By default, reconstruction should only be enabled for actor creation. (#6613)

* wip

* fix

* fix

src/ray/common/ray_config_def.h

@@ -49,6 +49,10 @@ RAY_CONFIG(bool, new_scheduler_enabled, false)
 // Objects larger than this size will be spilled/promoted to plasma.
 RAY_CONFIG(int64_t, max_direct_call_object_size, 100 * 1024)
 
+// The min number of retries for direct actor creation tasks. The actual number
+// of creation retries will be MAX(actor_creation_min_retries, max_reconstructions).
+RAY_CONFIG(uint64_t, actor_creation_min_retries, 3)
+
 /// The initial period for a task execution lease. The lease will expire this
 /// many milliseconds after the first acquisition of the lease. Nodes that
 /// require an object will not try to reconstruct the task until at least

src/ray/core_worker/core_worker.cc

@@ -650,8 +650,10 @@ Status CoreWorker::CreateActor(const RayFunction &function,
   *return_actor_id = actor_id;
   TaskSpecification task_spec = builder.Build();
   if (actor_creation_options.is_direct_call) {
-    task_manager_->AddPendingTask(GetCallerId(), rpc_address_, task_spec,
-                                  actor_creation_options.max_reconstructions);
+    task_manager_->AddPendingTask(
+        GetCallerId(), rpc_address_, task_spec,
+        std::max(RayConfig::instance().actor_creation_min_retries(),
+                 actor_creation_options.max_reconstructions));
     return direct_task_submitter_->SubmitTask(task_spec);
   } else {
     return local_raylet_client_->SubmitTask(task_spec);