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authorLennart Poettering <lennart@poettering.net>2016-07-19 17:19:58 +0200
committerLennart Poettering <lennart@poettering.net>2016-07-22 15:33:13 +0200
commitc06eec15d5816236c11e35b35e444f62f37b6ef6 (patch)
treedf56cc996e476aeff44fc01e4d32432fc9178051 /src/core
parent84af7821b65ad11417ac2984717cf42a3655fcd7 (diff)
logind: change TasksMax= value for user logins to 33%
Let's change from a fixed value of 12288 tasks per user to a relative value of 33%, which with the kernel's default of 32768 translates to 10813. This is a slight decrease of the limit, for no other reason than "33%" sounding like a nice round number that is close enough to 12288 (which would translate to 37.5%). (Well, it also has the nice effect of still leaving a bit of room in the PID space if there are 3 cooperating evil users that try to consume all PIDs... Also, I like my bikesheds blue). Since the new value is taken relative, and machined's TasksMax= setting defaults to 16384, 33% inside of containers is usually equivalent to 5406, which should still be ample space. To summarize: | on the host | in the container old default | 12288 | 12288 new default | 10813 | 5406
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