Matrix/synapse
Matrix/synapse
1
0
Fork 0
mirror of https://github.com/element-hq/synapse synced 2024-07-08 14:04:05 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge pull request #1079 from matrix-org/erikj/state_seqscan

Browse source 
Temporarily disable sequential scans for state fetching
This commit is contained in:
Erik Johnston 2016-09-08 09:55:16 +01:00 committed by GitHub
parent 3c320c006c b568ca309c
commit 2982d16e07
1 changed files with 4 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
synapse/storage/state.py
View file

@ -310,6 +310,10 @@ class StateStore(SQLBaseStore):
results = {group: {} for group in groups}
if isinstance(self.database_engine, PostgresEngine):
# Temporarily disable sequential scans in this transaction. This is
# a temporary hack until we can add the right indices in
txn.execute("SET LOCAL enable_seqscan=off")
# The below query walks the state_group tree so that the "state"
# table includes all state_groups in the tree. It then joins
# against `state_groups_state` to fetch the latest state.