| 1 |
#! perl |
| 2 |
|
| 3 |
# restart server when certain resource limits are exceeded |
| 4 |
|
| 5 |
use Unix::Getrusage; |
| 6 |
|
| 7 |
our $MAX_VMSIZE = $cf::CFG{checkrusage}{vmsize} || 1_000_000_000; |
| 8 |
|
| 9 |
$^O eq "linux" or die "only linux supported right now.\n"; |
| 10 |
|
| 11 |
Event->timer ( |
| 12 |
reentrant => 0, |
| 13 |
data => cf::WF_AUTOCANCEL, |
| 14 |
interval => 10, |
| 15 |
after => 10, |
| 16 |
cb => sub { |
| 17 |
open my $fh, "</proc/self/stat" |
| 18 |
or return; |
| 19 |
|
| 20 |
sysread $fh, my $stat, 4096; # only a single line |
| 21 |
my $vmsize = (split / /, $stat)[22]; |
| 22 |
|
| 23 |
cf::cleanup "memory usage growing high, server would run out of memory soon", 0 |
| 24 |
if $vmsize >= $MAX_VMSIZE; |
| 25 |
}, |
| 26 |
); |
