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https://issues.apache.org/jira/browse/HADOOP-19820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18086832#comment-18086832
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ASF GitHub Bot commented on HADOOP-19820:
-----------------------------------------
pan3793 commented on code in PR #8534:
URL: https://github.com/apache/hadoop/pull/8534#discussion_r3370636202
##########
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/balancer/TestBalancerLongRunningTasks.java:
##########
@@ -110,6 +110,7 @@ public void shutdown() throws Exception {
cluster.shutdown();
cluster = null;
}
+ DefaultMetricsSystem.shutdown();
Review Comment:
make sense, adopted
> Uber-JIRA: CI and Test Improvements
> -----------------------------------
>
> Key: HADOOP-19820
> URL: https://issues.apache.org/jira/browse/HADOOP-19820
> Project: Hadoop Common
> Issue Type: Improvement
> Components: build, test, yetus
> Affects Versions: 3.5.0
> Reporter: Aaron Fabbri
> Assignee: Aaron Fabbri
> Priority: Major
> Labels: pull-request-available
>
> Epic to organize all tasks related to CI performance and quality of life
> (QoL) improvements. Some areas that need love:
> h2. UX / DevEx
> * Easier to navigate to CI failure root cause.
> * Less noise comments in issues / PRs.
> h2. Stability
> * Fix or replace flaky tests.
> h2. Speed
> Faster execution time. We occasionally are blocked on CI runs that take over
> 24 hours:
> [https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-8225/8/]
> Other runs tend to take ~3 hours. Ideally CI should be as fast as possible
> (10-30 minutes is ideal, if unrealistic).
> h2. Coverage
> Reduce manual testing steps, e.g. for cloud storage connectors.
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