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https://issues.apache.org/jira/browse/HADOOP-13702?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15596260#comment-15596260
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Hudson commented on HADOOP-13702:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10655 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10655/])
HADOOP-13702. Add instrumented ReadWriteLock. Contributed by Jingcheng
(cdouglas: rev ae8bccd5090d8b42dae9a8e0c13a9766a7c42ecb)
* (add)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/InstrumentedWriteLock.java
* (delete)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestInstrumentedLock.java
* (add)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/InstrumentedLock.java
* (add)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/InstrumentedReadLock.java
* (add)
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/InstrumentedReadWriteLock.java
* (add)
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestInstrumentedReadWriteLock.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/fsdataset/impl/FsDatasetImpl.java
* (delete)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/InstrumentedLock.java
* (add)
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/util/TestInstrumentedLock.java
> Add a new instrumented read-write lock
> --------------------------------------
>
> Key: HADOOP-13702
> URL: https://issues.apache.org/jira/browse/HADOOP-13702
> Project: Hadoop Common
> Issue Type: Improvement
> Components: common
> Reporter: Jingcheng Du
> Assignee: Jingcheng Du
> Fix For: 2.9.0, 3.0.0-alpha2
>
> Attachments: HADOOP-13702-V10.patch, HADOOP-13702-V6.patch,
> HADOOP-13702-V7.patch, HADOOP-13702-V8.patch, HADOOP-13702-V9.patch,
> HDFS-10924-2.patch, HDFS-10924-3.patch, HDFS-10924-4.patch,
> HDFS-10924-5.patch, HDFS-10924.patch
>
>
> Add a new instrumented read-write lock in hadoop common, so that the
> HDFS-9668 can use this to improve the locking in FsDatasetImpl
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