Category Archives: JHPCE Announcements

Dear JHPCE community, There is going to be a scheduled downtime for the JHPCE cluster from Friday, April 21 starting at 5:00 PM and going until Monday, May 1st at 5:00 PM.  The ARCH/Bayview Colocation facility will be down for … Continue reading →

Dear JHPCE community, We will be upgrading the Globus Server software on the JHPCE cluster this Saturday evening, December 10th, starting at 9:00 PM.  We expect that the upgrade will take 1 hour to complete.  During the upgrade, the Globus … Continue reading →

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 →

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 →

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 →

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 →

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.

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 →

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 →

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 →