Category Archives: HPC

GridEngine TotD: Making an advance reservation for resources which aren’t currently available

Posted on October 21, 2010 by Kamil Kisiel

So you’re trying to set up an advance reservation for someone, something fairly simple such as: qrsub -u bob -N openmpi_test -pe openmpi 8 -l h_vmem=1G -d 500:0:0 However, due to the cluster being busy you get the error: error: … Continue reading →

Posted in HPC | Tagged , | View Comments

New OOM killer implementation in Linux 2.6.36

Posted on October 21, 2010 by Kamil Kisiel

As reported on Kernel Newbies, there is almost a complete rewrite of the Out Of Memory (OOM) killer algorithm in the recently-release 2.6.36 kernel. The LWN article “Another OOM killer rewrite” has a detailed explanation of the changes. The addition … Continue reading →

Posted in HPC, Linux, Sysadmin | Tagged , | View Comments