Category Archives: JHPCE Announcements

Please be judicious in your use of the email option in qsub

One commonly used feature on the JHPCE cluster is the “send me an email when my job completes” option in SGE. This option can be enabled by adding the “-m e -M EMAIL@ADDRESS.COM” options to your qsub command. $ qsub … Continue reading

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JHPCE Cluster to be unavailable from April 11th – April 15th for scheduled preventative maintenance on the HVAC equipment

The JHPCE cluster will be unavailable from April 11th – April 15th in order to accommodate scheduled preventative maintenance to be done on the HVAC system at the MARCC datacenter. We are planning to take the JHPCE cluster down beginning at … Continue reading

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Setting per-user job limit on JHPCE cluster

As of June 17th, 2021, we are imposing a limit of 10,000 submitted jobs per user. Previously, there had been no limit, and this has caused issues in the past where the cluster scheduler was overloaded when there were 100s … Continue reading

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COVID-19 Information for the JHPCE cluster

Dear JHPCE community, In the wake of the recent JHU announcements regarding COVID-19, we would like address concerns raised regarding the JHPCE cluster. Operationally there will be no changes for the JHPCE cluster. The JHPCE management and administrative personnel will … Continue reading

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JHPCE Website Maintenance

The JHPCE website (https://jhpce.jhu.edu) will be offline for a complete site migration starting at 6:00 PM on Tuesday January 15th.  Estimated downtime will be two hours.  We apologize for any inconvenience this may cause.

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Memory usage on the JHPCE cluster, and availability of the “gedit” editor

Dear JHPCE community, As part of our continuing efforts to more efficiently utilize RAM on the JHPCE cluster, we will be making a couple of changes to the current cluster configuration.  Our analysis of jobs run over the last year … Continue reading

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Memory usage and good citizenship

On a shared machine such as the JHPCE cluster, it is important for everyone to use the resources wisely to avoid congestion and to maximize resources for everyone. Please be a good citizen and use memory wisely. Here are three … Continue reading

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Availability of RStudio on the JHPCE cluster

We recently installed the RStudio graphical R Integrated Development Environment (IDE) on the JHPCE cluster. Some people find the RStudio program helpful in organizing R projects, and writing and debugging R programs.  For more detailed instructions on using RStudio, please … Continue reading

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JHPCE Cluster Downtime – Oct 17 – 19

We have just been informed that there is going to be power work performed at the Bayview/MARCC facility from October 17 – October 19th.  We will need to power down the JHPCE cluster for this work, so JHPCE the cluster … Continue reading

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