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Decrease probability of missing important alerts

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During startup we can get above 1000 alerts at each pop even with only
30 torrents in the queue. This is because libtorrent will post
piece_finished_alert and file_completed_alert for each torrent. These
alerts push out of the way the ones we care about.
The alert queue will be grown to max only if needed. So we don't use
more memory. It will greatly depend on how many torrents a user has in
their session.

When getting fastresume_rejected_alert we need to act as fast as
possible in pausing it, otherwise there's a chance it will begin
downloading and writing to disk before we pause it.
This commit is contained in:
sledgehammer999
2018-05-28 22:42:01 +03:00
parent cb6b6296aa
commit 2f90be8bd2
2 changed files with 4 additions and 16 deletions
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12
src/base/bittorrent/session.cpp
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@@ -1354,11 +1354,7 @@ void Session::configure(libtorrent::settings_pack &settingsPack)
settingsPack.set_int(libt::settings_pack::active_tracker_limit, -1);
settingsPack.set_int(libt::settings_pack::active_dht_limit, -1);
settingsPack.set_int(libt::settings_pack::active_lsd_limit, -1);
// 1 active torrent force 2 connections. If you have more active torrents * 2 than connection limit,
// connection limit will get extended. Multiply max connections or active torrents by 10 for queue.
// Ignore -1 values because we don't want to set a max int message queue
settingsPack.set_int(libt::settings_pack::alert_queue_size, std::max(1000,
10 * std::max(maxActiveTorrents() * 2, maxConnections())));
settingsPack.set_int(libt::settings_pack::alert_queue_size, std::numeric_limits<int>::max() / 2);
// Outgoing ports
settingsPack.set_int(libt::settings_pack::outgoing_port, outgoingPortsMin());
@@ -1633,11 +1629,7 @@ void Session::configure(libtorrent::session_settings &sessionSettings)
sessionSettings.active_tracker_limit = -1;
sessionSettings.active_dht_limit = -1;
sessionSettings.active_lsd_limit = -1;
// 1 active torrent force 2 connections. If you have more active torrents * 2 than connection limit,
// connection limit will get extended. Multiply max connections or active torrents by 10 for queue.
// Ignore -1 values because we don't want to set a max int message queue
sessionSettings.alert_queue_size = std::max(1000,
10 * std::max(maxActiveTorrents() * 2, maxConnections()));
sessionSettings.alert_queue_size = std::numeric_limits<int>::max() / 2;
// Outgoing ports
sessionSettings.outgoing_ports = std::make_pair(outgoingPortsMin(), outgoingPortsMax());