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shm_rampin /

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shm_rampin.c - http://code.tabo.pe/shm_rampin/

Copyright (c) 2009 Gustavo Picon

Locks/unlocks Linux shared memory segments in RAM, so they're never swapped. (This is linux only. In BSD, use sysctl kern.ipc.shm_use_phys)

Usage: shm_rampin [OPTIONS]

Options: -l locks shared memory segments -u unlocks shared memory segments -i <shmid> performs the action in a specific shmid (ipcs -m for a list) -U <user_name> performs the action in all the shmems that belong to a given user -h displays this help message

For instance to lock all the shared memory segments that belong to the postgres user in RAM:

shm_rampin -l -U postgres

And to unlock them:

shm_rampin -u -U postgres
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