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262 Commits

Author SHA1 Message Date
Richard van der Hoff
f5cf3638e9 move _state_group_cache to statestore 
this is internal to statestore, so let's keep it there.
 2017-11-07 16:43:00 +00:00
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
Erik Johnston
373654c635 Comment about sqlite and WITH RECURSIVE 2016-09-05 14:50:36 +01:00
Erik Johnston
628e65721b Add comments 2016-09-05 10:41:27 +01:00
Erik Johnston
a99e933550 Add upgrade script that will slowly prune state_groups_state entries 2016-09-05 10:05:36 +01:00
Erik Johnston
598317927c Limit the length of state chains 2016-09-02 10:41:38 +01:00
Erik Johnston
9e25443db8 Move to storing state_groups_state as deltas 2016-09-01 14:31:26 +01:00
Erik Johnston
0cfd6c3161 Use state_groups table to test existence 2016-08-31 16:25:57 +01:00
Erik Johnston
c10cb581c6 Correctly handle the difference between prev and current state 2016-08-31 14:26:22 +01:00
Erik Johnston
1bb8ec296d Generate state group ids in state layer 2016-08-31 10:09:46 +01:00
Erik Johnston
5dc2a702cf Make _state_groups_id_gen a normal IdGenerator 2016-08-30 16:55:11 +01:00
Erik Johnston
778fa85f47 Make sync not pull out full state 2016-08-25 18:59:44 +01:00
Erik Johnston
a3dc1e9cbe Replace context.current_state with context.current_state_ids 2016-08-25 17:32:22 +01:00
Erik Johnston
17f4f14df7 Pull out event ids rather than full events for state 2016-08-25 13:42:44 +01:00
Erik Johnston
ba214a5e32 Remove lru option 2016-08-19 14:17:11 +01:00
Erik Johnston
61c7edfd34 Add cache to _get_state_groups_from_groups 2016-04-19 17:22:03 +01:00
Mark Haines
87f2dec8d4 Make the cache objects be per instance rather than being global 2016-04-06 13:08:05 +01:00
Mark Haines
89e6839a48 Merge pull request #686 from matrix-org/markjh/doc_strings 
Use google style doc strings.
 2016-04-01 16:20:09 +01:00
Mark Haines
2a37467fa1 Use google style doc strings. 
pycharm supports them so there is no need to use the other format.

Might as well convert the existing strings to reduce the risk of
people accidentally cargo culting the wrong doc string format.
 2016-04-01 16:12:07 +01:00
Mark Haines
e36bfbab38 Use a stream id generator for backfilled ids 2016-04-01 13:29:05 +01:00
Mark Haines
31a9eceda5 Add a replication stream for state groups 2016-03-30 16:01:58 +01:00
Mark Haines
1e25f62ee6 Use a stream id generator to assign state group ids 2016-03-30 12:55:02 +01:00
Erik Johnston
2f0180b09e Don't bother interning keys that are already interned 2016-03-23 16:29:46 +00:00
Erik Johnston
acdfef7b14 Intern all the things 2016-03-23 16:25:54 +00:00
Erik Johnston
75daede92f String intern 2016-03-23 14:53:53 +00:00
Erik Johnston
8b0dfc9fc4 Don't cache events in get_current_state_for_key 2016-03-23 11:42:17 +00:00
Erik Johnston
2c86187a1b Don't cache events in _state_group_cache 
Instead, simply cache the event ids, relying on the event cache to cache
the actual events.

The problem was that while the state groups cache was limited in the
number of groups it could hold, each individual group could consist of
thousands of events.
 2016-03-22 12:00:09 +00:00
Mark Haines
54172924c8 Load the current id in the IdGenerator constructor 
Rather than loading them lazily. This allows us to remove all
the yield statements and spurious arguments for the get_next
methods.

It also allows us to replace all instances of get_next_txn with
get_next since get_next no longer needs to access the db.
 2016-03-01 14:32:56 +00:00
Erik Johnston
5189bfdef4 Batch fetch _get_state_groups_from_groups 2016-02-10 13:24:42 +00:00
Erik Johnston
24f00a6c33 Use _simple_select_many for _get_state_group_for_events 2016-02-10 12:57:50 +00:00
Matthew Hodgson
6c28ac260c copyrights 2016-01-07 04:26:29 +00:00
Richard van der Hoff
fddedd51d9 Fix a few race conditions in the state calculation 
Be a bit more careful about how we calculate the state to be returned by
/sync. In a few places, it was possible for /sync to return slightly later
state than that represented by the next_batch token and the timeline. In
particular, the following cases were susceptible:

* On a full state sync, for an active room
* During a per-room incremental sync with a timeline gap
* When the user has just joined a room. (Refactor check_joined_room to make it
  less magical)

Also, use store.get_state_for_events() (and thus the existing stategroups) to
calculate the state corresponding to a particular sync position, rather than
state_handler.compute_event_context(), which recalculates from first principles
(and tends to miss some state).

