HDFS-12137. DN dataset lock should be fair. Contributed by Daryn Sharp.
Project: http://git-wip-us.apache.org/repos/asf/hadoop/repo Commit: http://git-wip-us.apache.org/repos/asf/hadoop/commit/8d86a939 Tree: http://git-wip-us.apache.org/repos/asf/hadoop/tree/8d86a939 Diff: http://git-wip-us.apache.org/repos/asf/hadoop/diff/8d86a939 Branch: refs/heads/HDFS-7240 Commit: 8d86a93915ee00318289535d9c78e48b75c8359d Parents: a29fe10 Author: Kihwal Lee <kih...@apache.org> Authored: Fri Jul 14 15:41:43 2017 -0500 Committer: Kihwal Lee <kih...@apache.org> Committed: Fri Jul 14 15:41:43 2017 -0500 ---------------------------------------------------------------------- .../hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java | 2 ++ 1 file changed, 2 insertions(+) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/hadoop/blob/8d86a939/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java ---------------------------------------------------------------------- diff --git a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java index 208d554..2544ff5 100644 --- a/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java +++ b/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java @@ -39,6 +39,7 @@ import java.util.Set; import java.util.concurrent.ConcurrentHashMap; import java.util.concurrent.Executor; import java.util.concurrent.locks.Condition; +import java.util.concurrent.locks.ReentrantLock; import java.util.concurrent.TimeUnit; import javax.management.NotCompliantMBeanException; @@ -270,6 +271,7 @@ class FsDatasetImpl implements FsDatasetSpi<FsVolumeImpl> { this.smallBufferSize = DFSUtilClient.getSmallBufferSize(conf); this.datasetLock = new AutoCloseableLock( new InstrumentedLock(getClass().getName(), LOG, + new ReentrantLock(true), conf.getTimeDuration( DFSConfigKeys.DFS_LOCK_SUPPRESS_WARNING_INTERVAL_KEY, DFSConfigKeys.DFS_LOCK_SUPPRESS_WARNING_INTERVAL_DEFAULT, --------------------------------------------------------------------- To unsubscribe, e-mail: common-commits-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-commits-h...@hadoop.apache.org