From 1b70662be902e153759a26b3e97f1081d9f8c4bc Mon Sep 17 00:00:00 2001
From: Patrick Cloke <clokep@users.noreply.github.com>
Date: Fri, 16 Oct 2020 12:06:17 -0400
Subject: [PATCH] Clean-up old transaction IDs on the background worker.
 (#8544)

---
 changelog.d/8544.feature                        | 1 +
 synapse/storage/databases/main/events_worker.py | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)
 create mode 100644 changelog.d/8544.feature

diff --git a/changelog.d/8544.feature b/changelog.d/8544.feature
new file mode 100644
index 0000000000..542993110b
--- /dev/null
+++ b/changelog.d/8544.feature
@@ -0,0 +1 @@
+Allow running background tasks in a separate worker process.
diff --git a/synapse/storage/databases/main/events_worker.py b/synapse/storage/databases/main/events_worker.py
index ff150f0be7..0ad9a19b3d 100644
--- a/synapse/storage/databases/main/events_worker.py
+++ b/synapse/storage/databases/main/events_worker.py
@@ -137,7 +137,7 @@ class EventsWorkerStore(SQLBaseStore):
                     db_conn, "events", "stream_ordering", step=-1
                 )
 
-        if not hs.config.worker.worker_app:
+        if hs.config.run_background_tasks:
             # We periodically clean out old transaction ID mappings
             self._clock.looping_call(
                 run_as_background_process,
-- 
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