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https://issues.apache.org/jira/browse/HDFS-11722?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15995946#comment-15995946
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Hudson commented on HDFS-11722:
-------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #11682 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/11682/])
HDFS-11722. Change Datanode file IO profiling sampling to percentage. (arp: rev
81092b1f1193cb0d4208960b51ab4ffaddeafe01)
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DNConf.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNameNodeStatusMXBean.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/FileIoProvider.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestSlowDiskTracker.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSConfigKeys.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/ProfilingFileIoEvents.java
* (edit) hadoop-common-project/hadoop-common/src/site/markdown/Metrics.md
* (edit) hadoop-hdfs-project/hadoop-hdfs/src/main/resources/hdfs-default.xml
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeMXBean.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestDataNodeVolumeMetrics.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/common/Util.java
* (edit)
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/tools/TestHdfsConfigFields.java
> Change Datanode file IO profiling sampling to percentage
> --------------------------------------------------------
>
> Key: HDFS-11722
> URL: https://issues.apache.org/jira/browse/HDFS-11722
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: hdfs
> Reporter: Hanisha Koneru
> Assignee: Hanisha Koneru
> Fix For: 2.9.0, 3.0.0-alpha3
>
> Attachments: HDFS-11722.001.patch, HDFS-11722.002.patch
>
>
> Datanode disk IO profiling sampling is controlled by the setting
> _dfs.datanode.fileio.profiling.sampling.fraction_. Instead of fraction, we
> can a percentage value to make it easier to set.
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