diff --git a/src/Core/Settings.h b/src/Core/Settings.h
index 08b69e52bbc..2e901760f03 100644
--- a/src/Core/Settings.h
+++ b/src/Core/Settings.h
@@ -80,7 +80,7 @@ class IColumn;
     M(UInt64, background_pool_size, 16, "Number of threads performing background work for tables (for example, merging in merge tree). Only has meaning at server startup.", 0) \
     M(UInt64, background_move_pool_size, 8, "Number of threads performing background moves for tables. Only has meaning at server startup.", 0) \
     M(UInt64, background_fetches_pool_size, 8, "Number of threads performing background fetches for replicated tables. Only has meaning at server startup.", 0) \
-    M(UInt64, background_schedule_pool_size, 16, "Number of threads performing background tasks for replicated tables, dns cache updates. Only has meaning at server startup.", 0) \
+    M(UInt64, background_schedule_pool_size, 128, "Number of threads performing background tasks for replicated tables, dns cache updates. Only has meaning at server startup.", 0) \
     M(UInt64, background_message_broker_schedule_pool_size, 16, "Number of threads performing background tasks for message streaming. Only has meaning at server startup.", 0) \
     M(UInt64, background_distributed_schedule_pool_size, 16, "Number of threads performing background tasks for distributed sends. Only has meaning at server startup.", 0) \
     M(UInt64, max_replicated_fetches_network_bandwidth_for_server, 0, "The maximum speed of data exchange over the network in bytes per second for replicated fetches. Zero means unlimited. Only has meaning at server startup.", 0) \