[jira] [Commented] (YARN-9733) Method getCpuUsagePercent in Class ProcfsBasedProcessTree return 0 when subprocess of container dead
[ https://issues.apache.org/jira/browse/YARN-9733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16903658#comment-16903658 ] qian han commented on YARN-9733: Thanks > Method getCpuUsagePercent in Class ProcfsBasedProcessTree return 0 when > subprocess of container dead > > > Key: YARN-9733 > URL: https://issues.apache.org/jira/browse/YARN-9733 > Project: Hadoop YARN > Issue Type: Bug >Reporter: qian han >Assignee: qian han >Priority: Major > > The method getTotalProcessJiffies only gets jiffies for running processes not > dead processes. > For example, process pid100 and its children pid200 and pid300. > We call getCpuUsagePercent the first time, assume that pid100 has a jiffies > 1000, pid200 2000 and pid300 3000. The totalProcessJiffies1 is 6000. > And We kill pid300. Then we call getCpuUsagePercent the second time, assume > that pid100 has a jiffies 1100, pid200 2200. The totalProcessJiffies2 is 3300. > So we got a cpu usage percent 0. > I would like to fix this bug. -- This message was sent by Atlassian JIRA (v7.6.14#76016) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Commented] (YARN-9733) Method getCpuUsagePercent in Class ProcfsBasedProcessTree return 0 when subprocess of container dead
[ https://issues.apache.org/jira/browse/YARN-9733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16903612#comment-16903612 ] Weiwei Yang commented on YARN-9733: --- Sure, added you as a contributor, assigned this issue to you. Thx. > Method getCpuUsagePercent in Class ProcfsBasedProcessTree return 0 when > subprocess of container dead > > > Key: YARN-9733 > URL: https://issues.apache.org/jira/browse/YARN-9733 > Project: Hadoop YARN > Issue Type: Bug >Reporter: qian han >Assignee: qian han >Priority: Major > > The method getTotalProcessJiffies only gets jiffies for running processes not > dead processes. > For example, process pid100 and its children pid200 and pid300. > We call getCpuUsagePercent the first time, assume that pid100 has a jiffies > 1000, pid200 2000 and pid300 3000. The totalProcessJiffies1 is 6000. > And We kill pid300. Then we call getCpuUsagePercent the second time, assume > that pid100 has a jiffies 1100, pid200 2200. The totalProcessJiffies2 is 3300. > So we got a cpu usage percent 0. > I would like to fix this bug. -- This message was sent by Atlassian JIRA (v7.6.14#76016) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
[jira] [Commented] (YARN-9733) Method getCpuUsagePercent in Class ProcfsBasedProcessTree return 0 when subprocess of container dead
[ https://issues.apache.org/jira/browse/YARN-9733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=16903608#comment-16903608 ] qian han commented on YARN-9733: [~Weiwei Yang] please make me as a contributor. I'll contribute to this issue. Thank you. > Method getCpuUsagePercent in Class ProcfsBasedProcessTree return 0 when > subprocess of container dead > > > Key: YARN-9733 > URL: https://issues.apache.org/jira/browse/YARN-9733 > Project: Hadoop YARN > Issue Type: Bug >Reporter: qian han >Priority: Major > > The method getTotalProcessJiffies only gets jiffies for running processes not > dead processes. > For example, process pid100 and its children pid200 and pid300. > We call getCpuUsagePercent the first time, assume that pid100 has a jiffies > 1000, pid200 2000 and pid300 3000. The totalProcessJiffies1 is 6000. > And We kill pid300. Then we call getCpuUsagePercent the second time, assume > that pid100 has a jiffies 1100, pid200 2200. The totalProcessJiffies2 is 3300. > So we got a cpu usage percent 0. > I would like to fix this bug. -- This message was sent by Atlassian JIRA (v7.6.14#76016) - To unsubscribe, e-mail: yarn-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: yarn-issues-h...@hadoop.apache.org
