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systemd: remove limit on fork() branching factor

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On distributions using systemd, a default limit on the number of
tasks allowed to be created from a given unit may be set by default
(e.g., on F24, "DefaultTasksAccounting=yes" and "DefaultTasksMax=512"
are set in /etc/systemd/system.conf. A large CORE simulation may well
exceed that limit, at least during startup when many (sub)shell
processes are generated using fork().

To avoid running into this limit, set "TasksMax=infinity" in the
core-daemon.service unit file template.

Signed-off-by: Gabriel Somlo <glsomlo@cert.org>
This commit is contained in:
Gabriel Somlo 2017-01-12 14:14:41 -05:00
parent a56c86b0e4
commit da33defa41
1 changed files with 1 additions and 0 deletions
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scripts/core-daemon.service.in
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@ -6,6 +6,7 @@ After=network.target
Type=forking
PIDFile=/var/run/core-daemon.pid
ExecStart=@PYTHON@ @SBINDIR@/core-daemon -d
TasksMax=infinity
[Install]
WantedBy=multi-user.target