diff --git a/ci/scripts/run-backfill-tests.sh b/ci/scripts/run-backfill-tests.sh
index ac552cfcdcdd0..c03762a7150a7 100755
--- a/ci/scripts/run-backfill-tests.sh
+++ b/ci/scripts/run-backfill-tests.sh
@@ -185,6 +185,9 @@ test_sink_backfill_recovery() {
   # Check progress
   sqllogictest -p 4566 -d dev 'e2e_test/backfill/sink/create_sink.slt'
 
+  # Sleep before restart cluster, to ensure the downstream sink actually gets created.
+  sleep 5
+
   # Restart
   restart_cluster
   sleep 5
diff --git a/e2e_test/backfill/sink/create_sink.slt b/e2e_test/backfill/sink/create_sink.slt
index 017eb8e693de2..016e3bcb2049b 100644
--- a/e2e_test/backfill/sink/create_sink.slt
+++ b/e2e_test/backfill/sink/create_sink.slt
@@ -5,9 +5,9 @@ statement ok
 create table t (v1 int);
 
 statement ok
-SET STREAMING_RATE_LIMIT = 1000;
+SET STREAMING_RATE_LIMIT = 500;
 
-# Should finish in 10s
+# Should finish in 20s
 statement ok
 insert into t select * from generate_series(1, 10000);