Merge pull request #34280 from petrosagg/issue-8447

test: fix busy replication slot test

Author: petrosagg

test/pg-cdc-old-syntax/mzcompose.py

@@ -63,6 +63,12 @@ def __init__(self, replication_slot_name: str, publication_name: str) -> None:
             f"{replication_slot_name}",
             "--file",
             "-",
+            # We pass the maximum allowed fsync-interval (~24 days) to prevent
+            # this process from advancing the slot. The purpose of this reader
+            # is to just mark the slot as busy, not to move its reserved WAL
+            # forward.
+            "--fsync-interval",
+            "2147483",
             "--dbname",
             "postgres",
             "--host",

test/pg-cdc/mzcompose.py

@@ -50,6 +50,12 @@ def __init__(self, replication_slot_name: str, publication_name: str) -> None:
             f"{replication_slot_name}",
             "--file",
             "-",
+            # We pass the maximum allowed fsync-interval (~24 days) to prevent
+            # this process from advancing the slot. The purpose of this reader
+            # is to just mark the slot as busy, not to move its reserved WAL
+            # forward.
+            "--fsync-interval",
+            "2147483",
             "--dbname",
             "postgres",
             "--host",