Commit Graph

161 Commits

Author SHA1 Message Date
Erik Johnston 5946aa0877 Prefill forward extrems and event to state groups 2017-06-29 15:38:48 +01:00
Erik Johnston 8060974344 Fix replication 2017-06-09 16:40:52 +01:00
Erik Johnston b0d975e216 Comments 2017-06-09 16:25:42 +01:00
Erik Johnston e54d7d536e Cache state deltas 2017-06-09 16:24:00 +01:00
Erik Johnston ea11ee09f3 Ensure we don't use unpersisted state group as prev group 2017-06-08 11:59:57 +01:00
Erik Johnston 6ba21bf2b8 Comments 2017-06-07 11:08:36 +01:00
Erik Johnston dfbda5e025 Faster cache for get_joined_hosts 2017-05-25 17:24:44 +01:00
Erik Johnston bbfe4e996c Make get_state_groups_from_groups faster.
Most of the time was spent copying a dict to filter out sentinel values
that indicated that keys did not exist in the dict. The sentinel values
were added to ensure that we cached the non-existence of keys.

By updating DictionaryCache to keep track of which keys were known to
not exist itself we can remove a dictionary copy.
2017-05-17 15:12:15 +01:00
Erik Johnston 608b5a6317 Take a copy before prefilling, as it may be a frozendict 2017-05-16 12:55:29 +01:00
Erik Johnston e4435b014e Update comment 2017-05-15 15:11:30 +01:00
Erik Johnston 871605f4e2 Comments 2017-05-15 15:11:30 +01:00
Erik Johnston bfbc907cec Prefill state caches 2017-05-15 15:11:13 +01:00
Erik Johnston 587f07543f Revert "Prefill state caches" 2017-05-04 15:07:27 +01:00
Erik Johnston 2c2dcf81d0 Update comment 2017-05-03 10:00:29 +01:00
Erik Johnston 1827057acc Comments 2017-05-03 09:56:05 +01:00
Erik Johnston a2c89a225c Prefill state caches 2017-05-02 10:40:31 +01:00
Erik Johnston f053a1409e Make state caches cache in ascii 2017-04-25 17:22:55 +01:00
Erik Johnston 22f3d3ae76 Reduce _get_state_group_for_event cache size 2017-04-25 11:43:03 +01:00
Erik Johnston e4f3431116 Remove unused cache 2017-04-24 13:27:38 +01:00
Erik Johnston 2a3e822f44 Comment 2017-04-07 13:47:04 +01:00
Erik Johnston d72667fcce Speed up get_current_state_ids
Using _simple_select_list is fairly expensive for functions that return
a lot of rows and/or get called a lot. (This is because it carefully
constructs a list of dicts).

get_current_state_ids gets called a lot on startup and e.g. when the IRC
bridge decided to send tonnes of joins/leaves (as it invalidates the
cache). We therefore replace it with a custon txn function that builds
up the final result dict without building up and intermediate
representation.
2017-04-07 10:10:49 +01:00
Erik Johnston 3ce8d59176 Increase cache size for _get_state_group_for_event 2017-03-29 14:31:46 +01:00
Erik Johnston d58b1ffe94 Replace some calls to cursor_to_dict
cursor_to_dict can be surprisinglh expensive for large result sets, so lets
only call it when we need to.
2017-03-24 11:07:02 +00:00
Erik Johnston e71940aa64 Use iter(items|values) 2017-03-24 10:57:02 +00:00
Erik Johnston 00957d1aa4 User Cursor.__iter__ instead of fetchall
This prevents unnecessary construction of lists
2017-03-23 17:53:49 +00:00
Richard van der Hoff 0c01f829ae Avoid resetting state on rejected events
When we get a rejected event, give it the same state_group as its prev_event,
rather than no state_group at all.

This should fix https://github.com/matrix-org/synapse/issues/1935.
2017-03-17 15:06:08 +00:00
Erik Johnston 8ffbe43ba1 Get current state by using current_state_events table 2017-03-10 17:39:35 +00:00
Richard van der Hoff fc2f29c1d0 Fix bugs in the /keys/changes api
* `get_forward_extremeties_for_room` takes a numeric `stream_ordering`. We were
  passing a `RoomStreamToken`, which meant that it returned the *current*
  extremities, rather than those corresponding to the `from_token`. However:
* `get_state_ids_for_events` required a second ('types') parameter; this meant
  that a `TypeError` was thrown and we ended up acting as though there was *no*
  prev state.
* `get_state_ids_for_events` actually returns a map from event_id to state
  dictionary - just looking up the state keys in it again meant that we acted
  as though there was no prev state. We now check if each member's state has
  changed since *any* of the extremities.

Also add/fix some comments.
2017-02-14 13:59:50 +00:00
Erik Johnston 21b7375778 Add an index to make membership queries faster 2017-01-31 15:15:57 +00:00
Erik Johnston a55fa2047f Insert delta of current_state_events to be more efficient 2017-01-20 17:10:18 +00:00
Erik Johnston 897f8752da Up cache max entries for state 2017-01-16 15:08:17 +00:00
Erik Johnston 01521299c7 Increase cache size limit 2017-01-16 11:56:51 +00:00
Erik Johnston 2fae34bd2c Optionally measure size of cache by sum of length of values 2017-01-13 17:46:17 +00:00
Matthew Hodgson 8cfc0165e9 fix annoying typos 2017-01-05 13:39:43 +00:00
Erik Johnston 587d8ac60f Correctly intern keys in state cache 2016-11-08 11:53:25 +00:00
Erik Johnston 4974147aa3 Remove duplication 2016-09-27 09:27:54 +01:00
Erik Johnston 13122e5e24 Remove unused variable 2016-09-27 09:21:51 +01:00
Erik Johnston cf3e1cc200 Fix perf of fetching state in SQLite 2016-09-26 17:16:24 +01:00
Erik Johnston 00f51493f5 Fix reindex 2016-09-14 10:18:30 +01:00
Erik Johnston d5ae1f1291 Ensure we don't mutate state cache entries 2016-09-14 10:03:48 +01:00
Erik Johnston 03a98aff3c Create new index concurrently 2016-09-12 14:27:01 +01:00
Erik Johnston 897d57bc58 Change state fetch query for postgres to be faster
It turns out that postgres doesn't like doing a list of OR's and is
about 1000x slower, so we just issue a query for each specific type
seperately.
2016-09-12 10:05:07 +01:00
Erik Johnston 5beda10bbd Reindex state_groups_state after pruning 2016-09-08 16:18:01 +01:00
Erik Johnston b568ca309c Temporarily disable sequential scans for state fetching 2016-09-08 09:38:54 +01:00
Erik Johnston 513188aa56 Comment 2016-09-07 14:53:23 +01:00
Erik Johnston fadb01551a Add appopriate framing clause 2016-09-07 14:39:01 +01:00
Erik Johnston d25c20ccbe Use windowing function to make use of index 2016-09-07 14:22:22 +01:00
Erik Johnston 0595413c0f Scale the batch size so that we're not bitten by the minimum 2016-09-05 15:49:57 +01:00
Erik Johnston a7032abb2e Correctly handle reindexing state groups that already have an edge 2016-09-05 15:07:23 +01:00
Erik Johnston 70332a12dd Take value in a better way 2016-09-05 14:57:14 +01:00