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dendrite/setup/base/sanity_unix.go
Neil Alexander 01d71a767d
Platform sanity checks (#2271)
* Platform sanity checks

* Don't yell about `root` because Docker
2022-03-11 17:27:12 +00:00

22 lines
900 B
Go

//go:build linux || darwin || netbsd || freebsd || openbsd || solaris || dragonfly || aix
// +build linux darwin netbsd freebsd openbsd solaris dragonfly aix
package base
import (
"syscall"
"github.com/sirupsen/logrus"
)
func platformSanityChecks() {
// Dendrite needs a relatively high number of file descriptors in order
// to function properly, particularly when federating with lots of servers.
// If we run out of file descriptors, we might run into problems accessing
// PostgreSQL amongst other things. Complain at startup if we think the
// number of file descriptors is too low.
var rLimit syscall.Rlimit
if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit); err == nil && rLimit.Cur < 65535 {
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)
}
}