MemoryUsage > 0.9*int(MATCH_EXP_MachineMemoryString)
{endcode}
+{subsection: How to automatically increase request_memory of a held job}
+
+Lets say I have a job with request_memory = 256 Megabytes, but if I go over it will get held according to my SYSTEM_PERIODIC_HOLD policy. I would like to
+automatically triple the request_memory and then release the job. A setup to do precisely this {link: https://lists.cs.wisc.edu/archive/htcondor-users/2013-December/msg00128.shtml was posted on the htcondor-users email list}.
+
{subsection: How to place a hard limit on memory usage by a job in unix}
HTCondor doesn't currently provide a configuration setting for this, but you can write your own wrapper script that runs before the job and sets resource limits that are enforced by the operating system. Here is what you put in the configuration file of your execute machines:
