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