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https://issues.apache.org/jira/browse/YARN-9454?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siddharth Ahuja reassigned YARN-9454:
-------------------------------------
Assignee: Siddharth Ahuja
> Add detailed log about list applications command
> ------------------------------------------------
>
> Key: YARN-9454
> URL: https://issues.apache.org/jira/browse/YARN-9454
> Project: Hadoop YARN
> Issue Type: Improvement
> Reporter: Szilard Nemeth
> Assignee: Siddharth Ahuja
> Priority: Major
>
> When a user lists YARN applications with the RM admin CLI, we have one audit
> log here
> (https://github.com/apache/hadoop/blob/e40e2d6ad5cbe782c3a067229270738b501ed27e/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-resourcemanager/src/main/java/org/apache/hadoop/yarn/server/resourcemanager/ClientRMService.java#L924)
> However, a more extensive logging could be added.
> This is the call chain, when such a list command got executed (from bottom to
> top):
> {code:java}
> org.apache.hadoop.yarn.server.resourcemanager.ClientRMService#getApplications
> org.apache.hadoop.yarn.client.api.impl.YarnClientImpl#getApplications(java.util.Set<java.lang.String>,
> java.util.EnumSet<org.apache.hadoop.yarn.api.records.YarnApplicationState>,
> java.util.Set<java.lang.String>)
> ApplicationCLI.listApplications(Set<String>, EnumSet<YarnApplicationState>,
> Set<String>) (org.apache.hadoop.yarn.client.cli)
> ApplicationCLI.run(String[]) (org.apache.hadoop.yarn.client.cli)
> {code}
> org.apache.hadoop.yarn.server.resourcemanager.ClientRMService#getApplications:
> This is the place that fits perfectly for adding a more detailed log message
> about the request or the response (or both).
> In my opinion, a trace (or debug) level log would be great at the end of this
> method, logging the whole response, so any potential issues with the code can
> be troubleshot more easily.
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