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Hive and Phoenix Scheduler Configuration Change

This entry was posted by on Wednesday, 22 September, 2021 at

Dear PACE Researchers, 

We would like to announce an upcoming change to the scheduler configuration on the Phoenix and Hive clusters at 9:00 AM on Thursday, September 23rd. This change should improve the scheduler performance given the large number of jobs executed by our users. 

What will PACE be doing: PACE will reduce the retention time for job-specific logs from 24 hours to 6 hours after job completion.  Reducing the amount of job information the scheduler needs to process regularly should provide a more stable and faster job submission environment. Additionally, the downtime associated with scheduler restarts should improve, as job ingestion time will be reduced accordingly.  

Who does this message impact: Any user who attempts to use qstat for a job more than 6 hours after completion will be unable to do so moving forward. In addition to the scheduler job STDOUT/STDERR files, job statistics for completed jobs on Phoenix and Hive can be queried at https://pbstools-coda.pace.gatech.edu. 

What PACE will continue to do: We will monitor the clusters for issues during and after the configuration change to assess any immediate impacts from the update. We will continue to assess the scheduler health to ensure a stable job submission environment. 

As always, please contact us at pace-support@oit.gatech.edu with any questions or concerns regarding this change. 

Best Regards, 
The PACE Team

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