mirror of
https://github.com/matrix-org/dendrite
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22 lines
900 B
Go
22 lines
900 B
Go
//go:build linux || darwin || netbsd || freebsd || openbsd || solaris || dragonfly || aix
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// +build linux darwin netbsd freebsd openbsd solaris dragonfly aix
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package base
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import (
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"syscall"
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"github.com/sirupsen/logrus"
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)
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func platformSanityChecks() {
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// Dendrite needs a relatively high number of file descriptors in order
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// to function properly, particularly when federating with lots of servers.
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// If we run out of file descriptors, we might run into problems accessing
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// PostgreSQL amongst other things. Complain at startup if we think the
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// number of file descriptors is too low.
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var rLimit syscall.Rlimit
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if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err == nil && rLimit.Cur < 65535 {
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logrus.Warnf("IMPORTANT: Process file descriptor limit is currently %d, it is recommended to raise the limit for Dendrite to at least 65535 to avoid issues", rLimit.Cur)
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}
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}
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