[asterisk-users] Help choosing the right card

[Benny Amorsen]

Vladimir Mikhelson <vlad at mikhelson.com> writes:

> But interestingly enough, yesterday morning I had zero (0) bytes in the
> swap file and still experienced missing DTMF detection on an outgoing
> call.

Executables do not get written to swap, their pages just get discarded
under pressure, and reloaded directly from their original location on
disk.

The only way to ensure that Asterisk always stays in memory is to use
the mlockall() system call; doing that would require patching Asterisk.


/Benny