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Posted to yarn-issues@hadoop.apache.org by "ASF GitHub Bot (JIRA)" <ji...@apache.org> on 2017/08/02 00:20:00 UTC
[jira] [Commented] (YARN-6668) Use cgroup to get container resource
utilization
[ https://issues.apache.org/jira/browse/YARN-6668?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16110029#comment-16110029 ]
ASF GitHub Bot commented on YARN-6668:
--------------------------------------
Github user szegedim commented on a diff in the pull request:
https://github.com/apache/hadoop/pull/227#discussion_r130760729
--- Diff: hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/NodeManager.java ---
@@ -60,6 +60,7 @@
import org.apache.hadoop.yarn.server.api.records.NodeHealthStatus;
import org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManager;
import org.apache.hadoop.yarn.server.nodemanager.collectormanager.NMCollectorService;
+import org.apache.hadoop.yarn.server.api.records.OverAllocationInfo;
--- End diff --
Indeed. Thank you for the comment, I will fix this in the patch here: https://issues.apache.org/jira/browse/YARN-6668
> Use cgroup to get container resource utilization
> ------------------------------------------------
>
> Key: YARN-6668
> URL: https://issues.apache.org/jira/browse/YARN-6668
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: 3.0.0-alpha3
> Reporter: Haibo Chen
> Assignee: Miklos Szegedi
> Attachments: YARN-6668.000.patch, YARN-6668.001.patch
>
>
> Container Monitor relies on proc file system to get container resource utilization, which is not as efficient as reading cgroup accounting. We should in NM, when cgroup is enabled, read cgroup stats instead.
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