[jira] [Assigned] (YARN-445) Ability to signal containers

2015-05-06 Thread Andrey Klochkov (JIRA) 

 [ 
https://issues.apache.org/jira/browse/YARN-445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Andrey Klochkov reassigned YARN-445:


Assignee: (was: Andrey Klochkov)

After I submitted the patch for this there were alternative proposals / patches 
discussed, so I'm unassigning myself from this jira.

 Ability to signal containers
 

 Key: YARN-445
 URL: https://issues.apache.org/jira/browse/YARN-445
 Project: Hadoop YARN
  Issue Type: Task
  Components: nodemanager
Reporter: Jason Lowe
  Labels: BB2015-05-TBR
 Attachments: MRJob.png, MRTasks.png, YARN-445--n2.patch, 
 YARN-445--n3.patch, YARN-445--n4.patch, 
 YARN-445-signal-container-via-rm.patch, YARN-445.patch, YARNContainers.png


 It would be nice if an ApplicationMaster could send signals to contaniers 
 such as SIGQUIT, SIGUSR1, etc.
 For example, in order to replicate the jstack-on-task-timeout feature 
 implemented by MAPREDUCE-1119 in Hadoop 0.21 the NodeManager needs an 
 interface for sending SIGQUIT to a container.  For that specific feature we 
 could implement it as an additional field in the StopContainerRequest.  
 However that would not address other potential features like the ability for 
 an AM to trigger jstacks on arbitrary tasks *without* killing them.  The 
 latter feature would be a very useful debugging tool for users who do not 
 have shell access to the nodes.



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[jira] [Assigned] (YARN-445) Ability to signal containers

2013-10-15 Thread Vinod Kumar Vavilapalli (JIRA) 

 [ 
https://issues.apache.org/jira/browse/YARN-445?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Vinod Kumar Vavilapalli reassigned YARN-445:


Assignee: Andrey Klochkov

 Ability to signal containers
 

 Key: YARN-445
 URL: https://issues.apache.org/jira/browse/YARN-445
 Project: Hadoop YARN
  Issue Type: Sub-task
  Components: nodemanager
Reporter: Jason Lowe
Assignee: Andrey Klochkov
 Attachments: YARN-445--n2.patch, YARN-445--n3.patch, 
 YARN-445--n4.patch, YARN-445.patch


 It would be nice if an ApplicationMaster could send signals to contaniers 
 such as SIGQUIT, SIGUSR1, etc.
 For example, in order to replicate the jstack-on-task-timeout feature 
 implemented by MAPREDUCE-1119 in Hadoop 0.21 the NodeManager needs an 
 interface for sending SIGQUIT to a container.  For that specific feature we 
 could implement it as an additional field in the StopContainerRequest.  
 However that would not address other potential features like the ability for 
 an AM to trigger jstacks on arbitrary tasks *without* killing them.  The 
 latter feature would be a very useful debugging tool for users who do not 
 have shell access to the nodes.



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