Merge pull request #484 from mautrix/sumner/bri-3057

backfill: fixed bug where the media backfill loop would sleep too often
This commit is contained in:
Sumner Evans 2022-04-28 15:52:38 -06:00 committed by GitHub
commit 86840dec59
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
2 changed files with 20 additions and 33 deletions

View file

@ -32,30 +32,13 @@ type BackfillQueue struct {
log log.Logger
}
func (bq *BackfillQueue) RunLoops(user *User) {
go bq.immediateBackfillLoop(user)
bq.deferredBackfillLoop(user)
}
func (bq *BackfillQueue) immediateBackfillLoop(user *User) {
// Immediate backfills should happen first, then deferred backfills and lastly
// media backfills.
func (bq *BackfillQueue) RunLoop(user *User) {
for {
if backfill := bq.BackfillQuery.GetNext(user.MXID, database.BackfillImmediate); backfill != nil {
bq.ImmediateBackfillRequests <- backfill
backfill.MarkDone()
} else {
select {
case <-bq.ReCheckQueue:
case <-time.After(10 * time.Second):
}
}
}
}
func (bq *BackfillQueue) deferredBackfillLoop(user *User) {
for {
// Finish all immediate backfills before doing the deferred ones.
if immediate := bq.BackfillQuery.GetNext(user.MXID, database.BackfillImmediate); immediate != nil {
time.Sleep(10 * time.Second)
bq.ImmediateBackfillRequests <- immediate
immediate.MarkDone()
} else if backfill := bq.BackfillQuery.GetNext(user.MXID, database.BackfillDeferred); backfill != nil {
bq.DeferredBackfillRequests <- backfill
backfill.MarkDone()
@ -63,7 +46,10 @@ func (bq *BackfillQueue) deferredBackfillLoop(user *User) {
bq.DeferredBackfillRequests <- mediaBackfill
mediaBackfill.MarkDone()
} else {
time.Sleep(10 * time.Second)
select {
case <-bq.ReCheckQueue:
case <-time.After(time.Minute):
}
}
}
}

View file

@ -67,7 +67,7 @@ func (user *User) handleHistorySyncsLoop() {
// overload the homeserver. Users can configure their backfill stages
// to be more or less aggressive with backfilling at this stage.
go user.handleBackfillRequestsLoop(user.BackfillQueue.DeferredBackfillRequests)
go user.BackfillQueue.RunLoops(user)
go user.BackfillQueue.RunLoop(user)
// Always save the history syncs for the user. If they want to enable
// backfilling in the future, we will have it in the database.
@ -78,7 +78,7 @@ func (user *User) handleHistorySyncsLoop() {
func (user *User) handleBackfillRequestsLoop(backfillRequests chan *database.Backfill) {
for req := range backfillRequests {
user.log.Debugfln("Handling backfill request %s", req)
user.log.Infofln("Handling backfill request %s", req)
conv := user.bridge.DB.HistorySyncQuery.GetConversation(user.MXID, req.Portal)
if conv == nil {
user.log.Debugfln("Could not find history sync conversation data for %s", req.Portal.String())
@ -96,16 +96,17 @@ func (user *User) handleBackfillRequestsLoop(backfillRequests chan *database.Bac
endTime = *req.TimeEnd
}
user.log.Debugfln("Backfilling media from %v to %v for %s", startTime, endTime, portal.Key.String())
user.log.Infofln("Backfilling media from %v to %v for %s", startTime, endTime, portal.Key.String())
// Go through all of the messages in the given time range,
// requesting any media that errored.
requested := 0
for _, msg := range user.bridge.DB.Message.GetMessagesBetween(portal.Key, startTime, endTime) {
if msg.Error == database.MsgErrMediaNotFound {
if requested > 0 && requested%req.MaxBatchEvents == 0 {
time.Sleep(time.Duration(req.BatchDelay) * time.Second)
}
if msg.Error == database.MsgErrMediaNotFound {
portal.requestMediaRetry(user, msg.MXID)
requested += 1
}
@ -155,7 +156,7 @@ func (user *User) createOrUpdatePortalAndBackfillWithLock(req *database.Backfill
}
}
user.log.Debugfln("Backfilling %d messages in %s, %d messages at a time", len(allMsgs), portal.Key.JID, req.MaxBatchEvents)
user.log.Infofln("Backfilling %d messages in %s, %d messages at a time (queue ID: %d)", len(allMsgs), portal.Key.JID, req.MaxBatchEvents, req.QueueID)
toBackfill := allMsgs[0:]
var insertionEventIds []id.EventID
for len(toBackfill) > 0 {
@ -180,10 +181,10 @@ func (user *User) createOrUpdatePortalAndBackfillWithLock(req *database.Backfill
time.Unix(int64(allMsgs[0].GetMessageTimestamp()), 0),
insertionEventIds[0])
}
user.log.Debugfln("Deleting %d history sync messages after backfilling", len(allMsgs))
user.log.Debugfln("Deleting %d history sync messages after backfilling (queue ID: %d)", len(allMsgs), req.QueueID)
err := user.bridge.DB.HistorySyncQuery.DeleteMessages(user.MXID, conv.ConversationID, allMsgs)
if err != nil {
user.log.Warnfln("Failed to delete %d history sync messages after backfilling: %v", len(allMsgs), err)
user.log.Warnfln("Failed to delete %d history sync messages after backfilling (queue ID: %d): %v", len(allMsgs), req.QueueID, err)
}
if !conv.MarkedAsUnread && conv.UnreadCount == 0 {
@ -422,7 +423,7 @@ func (portal *Portal) backfill(source *User, messages []*waProto.WebMessageInfo)
newMinTs = lastMessage.Timestamp
}
portal.log.Infofln("Processing history sync with %d messages", len(messages))
portal.log.Debugfln("Processing backfill with %d messages", len(messages))
// The messages are ordered newest to oldest, so iterate them in reverse order.
for i := len(messages) - 1; i >= 0; i-- {
webMsg := messages[i]