diff --git a/src/ctrip_swap_iter.c b/src/ctrip_swap_iter.c
index 2850d1d75c2..9b9db6c946d 100644
--- a/src/ctrip_swap_iter.c
+++ b/src/ctrip_swap_iter.c
@@ -290,9 +290,6 @@ rocksIter *rocksCreateIter(rocks *rocks, redisDb *db) {
         rocksdb_options_t* cf_opts[CF_COUNT], *db_opts;
         db_opts = rocksdb_options_create_copy(rocks->db_opts);
         rocksdb_options_set_db_log_dir(db_opts, "");
-        /* disable background jobs since child have no background threads */
-        rocksdb_options_set_max_background_jobs(db_opts, 0);
-        rocksdb_options_set_max_background_compactions(db_opts, 0);
         for (i = 0; i < CF_COUNT; i++) {
             /* disable cf cache since cache is useless for iterator */
             cf_opts[i] = rocksdb_options_create_copy(rocks->cf_opts[i]);
@@ -303,10 +300,12 @@ rocksIter *rocksCreateIter(rocks *rocks, redisDb *db) {
         }
 
         char *errs[CF_COUNT] = {NULL};
-        rocksdb_t* checkpoint_db = rocksdb_open_column_families(db_opts,
+        /* Open checkpoint read-only so child iteration never schedules bg work to 
+           avoid potential rocksdb hanging. */
+        rocksdb_t* checkpoint_db = rocksdb_open_for_read_only_column_families(db_opts,
                 server.rocksdb_rdb_checkpoint_dir, CF_COUNT, swap_cf_names,
                 (const rocksdb_options_t *const *)cf_opts,
-                it->cf_handles, errs);
+                it->cf_handles, 0, errs);
         for (i = 0; i < CF_COUNT; i++) rocksdb_options_destroy(cf_opts[i]);
         rocksdb_options_destroy(db_opts);
 
@@ -691,4 +690,3 @@ int swapIterTest(int argc, char *argv[], int accurate) {
 
 
 #endif
-