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Currently the largest possible Job ID which PBS can hold is "9999999". Which is a bit low for sites submitting lot of jobs. With new enhancement the largest possible Job ID that PBS would now hold will be "999999999999". Thus the range will be (0 to 999999999999) with a total of 1 trillion unique job IDs. 

• Interface 1: max_job_sequence_idserver attribute

  • Visibility: Public
  • Change Control: Stable
  • Details: Using this attribute admin can change max job sequence id in the server. Once job sequence id reach this value reaches to the max value(999999999999) then server will rollback the job sequence id to 0 for next sequence id (i.e next job or reservation id). Default value of this the attribute will be 9999999. Max value for the attribute should be <= 999999999999 . and Min value for this attribute should be > 0.
  • Log/Error messages:
    • When non privileged user try to set max_job_sequence_id then following error message will be displayed by qmgr:
      • qmgr obj= svr=default: Unauthorized Request 
        qmgr: Error (15007) returned from server
    • When admin try to set invalid value for max_job_sequence_id then following error message will be displayed by qmgr:

      • qmgr obj= svr=default: Illegal attribute or resource value
        qmgr: Error (15014) returned from server

    • Following log message will be added to server logs when admin sets max_job_sequence_id:
      • Log event: PBSEVENT_ADMIN
      • Log level: LOG_NOTICE
      • Log message:svrmax_maxjob_sequence_id set to val <value>
    • Following log message will be added to server logs when admin unset max_job_sequence_id:
      • Log event: PBSEVENT_ADMIN
      • Log level: LOG_NOTICE
      • Log message:svrmax_maxjob_sequence_id reverting back to default val <value>

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