Merged from PR https://github.com/matrix-org/synapse/pull/372
 2015-11-13 10:39:09 +00:00
Erik Johnston
927004e349 Remove unused room_id parameter 2015-10-12 15:06:14 +01:00
Mark Haines
1cd65a8d1e synapse/storage/state.py: _make_group_id was unused 2015-09-23 10:37:58 +01:00
Erik Johnston
1bd1a43073 Actually check if event_id isn't returned by _get_state_groups 2015-08-21 14:30:34 +01:00
Erik Johnston
a82938416d Remove newline because vertical whitespace makes mjark sad 2015-08-18 16:28:13 +01:00
Erik Johnston
0bfdaf1f4f Rejig the code to make it nicer 2015-08-18 16:26:07 +01:00
Erik Johnston
8199475ce0 Ensure we never return a None event from _get_state_for_groups 2015-08-18 11:44:10 +01:00
Erik Johnston
85d0bc3bdc Reduce cache size from obscenely large to quite large 2015-08-18 11:00:38 +01:00
Erik Johnston
f9d4da7f45 Fix bug where we were leaking None into state event lists 2015-08-17 09:39:45 +01:00
Erik Johnston
2bb2c02571 Remove some vertical space 2015-08-13 17:11:30 +01:00
Erik Johnston
57877b01d7 Replace list comprehension 2015-08-13 17:00:17 +01:00
Erik Johnston
0fbed2a8fa Comment 2015-08-12 17:22:54 +01:00
Erik Johnston
c10ac7806e Explain why we're prefilling dict with Nones 2015-08-12 17:16:30 +01:00
Erik Johnston
101ee3fd00 Better variable name 2015-08-12 17:08:05 +01:00
Erik Johnston
df361d08f7 Split _get_state_for_group_from_cache into two 2015-08-12 17:06:21 +01:00
Erik Johnston
2df8dd9b37 Move all the caches into their own package, synapse.util.caches 2015-08-11 18:00:59 +01:00
Erik Johnston
53a817518b Comments 2015-08-11 11:40:40 +01:00
Erik Johnston
1b994a97dd Fix application of ACLs 2015-08-11 10:41:40 +01:00
Erik Johnston
10b874067b Fix state cache 2015-08-11 09:12:41 +01:00
Erik Johnston
017b798e4f Clean up StateStore 2015-08-10 15:01:06 +01:00
Erik Johnston
2c019eea11 Remove unused function 2015-08-10 14:44:41 +01:00
Erik Johnston
aa88582e00 Do bounds check 2015-08-10 10:08:15 +01:00
Erik Johnston
5119e416e8 Line length 2015-08-10 10:05:30 +01:00
Erik Johnston
8f04b6fa7a Merge branch 'erikj/cache_varargs_interface' of github.com:matrix-org/synapse into erikj/dictionary_cache 2015-08-07 19:30:25 +01:00
Erik Johnston
3213ff630c Remove unnecessary cache 2015-08-07 19:14:05 +01:00
Erik Johnston
9eb5b23d3a Batch up various DB requests for event -> state 2015-08-07 18:16:02 +01:00
Erik Johnston
b3768ec10a Remove unncessary cache 2015-08-07 13:41:05 +01:00
Erik Johnston
fe994e728f Store absence of state in cache 2015-08-07 10:17:38 +01:00
Erik Johnston
3e1b77efc2 Merge branch 'erikj/cached_keyword_args' of github.com:matrix-org/synapse into erikj/dictionary_cache 2015-08-05 16:45:56 +01:00
Erik Johnston
07507643cb Use dictionary cache to do group -> state fetching 2015-08-05 15:11:42 +01:00
Erik Johnston
413a4c289b Add comment 2015-08-04 11:08:07 +01:00
Erik Johnston
4d6cb8814e Speed up event filtering (for ACL) logic 2015-08-04 09:32:23 +01:00
Erik Johnston
39e21ea51c Add support for using keyword arguments with cached functions 2015-07-27 13:57:29 +01:00
Erik Johnston
baa55fb69e Merge pull request #193 from matrix-org/erikj/bulk_persist_event 
Add bulk insert events API
 2015-07-14 10:49:24 +01:00
Erik Johnston
1a60545626 Add basic impl for room history ACL on GET /messages client API 2015-07-02 16:20:10 +01:00
Erik Johnston
