summary refs log tree commit diff
path: root/synapse/storage/util
diff options
context:
space:
mode:
Diffstat (limited to 'synapse/storage/util')
-rw-r--r--synapse/storage/util/id_generators.py5
1 files changed, 5 insertions, 0 deletions
diff --git a/synapse/storage/util/id_generators.py b/synapse/storage/util/id_generators.py
index 76bc3afdfa..b7eb4f8ac9 100644
--- a/synapse/storage/util/id_generators.py
+++ b/synapse/storage/util/id_generators.py
@@ -15,6 +15,7 @@
 
 import contextlib
 import heapq
+import logging
 import threading
 from collections import deque
 from typing import Dict, List, Set
@@ -24,6 +25,8 @@ from typing_extensions import Deque
 from synapse.storage.database import DatabasePool, LoggingTransaction
 from synapse.storage.util.sequence import PostgresSequenceGenerator
 
+logger = logging.getLogger(__name__)
+
 
 class IdGenerator:
     def __init__(self, db_conn, table, column):
@@ -48,6 +51,8 @@ def _load_current_id(db_conn, table, column, step=1):
     Returns:
         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()
     if step == 1:
         cur.execute("SELECT MAX(%s) FROM %s" % (column, table))