diff --git a/doc/src/sgml/monitoring.sgml b/doc/src/sgml/monitoring.sgml
index b8ffc210a4a..cfddd33da1d 100644
--- a/doc/src/sgml/monitoring.sgml
+++ b/doc/src/sgml/monitoring.sgml
@@ -2242,6 +2242,11 @@ postgres   27093  0.0  0.0  30096  2752 ?        Ss   11:34   0:00 postgres: ser
       <entry>Waiting during recovery when WAL data is not available from any
        source (<filename>pg_wal</filename>, archive or stream).</entry>
      </row>
+     <row>
+      <entry><literal>RegisterSyncRequest</literal></entry>
+      <entry>Waiting while sending synchronization requests to the
+       checkpointer, because the request queue is full.</entry>
+     </row>
      <row>
       <entry><literal>VacuumDelay</literal></entry>
       <entry>Waiting in a cost-based vacuum delay point.</entry>
diff --git a/src/backend/storage/sync/sync.c b/src/backend/storage/sync/sync.c
index a12b3572759..ea076a4106a 100644
--- a/src/backend/storage/sync/sync.c
+++ b/src/backend/storage/sync/sync.c
@@ -30,6 +30,7 @@
 #include "postmaster/bgwriter.h"
 #include "storage/bufmgr.h"
 #include "storage/ipc.h"
+#include "storage/latch.h"
 #include "storage/md.h"
 #include "utils/hsearch.h"
 #include "utils/inval.h"
@@ -606,7 +607,8 @@ RegisterSyncRequest(const FileTag *ftag, SyncRequestType type,
 		if (ret || (!ret && !retryOnError))
 			break;
 
-		pg_usleep(10000L);
+		WaitLatch(NULL, WL_EXIT_ON_PM_DEATH | WL_TIMEOUT, 10,
+				  WAIT_EVENT_REGISTER_SYNC_REQUEST);
 	}
 
 	return ret;
diff --git a/src/backend/utils/activity/wait_event.c b/src/backend/utils/activity/wait_event.c
index affbcf25db6..1a30faf8ad4 100644
--- a/src/backend/utils/activity/wait_event.c
+++ b/src/backend/utils/activity/wait_event.c
@@ -485,6 +485,9 @@ pgstat_get_wait_timeout(WaitEventTimeout w)
 		case WAIT_EVENT_RECOVERY_RETRIEVE_RETRY_INTERVAL:
 			event_name = "RecoveryRetrieveRetryInterval";
 			break;
+		case WAIT_EVENT_REGISTER_SYNC_REQUEST:
+			event_name = "RegisterSyncRequest";
+			break;
 		case WAIT_EVENT_VACUUM_DELAY:
 			event_name = "VacuumDelay";
 			break;
diff --git a/src/include/utils/wait_event.h b/src/include/utils/wait_event.h
index 1fb6f640138..4b1cea65938 100644
--- a/src/include/utils/wait_event.h
+++ b/src/include/utils/wait_event.h
@@ -141,7 +141,8 @@ typedef enum
 	WAIT_EVENT_RECOVERY_APPLY_DELAY,
 	WAIT_EVENT_RECOVERY_RETRIEVE_RETRY_INTERVAL,
 	WAIT_EVENT_VACUUM_DELAY,
-	WAIT_EVENT_CHECKPOINT_WRITE_DELAY
+	WAIT_EVENT_CHECKPOINT_WRITE_DELAY,
+	WAIT_EVENT_REGISTER_SYNC_REQUEST
 } WaitEventTimeout;
 
 /* ----------