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authorRichard van der Hoff <1389908+richvdh@users.noreply.github.com>2021-12-08 14:15:14 +0000
committerGitHub <noreply@github.com>2021-12-08 14:15:14 +0000
commitff7cc17b5706ff3f386b15fda668511c0502ab9c (patch)
treefb0d97f34f96e406cc7fa8eddfeddf0641d78e5a /synapse/storage
parentSend and handle cross-signing messages using the stable prefix. (#10520) (diff)
downloadsynapse-ff7cc17b5706ff3f386b15fda668511c0502ab9c.tar.xz
Improve log messages for stream ids (#11536)
Somehow I'd managed to get my database in a pickle with stream ids. These
changes were useful to debug.
Diffstat (limited to 'synapse/storage')
-rw-r--r--synapse/storage/databases/main/state_deltas.py4
-rw-r--r--synapse/storage/util/id_generators.py6
2 files changed, 6 insertions, 4 deletions
diff --git a/synapse/storage/databases/main/state_deltas.py b/synapse/storage/databases/main/state_deltas.py
index 7f3624b128..188afec332 100644
--- a/synapse/storage/databases/main/state_deltas.py
+++ b/synapse/storage/databases/main/state_deltas.py
@@ -56,7 +56,9 @@ class StateDeltasStore(SQLBaseStore):
         prev_stream_id = int(prev_stream_id)
 
         # check we're not going backwards
-        assert prev_stream_id <= max_stream_id
+        assert (
+            prev_stream_id <= max_stream_id
+        ), f"New stream id {max_stream_id} is smaller than prev stream id {prev_stream_id}"
 
         if not self._curr_state_delta_stream_cache.has_any_entity_changed(
             prev_stream_id
diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py
index 4ff3013908..b8112e1c05 100644
--- a/synapse/storage/util/id_generators.py
+++ b/synapse/storage/util/id_generators.py
@@ -74,8 +74,6 @@ class IdGenerator:
 def _load_current_id(
     db_conn: LoggingDatabaseConnection, table: str, column: str, step: int = 1
 ) -> int:
-    # debug logging for https://github.com/matrix-org/synapse/issues/7968
-    logger.info("initialising stream generator for %s(%s)", table, column)
     cur = db_conn.cursor(txn_name="_load_current_id")
     if step == 1:
         cur.execute("SELECT MAX(%s) FROM %s" % (column, table))
@@ -86,7 +84,9 @@ def _load_current_id(
     (val,) = result
     cur.close()
     current_id = int(val) if val else step
-    return (max if step > 0 else min)(current_id, step)
+    res = (max if step > 0 else min)(current_id, step)
+    logger.info("Initialising stream generator for %s(%s): %i", table, column, res)
+    return res
 
 
 class AbstractStreamIdTracker(metaclass=abc.ABCMeta):