diff options
| -rw-r--r-- | changelog.d/16552.misc | 1 | ||||
| -rw-r--r-- | synapse/storage/databases/main/event_federation.py | 5 |
2 files changed, 6 insertions, 0 deletions
diff --git a/changelog.d/16552.misc b/changelog.d/16552.misc new file mode 100644 index 0000000000..73a0376df0 --- /dev/null +++ b/changelog.d/16552.misc @@ -0,0 +1 @@ +Reduce a little database load while processing state auth chains. diff --git a/synapse/storage/databases/main/event_federation.py b/synapse/storage/databases/main/event_federation.py index 7e992ca4a2..d5fb6ecc73 100644 --- a/synapse/storage/databases/main/event_federation.py +++ b/synapse/storage/databases/main/event_federation.py @@ -301,6 +301,11 @@ class EventFederationWorkerStore(SignatureWorkerStore, EventsWorkerStore, SQLBas # Add the initial set of chains, excluding the sequence corresponding to # initial event. for chain_id, seq_no in event_chains.items(): + # Check if the initial event is the first item in the chain. If so, then + # there is nothing new to add from this chain. + if seq_no == 1: + continue + chains[chain_id] = max(seq_no - 1, chains.get(chain_id, 0)) # Now for each chain we figure out the maximum sequence number reachable |