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Posted to common-commits@hadoop.apache.org by cn...@apache.org on 2016/08/18 20:27:46 UTC
[44/50] [abbrv] hadoop git commit: HDFS-10773. BlockSender should not
synchronize on the dataset object. (Contributed by Chen Liang)
HDFS-10773. BlockSender should not synchronize on the dataset object. (Contributed by Chen Liang)
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo
Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/ca13e797
Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/ca13e797
Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/ca13e797
Branch: refs/heads/HADOOP-13345
Commit: ca13e7971d0db0705d5e36bcf03ead3cab5ab0d7
Parents: 2aa5e2c
Author: Arpit Agarwal <ar...@apache.org>
Authored: Wed Aug 17 16:29:08 2016 -0700
Committer: Arpit Agarwal <ar...@apache.org>
Committed: Wed Aug 17 16:29:08 2016 -0700
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.../java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
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http://git-wip-us.apache.org/repos/asf/hadoop/blob/ca13e797/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java
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diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java
index 398935d..7c3d778 100644
--- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java
+++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java
@@ -46,6 +46,7 @@ import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.ReadaheadPool.ReadaheadRequest;
import org.apache.hadoop.io.nativeio.NativeIO;
import org.apache.hadoop.net.SocketOutputStream;
+import org.apache.hadoop.util.AutoCloseableLock;
import org.apache.hadoop.util.DataChecksum;
import org.apache.htrace.core.TraceScope;
@@ -239,7 +240,7 @@ class BlockSender implements java.io.Closeable {
final Replica replica;
final long replicaVisibleLength;
- synchronized(datanode.data) {
+ try(AutoCloseableLock lock = datanode.data.acquireDatasetLock()) {
replica = getReplica(block, datanode);
replicaVisibleLength = replica.getVisibleLength();
}
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