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fix: long prev event fetch times for huge rooms

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This commit is contained in:
Timo Kösters 2021-08-12 17:55:16 +02:00
parent b0a2877f20
commit 3e79b15bbf
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GPG key ID: 356E705610F626D5
3 changed files with 49 additions and 38 deletions
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2
src/database.rs
View file

@ -272,7 +272,7 @@ impl Database {
referencedevents: builder.open_tree("referencedevents")?,
pdu_cache: Mutex::new(LruCache::new(100_000)),
auth_chain_cache: Mutex::new(LruCache::new(100_000)),
shorteventid_cache: Mutex::new(LruCache::new(100_000)),
shorteventid_cache: Mutex::new(LruCache::new(1_000_000)),
},
account_data: account_data::AccountData {
roomuserdataid_accountdata: builder.open_tree("roomuserdataid_accountdata")?,

49
src/database/rooms.rs
View file

@ -99,15 +99,11 @@ impl Rooms {
Ok(self
.stateid_shorteventid
.scan_prefix(shortstatehash.to_be_bytes().to_vec())
.map(|(_, bytes)| self.shorteventid_eventid.get(&bytes).ok().flatten())
.flatten()
.map(|bytes| {
EventId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("EventID in stateid_shorteventid is invalid unicode.")
})?)
.map_err(|_| Error::bad_database("EventId in stateid_shorteventid is invalid."))
.map(|(_, bytes)| {
self.get_eventid_from_short(utils::u64_from_bytes(&bytes).unwrap())
.ok()
})
.filter_map(|r| r.ok())
.flatten()
.collect())
}
@ -118,15 +114,11 @@ impl Rooms {
let state = self
.stateid_shorteventid
.scan_prefix(shortstatehash.to_be_bytes().to_vec())
.map(|(_, bytes)| self.shorteventid_eventid.get(&bytes).ok().flatten())
.flatten()
.map(|bytes| {
EventId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("EventID in stateid_shorteventid is invalid unicode.")
})?)
.map_err(|_| Error::bad_database("EventId in stateid_shorteventid is invalid."))
.map(|(_, bytes)| {
self.get_eventid_from_short(utils::u64_from_bytes(&bytes).unwrap())
.ok()
})
.filter_map(|r| r.ok())
.flatten()
.map(|eventid| self.get_pdu(&eventid))
.filter_map(|r| r.ok().flatten())
.map(|pdu| {
@ -168,15 +160,10 @@ impl Rooms {
Ok(self
.stateid_shorteventid
.get(&stateid)?
.map(|bytes| self.shorteventid_eventid.get(&bytes).ok().flatten())
.flatten()
.map(|bytes| {
EventId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("EventID in stateid_shorteventid is invalid unicode.")
})?)
.map_err(|_| Error::bad_database("EventId in stateid_shorteventid is invalid."))
self.get_eventid_from_short(utils::u64_from_bytes(&bytes).unwrap())
.ok()
})
.map(|r| r.ok())
.flatten())
} else {
Ok(None)
@ -448,7 +435,12 @@ impl Rooms {
}
pub fn get_eventid_from_short(&self, shorteventid: u64) -> Result<EventId> {
if let Some(id) = self.shorteventid_cache.lock().unwrap().get_mut(&shorteventid) {
if let Some(id) = self
.shorteventid_cache
.lock()
.unwrap()
.get_mut(&shorteventid)
{
return Ok(id.clone());
}
@ -457,12 +449,11 @@ impl Rooms {
.get(&shorteventid.to_be_bytes())?
.ok_or_else(|| Error::bad_database("Shorteventid does not exist"))?;
let event_id = EventId::try_from(
utils::string_from_bytes(&bytes).map_err(|_| {
let event_id =
EventId::try_from(utils::string_from_bytes(&bytes).map_err(|_| {
Error::bad_database("EventID in roomid_pduleaves is invalid unicode.")
})?,
)
.map_err(|_| Error::bad_database("EventId in roomid_pduleaves is invalid."))?;
})?)
.map_err(|_| Error::bad_database("EventId in roomid_pduleaves is invalid."))?;
self.shorteventid_cache
.lock()

36
src/server_server.rs
View file

@ -668,7 +668,7 @@ pub async fn send_transaction_message_route(
let elapsed = start_time.elapsed();
warn!(
"Handling event {} took {}m{}s",
"Handling transaction of event {} took {}m{}s",
event_id,
elapsed.as_secs() / 60,
elapsed.as_secs() % 60
@ -850,6 +850,8 @@ pub fn handle_incoming_pdu<'a>(
pub_key_map: &'a RwLock<BTreeMap<String, BTreeMap<String, String>>>,
) -> AsyncRecursiveType<'a, StdResult<Option<Vec<u8>>, String>> {
Box::pin(async move {
let start_time = Instant::now();
// TODO: For RoomVersion6 we must check that Raw<..> is canonical do we anywhere?: https://matrix.org/docs/spec/rooms/v6#canonical-json
match db.rooms.exists(&room_id) {
Ok(true) => {}
@ -1014,12 +1016,18 @@ pub fn handle_incoming_pdu<'a>(
// 8. if not timeline event: stop
if !is_timeline_event
|| incoming_pdu.origin_server_ts
< db.rooms
.first_pdu_in_room(&room_id)
.map_err(|_| "Error loading first room event.".to_owned())?
.expect("Room exists")
.origin_server_ts
< (utils::millis_since_unix_epoch() - 1000 * 60 * 20)
.try_into()
.expect("time is valid")
// Not older than 20 mins
{
let elapsed = start_time.elapsed();
warn!(
"Handling outlier event {} took {}m{}s",
event_id,
elapsed.as_secs() / 60,
elapsed.as_secs() % 60
);
return Ok(None);
}
@ -1312,7 +1320,8 @@ pub fn handle_incoming_pdu<'a>(
for state in fork_states {
auth_chain_sets.push(
get_auth_chain(state.iter().map(|(_, id)| id.clone()).collect(), db)
.map_err(|_| "Failed to load auth chain.".to_owned())?.collect(),
.map_err(|_| "Failed to load auth chain.".to_owned())?
.collect(),
);
}
@ -1385,6 +1394,14 @@ pub fn handle_incoming_pdu<'a>(
// Event has passed all auth/stateres checks
drop(state_lock);
let elapsed = start_time.elapsed();
warn!(
"Handling timeline event {} took {}m{}s",
event_id,
elapsed.as_secs() / 60,
elapsed.as_secs() % 60
);
Ok(pdu_id)
})
}
@ -1757,7 +1774,10 @@ fn append_incoming_pdu(
Ok(pdu_id)
}
fn get_auth_chain(starting_events: Vec<EventId>, db: &Database) -> Result<impl Iterator<Item = EventId> + '_> {
fn get_auth_chain(
starting_events: Vec<EventId>,
db: &Database,
) -> Result<impl Iterator<Item = EventId> + '_> {
let mut full_auth_chain = HashSet::new();
let starting_events = starting_events