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https://issues.apache.org/jira/browse/YARN-3122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anubhav Dhoot updated YARN-3122:
--------------------------------
Attachment: YARN-3122.prelim.patch
[ ]# stress -c 3 &
[1] 1778
[ ]# stress: info: [1778] dispatching hogs: 3 cpu, 0 io, 0 vm, 0 hdd
[ ]# top -n 1 -p 1778 -p 1779 -p 1780 -p 1781 | grep stress
1779 root 20 0 6516 192 100 R 99.8 0.0 1:35.90 stress
1780 root 20 0 6516 192 100 R 99.8 0.0 1:36.04 stress
1781 root 20 0 6516 192 100 R 99.8 0.0 1:35.87 stress
1778 root 20 0 6516 556 468 S 0.0 0.0 0:00.00 stress
[ ]# java org.apache.hadoop.yarn.util.ProcfsBasedProcessTree 1779
Number of processors 4
Creating ProcfsBasedProcessTree for process 1779
|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS)
SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
|- 1779 1778 1778 595 (stress) 59492 7 6672384 48 stress -c 3
Get cpu usage -1.0
|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS)
SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
|- 1779 1778 1778 595 (stress) 59553 7 6672384 48 stress -c 3
Get cpu usage 24.091627
[ ]# java org.apache.hadoop.yarn.util.ProcfsBasedProcessTree 1778
Number of processors 4
Creating ProcfsBasedProcessTree for process 1778
|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS)
SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
|- 1779 1778 1778 595 (stress) 60692 8 6672384 48 stress -c 3
|- 1781 1778 1778 595 (stress) 60741 6 6672384 48 stress -c 3
|- 1780 1778 1778 595 (stress) 60729 5 6672384 48 stress -c 3
|- 1778 628 1778 595 (stress) 0 0 6672384 139 stress -c 3
Get cpu usage -1.0
|- PID PPID PGRPID SESSID CMD_NAME USER_MODE_TIME(MILLIS)
SYSTEM_TIME(MILLIS) VMEM_USAGE(BYTES) RSSMEM_USAGE(PAGES) FULL_CMD_LINE
|- 1779 1778 1778 595 (stress) 60750 8 6672384 48 stress -c 3
|- 1781 1778 1778 595 (stress) 60801 6 6672384 48 stress -c 3
|- 1780 1778 1778 595 (stress) 60786 5 6672384 48 stress -c 3
|- 1778 628 1778 595 (stress) 0 0 6672384 139 stress -c 3
Get cpu usage 72.553894
> Metrics for container's actual CPU usage
> ----------------------------------------
>
> Key: YARN-3122
> URL: https://issues.apache.org/jira/browse/YARN-3122
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: 2.6.0
> Reporter: Anubhav Dhoot
> Assignee: Anubhav Dhoot
> Attachments: YARN-3122.prelim.patch, YARN-3122.prelim.patch
>
>
> It would be nice to capture resource usage per container, for a variety of
> reasons. This JIRA is to track CPU usage.
> YARN-2965 tracks the resource usage on the node, and the two implementations
> should reuse code as much as possible.
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