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Comparing deliantra/server/ext/map-scheduler.ext (file contents):
Revision 1.45 by root, Thu Oct 11 00:34:31 2007 UTC vs.
Revision 1.47 by root, Tue Apr 15 14:21:04 2008 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} || 2; # time the map scheduler sleeps between runs 9our $SCHEDULE_INTERVAL = $cf::CFG{schedule_interval} || 5; # 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} || .6; # swap as fast as possible at this load
13 13
14cf::async_ext { 14cf::async_ext {
15 $Coro::current->{desc} = "startup map scanner"; 15 $Coro::current->{desc} = "startup map scanner";
16 $Coro::current->prio (Coro::PRIO_MIN); 16 $Coro::current->prio (Coro::PRIO_MIN);
17 17
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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 $Coro::current->prio (Coro::PRIO_MAX); 57 $Coro::current->prio (Coro::PRIO_MAX);
58 my $timer = Coro::Event->timer (data => cf::WF_AUTOCANCEL);
59 58
60 while () { 59 while () {
61 if ($cf::LOADAVG > $SWAP_LOAD2) { 60 if ($cf::LOADAVG > $SWAP_LOAD2) {
62 $timer->interval (0.05);
63 $timer->next;
64 cf::wait_for_tick; 61 cf::wait_for_tick;
65 } else { 62 } else {
66 $timer->interval ($SCHEDULE_INTERVAL); 63 Coro::EV::timer_once $SCHEDULE_INTERVAL;
67 $timer->next;
68 } 64 }
69 65
70 # this weird form of iteration over values is used because 66 # this weird form of iteration over values is used because
71 # the hash changes underneath us frequently, and for 67 # the hash changes underneath us frequently, and for
72 # keeps a direct reference to the value without (in 5.8 perls) 68 # keeps a direct reference to the value without (in 5.8 perls)
… …
84# $map->deactivate; 80# $map->deactivate;
85# delete $map->{active}; 81# delete $map->{active};
86# } 82# }
87 if ($map->should_reset) { 83 if ($map->should_reset) {
88 $map->reset; 84 $map->reset;
89 } elsif ($map->in_memory == cf::MAP_IN_MEMORY) { 85 } elsif ($map->in_memory == cf::MAP_ACTIVE) {
90 my $max_idle = cf::clamp +(cf::lerp $cf::LOADAVG, $SWAP_LOAD1, $SWAP_LOAD2, $SWAP_TIMEOUT, $cf::TICK * 1.5), 86 my $max_idle = cf::clamp +(cf::lerp $cf::LOADAVG, $SWAP_LOAD1, $SWAP_LOAD2, $SWAP_TIMEOUT, $cf::TICK * 1.5),
91 $cf::TICK * 1.5, $SWAP_TIMEOUT; 87 $cf::TICK * 1.5, $SWAP_TIMEOUT;
92 88
93 if ($map->last_access + $max_idle <= $cf::RUNTIME && !$map->players) { 89 if ($map->last_access + $max_idle <= $cf::RUNTIME && !$map->players) {
94 $map->swap_out; 90 $map->swap_out;

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