diff options
Diffstat (limited to 'setup/base/sanity_unix.go')
| -rw-r--r-- | setup/base/sanity_unix.go | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/setup/base/sanity_unix.go b/setup/base/sanity_unix.go new file mode 100644 index 00000000..0c1543e0 --- /dev/null +++ b/setup/base/sanity_unix.go @@ -0,0 +1,22 @@ +//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) + } +} |