public String recoverClose(ExtendedBlock b, long newGS, public synchronized String recoverClose(ExtendedBlock b, long newGS,
long expectedBlockLen) throws IOException { long expectedBlockLen) throws IOException {
LOG.info("Recover failed close " + b); LOG.info("Recover failed close " + b);
// check replica's state // check replica's state