IZ3282: Changed h_rt not effective for `qmod -rj` or checkpoint migration

[reuti]

[Imported from gridengine issuezilla ​http://gridengine.sunsource.net/issues/show_bug.cgi?id=3282]

        Issue #:      3282             Platform:     All      Reporter: reuti (reuti)
       Component:     gridengine          OS:        All
     Subcomponent:    qmaster          Version:      6.2u5       CC:    None defined
        Status:       NEW              Priority:     P3
      Resolution:                     Issue type:    DEFECT
                                   Target milestone: ---
      Assigned to:    ernst (ernst)
      QA Contact:     ernst
          URL:
       * Summary:     Changed h_rt not effective for `qmod -rj` or checkpoint migration
   Status whiteboard:
      Attachments:

     Issue 3282 blocks:
   Votes for issue 3282:


   Opened: Thu Sep 2 03:53:00 -0700 2010 
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When the limit for e.g. h_rt is changed for a running job by `qalter`, it should be honored the next time the job is restarted or migrated
(according to the `man qsub` for the "-l" option). This does not happen for h_rt (i.e. the SGE limit), although `qstat -j` shows the changed
limit. Changing something like h_vmem is working as expected for setting the ulimits at least though.

   ------- Additional comments from reuti Fri Sep 3 10:29:13 -0700 2010 -------
Submitting a copy of the job with `qresub` will use the new settings though.

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