add some logging to the rooms stats updates, to try to track down a flaky test (#6167)

1 files changed, 3 insertions, 0 deletions

diff --git a/synapse/storage/stats.py b/synapse/storage/stats.py

index 09190d684e..7c224cd3d9 100644
--- a/synapse/storage/stats.py
+++ b/synapse/storage/stats.py
@@ -332,6 +332,9 @@ class StatsStore(StateDeltasStore):
         def _bulk_update_stats_delta_txn(txn):
             for stats_type, stats_updates in updates.items():
                 for stats_id, fields in stats_updates.items():
+                    logger.info(
+                        "Updating %s stats for %s: %s", stats_type, stats_id, fields
+                    )
                     self._update_stats_delta_txn(
                         txn,
                         ts=ts,