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Comparing deliantra/server/ext/map-scheduler.ext (file contents):
Revision 1.43 by root, Wed Sep 19 21:57:26 2007 UTC vs.
Revision 1.46 by root, Wed Nov 14 08:09:46 2007 UTC

4# the reset/swap policy of the server. 4# the reset/swap policy of the server.
5# it also contains the map prefetching logic 5# it also contains the map prefetching logic
6 6
7#our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu 7#our $DEACTIVATE_TIMEOUT = 20; # number of seconds after which maps get deactivated to save cpu
8our $SWAP_TIMEOUT = $cf::CFG{swap_timeout} || 300; # number of seconds after which inactive maps get swapped out 8our $SWAP_TIMEOUT = $cf::CFG{swap_timeout} || 300; # number of seconds after which inactive maps get swapped out
9our $SCHEDULE_INTERVAL = $cf::CFG{schedule_interval} || .8; # time the map scheduler sleeps between runs 9our $SCHEDULE_INTERVAL = $cf::CFG{schedule_interval} || 2; # time the map scheduler sleeps between runs
10our $SAVE_TIMEOUT = $cf::CFG{save_timeout} || 30; # save maps every n seconds 10our $SAVE_TIMEOUT = $cf::CFG{save_timeout} || 30; # save maps every n seconds
11our $SWAP_LOAD1 = $cf::CFG{swap_load1} || .1; # start aggressively swapping at this load 11our $SWAP_LOAD1 = $cf::CFG{swap_load1} || .1; # start aggressively swapping at this load
12our $SWAP_LOAD2 = $cf::CFG{swap_load2} || .4; # swap as fast as possible at this load 12our $SWAP_LOAD2 = $cf::CFG{swap_load2} || .4; # swap as fast as possible at this load
13 13
14cf::async_ext { 14cf::async_ext {
52 } 52 }
53}; 53};
54 54
55our $SCHEDULER = cf::async_ext { 55our $SCHEDULER = cf::async_ext {
56 $Coro::current->{desc} = "map scheduler"; 56 $Coro::current->{desc} = "map scheduler";
57 my $timer = Coro::Event->timer (after => 1); 57 $Coro::current->prio (Coro::PRIO_MAX);
58 58
59 while () { 59 while () {
60 $timer->interval ($SCHEDULE_INTERVAL); 60 if ($cf::LOADAVG > $SWAP_LOAD2) {
61 $timer->next unless $cf::LOADAVG > $SWAP_LOAD2; 61 Coro::EV::timer_once 0.05;
62 cf::wait_for_tick;
63 } else {
64 Coro::EV::timer_once $SCHEDULE_INTERVAL;
65 }
62 66
63 # this weird form of iteration over values is used because 67 # this weird form of iteration over values is used because
64 # the hash changes underneath us frequently, and for 68 # the hash changes underneath us frequently, and for
65 # keeps a direct reference to the value without (in 5.8 perls) 69 # keeps a direct reference to the value without (in 5.8 perls)
66 # keeping a reference, so this is prone to crashes or worse. 70 # keeping a reference, so this is prone to crashes or worse.

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