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How do I increase the shared memory segment in FreeBSD?

April 26, 2017FreeBSD increase memory segment Shared

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How do I increase the shared memory segment in FreeBSD?

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To increase the shared memory segments on FreeBSD the following two sysctl’s should be added to the startup scripts (e.g. /etc/rc.

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To increase the shared memory segments on FreeBSD the following two sysctl’s should be added to the startup scripts (e.g. /etc/rc.local): sysctl -w kern.ipc.shmmax=67108864 sysctl -w kern.ipc.shmall=16384 the first sysctl allocates 64Mbytes of memory, the second does the same thing in 4k pages (4k * 16384 = 64M), you must set both sysctl.