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Performance optimizations

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Till Faelligen 2023-01-04 11:13:46 +01:00
parent e449d174cc
commit ccb4fe1dd4
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1 changed files with 24 additions and 11 deletions
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25
syncapi/streams/stream_pdu.go
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@ -384,19 +384,32 @@ func applyHistoryVisibilityFilter(
roomID, userID string,
recentEvents []*gomatrixserverlib.HeaderedEvent,
) ([]*gomatrixserverlib.HeaderedEvent, error) {
// We need to make sure we always include the latest states events, if they are in the timeline.
// We grep at least limit * 2 events, to ensure we really get the needed events.
// We need to make sure we always include the latest state events, if they are in the timeline.
alwaysIncludeIDs := make(map[string]struct{})
var stateTypes []string
var senders []string
for _, ev := range recentEvents {
if ev.StateKey() != nil {
stateTypes = append(stateTypes, ev.Type())
senders = append(senders, ev.Sender())
}
}
// Only get the state again if there are state events in the timeline
if len(stateTypes) > 0 {
filter := gomatrixserverlib.DefaultStateFilter()
filter.Types = &stateTypes
filter.Senders = &senders
stateEvents, err := snapshot.CurrentState(ctx, roomID, &filter, nil)
if err != nil {
// Not a fatal error, we can continue without the stateEvents,
// they are only needed if there are state events in the timeline.
logrus.WithError(err).Warnf("Failed to get current room state for history visibility")
return nil, fmt.Errorf("failed to get current room state for history visibility calculation: %w", err)
}
alwaysIncludeIDs := make(map[string]struct{}, len(stateEvents))
for _, ev := range stateEvents {
alwaysIncludeIDs[ev.EventID()] = struct{}{}
}
}
startTime := time.Now()
events, err := internal.ApplyHistoryVisibilityFilter(ctx, snapshot, rsAPI, recentEvents, alwaysIncludeIDs, userID, "sync")
if err != nil {