5130d80d79 Add bulk insert events API 2015-06-25 17:29:34 +01:00
Erik Johnston
0d7d9c37b6 Add cache to get_state_groups 2015-06-03 14:45:55 +01:00
Erik Johnston
4429e720ae Merge branch 'master' of github.com:matrix-org/synapse into develop 2015-05-22 10:33:00 +01:00
Mark Haines
d61ce3f670 Add a cache for get_current_state with state_key 2015-05-21 16:41:39 +01:00
Erik Johnston
8763dd80ef Don't fetch prev_content for current_state 2015-05-15 15:33:01 +01:00
Erik Johnston
acb12cc811 Make store.get_current_state fetch events asyncly 2015-05-15 15:20:05 +01:00
Erik Johnston
f6f902d459 Move fetching of events into their own transactions 2015-05-14 13:45:48 +01:00
Erik Johnston
cdb3757942 Refactor _get_events 2015-05-14 13:31:55 +01:00
Erik Johnston
4071f29653 Fetch events from events_id in their own transactions 2015-05-13 16:59:41 +01:00
Erik Johnston
ca4f458787 Fetch events in bulk 2015-05-13 15:13:42 +01:00
Erik Johnston
6edff11a88 Don't fetch redaction and rejection stuff for each event, so we can use index only scan 2015-05-13 14:39:05 +01:00
Erik Johnston
02590c3e1d Temp turn off checking for rejections and redactions 2015-05-13 11:31:28 +01:00
Erik Johnston
619a21812b defer.gatherResults loop 2015-05-13 11:29:03 +01:00
Erik Johnston
fec4485e28 Batch fetching of events for state groups 2015-05-13 11:22:42 +01:00
Erik Johnston
409bcc76bd Load events for state group seperately 2015-05-13 11:13:31 +01:00
Erik Johnston
43c2e8deae Add support for using executemany 2015-05-05 15:13:25 +01:00
Erik Johnston
8be5284e91 Remove pointless join 2015-04-30 18:49:26 +01:00
Erik Johnston
00718ae7a9 Need more yield 2015-04-30 18:43:39 +01:00
Erik Johnston
0465560c1a Add missing param 2015-04-30 18:42:44 +01:00
Erik Johnston
f383d5a801 Fix up get_current_state and get_room_name_and_aliases queries to parse events in transaction 2015-04-30 17:12:52 +01:00
Erik Johnston
3c4c229788 Don't use sub queries, it makes postgres sad 2015-04-30 16:16:53 +01:00
Erik Johnston
2366d28780 Don't needlessly join on state_events 2015-04-30 14:02:06 +01:00
Erik Johnston
86fc9b617c For backwards compat, make state_groups.id have a type of int, not varchar 2015-04-13 17:03:49 +01:00
Erik Johnston
0bfa78b39b PEP8 2015-04-07 12:16:05 +01:00
Erik Johnston
304111afd0 Don't use AUTOINCREMENT, use an in memory version 2015-04-07 12:05:36 +01:00
Erik Johnston
6e7131f02f Remove uses of REPLACE and ON CONFLICT IGNORE to make the SQL more portable. 2015-03-23 15:38:56 +00:00
Erik Johnston
f6583796fe Merge branch 'develop' of github.com:matrix-org/synapse into mysql 2015-03-20 16:31:48 +00:00
Erik Johnston
87db64b839 Rearrange storage modules 2015-03-20 14:11:38 +00:00
Erik Johnston
cb8162d3d1 Rearrange storage modules 2015-03-20 13:52:56 +00:00
Erik Johnston
d7a0496f3e Convert storage layer to be mysql compatible 2015-03-19 15:59:48 +00:00
Erik Johnston
f1d2b94e0b Copy dict of context.current_state before changing it. 2015-03-16 15:13:05 +00:00
Mark Haines
3891597eb3 Remove unused functions 2015-01-13 15:57:26 +00:00
Mark Haines
5e23a19204 Merge pull request #28 from matrix-org/erikj-perf 
Database performance improvements.
 2015-01-06 13:33:40 +00:00
Mark Haines
adb04b1e57 Update copyright notices 2015-01-06 13:21:39 +00:00
Erik Johnston
12819d5082 Remove debug lines 2015-01-06 13:12:30 +00:00