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Optimise loadAuthEvents, add roomserver tracing

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This commit is contained in:
Neil Alexander 2022-06-07 14:23:26 +01:00
parent aafb7bf120
commit 27948fb304
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GPG key ID: A02A2019A2BB0944
5 changed files with 228 additions and 51 deletions
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16
roomserver/internal/input/input_latest_events.go
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@ -27,6 +27,7 @@ import (
"github.com/matrix-org/dendrite/roomserver/types"
"github.com/matrix-org/gomatrixserverlib"
"github.com/matrix-org/util"
"github.com/opentracing/opentracing-go"
"github.com/sirupsen/logrus"
)
@ -56,6 +57,9 @@ func (r *Inputer) updateLatestEvents(
transactionID *api.TransactionID,
rewritesState bool,
) (err error) {
span, ctx := opentracing.StartSpanFromContext(ctx, "updateLatestEvents")
defer span.Finish()
var succeeded bool
updater, err := r.DB.GetRoomUpdater(ctx, roomInfo)
if err != nil {
@ -200,6 +204,9 @@ func (u *latestEventsUpdater) doUpdateLatestEvents() error {
}
func (u *latestEventsUpdater) latestState() error {
span, ctx := opentracing.StartSpanFromContext(u.ctx, "processEventWithMissingState")
defer span.Finish()
var err error
roomState := state.NewStateResolution(u.updater, u.roomInfo)
@ -246,7 +253,7 @@ func (u *latestEventsUpdater) latestState() error {
// of the state after the events. The snapshot state will be resolved
// using the correct state resolution algorithm for the room.
u.newStateNID, err = roomState.CalculateAndStoreStateAfterEvents(
u.ctx, latestStateAtEvents,
ctx, latestStateAtEvents,
)
if err != nil {
return fmt.Errorf("roomState.CalculateAndStoreStateAfterEvents: %w", err)
@ -258,7 +265,7 @@ func (u *latestEventsUpdater) latestState() error {
// another list of added ones. Replacing a value for a state-key tuple
// will result one removed (the old event) and one added (the new event).
u.removed, u.added, err = roomState.DifferenceBetweeenStateSnapshots(
u.ctx, u.oldStateNID, u.newStateNID,
ctx, u.oldStateNID, u.newStateNID,
)
if err != nil {
return fmt.Errorf("roomState.DifferenceBetweenStateSnapshots: %w", err)
@ -278,7 +285,7 @@ func (u *latestEventsUpdater) latestState() error {
// Also work out the state before the event removes and the event
// adds.
u.stateBeforeEventRemoves, u.stateBeforeEventAdds, err = roomState.DifferenceBetweeenStateSnapshots(
u.ctx, u.newStateNID, u.stateAtEvent.BeforeStateSnapshotNID,
ctx, u.newStateNID, u.stateAtEvent.BeforeStateSnapshotNID,
)
if err != nil {
return fmt.Errorf("roomState.DifferenceBetweeenStateSnapshots: %w", err)
@ -294,6 +301,9 @@ func (u *latestEventsUpdater) calculateLatest(
newEvent *gomatrixserverlib.Event,
newStateAndRef types.StateAtEventAndReference,
) (bool, error) {
span, _ := opentracing.StartSpanFromContext(u.ctx, "calculateLatest")
defer span.Finish()
// First of all, get a list of all of the events in our current
// set of forward extremities.
existingRefs := make(map[string]*types.StateAtEventAndReference)