Reduce task concurrency (#16656)

1 files changed, 1 insertions, 1 deletions

diff --git a/synapse/util/task_scheduler.py b/synapse/util/task_scheduler.py

index 29c561e555..8c2df233d3 100644
--- a/synapse/util/task_scheduler.py
+++ b/synapse/util/task_scheduler.py
@@ -71,7 +71,7 @@ class TaskScheduler:
     # Time before a complete or failed task is deleted from the DB
     KEEP_TASKS_FOR_MS = 7 * 24 * 60 * 60 * 1000  # 1 week
     # Maximum number of tasks that can run at the same time
-    MAX_CONCURRENT_RUNNING_TASKS = 10
+    MAX_CONCURRENT_RUNNING_TASKS = 5
     # Time from the last task update after which we will log a warning
     LAST_UPDATE_BEFORE_WARNING_MS = 24 * 60 * 60 * 1000  # 24hrs