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#! perl |
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|
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# restart server when certain resource limits are exceeded |
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|
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# TODO, CONF framework? |
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our $MAX_VMSIZE = $cf::CFG{checkrusage}{vmsize} || 1_000_000_000; |
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|
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$^O eq "linux" or die "only linux supported right now.\n"; |
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|
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our $STAT_FH; |
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our $TIMER; |
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|
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cf::post_init { |
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cf::async_ext { |
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$STAT_FH = Coro::AIO::aio_open "/proc/self/stat", IO::AIO::O_RDONLY, 0 |
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or return; |
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|
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$TIMER = cf::periodic 10, sub { |
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sysseek $STAT_FH, 0, 0; |
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sysread $STAT_FH, my $stat, 4096; # only a single line |
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my $vmsize = (split / /, $stat)[22]; |
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|
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cf::cleanup "memory usage growing high ($vmsize > $MAX_VMSIZE), server would run out of memory soon", 0 |
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if $vmsize >= $MAX_VMSIZE; |
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}; |
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}; |
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}; |
