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Article ID: 10 - Last Modified:

When running Jaguar or QSite calculations, I obtain the following warning in the log file. How can this be avoided?

libibverbs: Warning: RLIMIT_MEMLOCK is 32768 bytes.
This will severely limit memory registrations.

You can increase the limit for RLIMIT_MEMLOCK by adding the following command in the shell startup files.

For bash shells: ulimit -l unlimited

For C style shells (e.g., csh, tcsh): limit memorylocked unlimited

Keywords: Jaguar, QSite, libiverbs, RLIMIT_MEMLOCK, Open Mpi

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