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