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https://issues.apache.org/jira/browse/HADOOP-13702?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jingcheng Du updated HADOOP-13702:
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Attachment: HADOOP-13702-V7.patch
Upload a new patch V7 to address the comments from [~xiaochen]. Thanks.
# Move InstrumentedLock and TestInstrumentedLock to COMMON. Please be noted,
these classes are also in branch 2.8.0, and they are in HDFS there.
# Use InstrumentedReadLock and InstrumentedWriteLock to extend
InstrumentedLock, and remove the duplicated code.
Hi all, please take a look if this latest patch V7 is okay. Thanks.
> 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
> Attachments: HADOOP-13702-V6.patch, HADOOP-13702-V7.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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