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Linux: Increase the number of open file limit

20 Sep 2012
admin ulimit linux

shell:

su - root
ulimit -n 16384 # if root uses sh
limit descriptors 16384 # if root uses csh
su - your_user_name
program_to_run

http://research.cs.wisc.edu/condor/condorg/linux_scalability.html

Check the open FD limit for a given process:

cat /proc/23456/limits

http://unix.stackexchange.com/questions/31679/ulimit-pickle-operation-not-permitted-and-command-not-found