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A typical OS imposed limit is 1024 open FD, which can bee too low when there are hundreds of concurrent voice calls. In systemd service file, set a super high limit of 65536. In osmo-mgw's user manual, add section 'Configure limits' describing this in detail. Related: OS#6256 Related: osmo-bsc I26c4058484b11ff1d035a919bf88824c3af14e71 Change-Id: I46512517bc3b5bb90cac7643e7ac73afba398d36
43 lines
1.5 KiB
Plaintext
43 lines
1.5 KiB
Plaintext
== Running OsmoMGW
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The OsmoMGW executable (`osmo-mgw`) offers the following command-line
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arguments:
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=== SYNOPSIS
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*osmo-mgw* [-h|-V] [-D] [-c 'CONFIGFILE'] [-s]
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=== OPTIONS
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*-h, --help*::
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Print a short help message about the supported options
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*-V, --version*::
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Print the compile-time version number of the program
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*-D, --daemonize*::
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Fork the process as a daemon into background.
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*-c, --config-file 'CONFIGFILE'*::
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Specify the file and path name of the configuration file to be
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used. If none is specified, use `osmo-mgw.cfg` in the current
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working directory.
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*-s, --disable-color*::
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Disable colors for logging to stderr. This has mostly been
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deprecated by VTY based logging configuration, see <<logging>>
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for more information.
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=== Configure limits
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When servicing hundreds of media endpoints, it may be necessary to adjust the
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operating system's limit on open file descriptors for the osmo-mgw process. A
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typical default limit imposed by operating systems is 1024; this would be
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exceeded by, for example, about 256 active voice calls with 4 RTP/RTPC ports
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each, sockets for other interfaces not considered yet.
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It should be ok to set an OS limit on open file descriptors as high as 65536
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for osmo-mgw, which practically rules out failure from running out of file
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descriptors anywhere (<16,000 active calls).
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When using systemd, the file descriptor limit may be adjusted in the service
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file by the `LimitNOFILE` setting ("Number of Open FILE descriptors"). OsmoMGW
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ships a systemd service file with a high LimitNOFILE setting.
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