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https://issues.apache.org/jira/browse/HADOOP-18373?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17576659#comment-17576659
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ASF GitHub Bot commented on HADOOP-18373:
-----------------------------------------
steveloughran commented on code in PR #4705:
URL: https://github.com/apache/hadoop/pull/4705#discussion_r940034319
##########
hadoop-tools/hadoop-aws/src/test/resources/core-site.xml:
##########
@@ -178,6 +178,12 @@
<value>true</value>
</property>
+ <!
> IOStatisticsContext tuning
> --------------------------
>
> Key: HADOOP-18373
> URL: https://issues.apache.org/jira/browse/HADOOP-18373
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs/s3, test
> Affects Versions: 3.3.9
> Reporter: Steve Loughran
> Assignee: Viraj Jasani
> Priority: Minor
> Labels: pull-request-available
> Time Spent: 1h
> Remaining Estimate: 0h
>
> Tuning of the IOStatisticsContext code
> h2. change property name to fs.iostatistics....
> there are other fs.iostatistics options, the new one needs consistent naming
> h2. enable in hadoop-aws
> edit core-site.xml in hadoop-aws/test/resources to always collect context
> iOStatistics
> This helps qualify the code
> {code}
> <property>
> <name>fs.thread.level.iostatistics.enabled</name>
> <value>true</value>
> </property>
> {code}
> h3. IOStatisticsContext to add add static probe to see if it is enabled.
> lets apps know not to bother collecting/reporting
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