1 /**
2 * Copyright 2021 Huawei Technologies Co., Ltd
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include "ps/core/leader_scaler.h"
18
19 namespace mindspore {
20 namespace ps {
21 namespace core {
ScaleOutAsync(const std::shared_ptr<TcpClient> & client,const NodeManager & manager)22 void LeaderScaler::ScaleOutAsync(const std::shared_ptr<TcpClient> &client, const NodeManager &manager) {
23 MS_EXCEPTION_IF_NULL(client);
24 MS_EXCEPTION_IF_NULL(node_);
25 auto message_meta = std::make_shared<MessageMeta>();
26 MS_EXCEPTION_IF_NULL(message_meta);
27 message_meta->set_cmd(NodeCommand::SCALE_OUT);
28
29 ScaleOutMessage scale_out_message;
30 scale_out_message.set_worker_num(manager.worker_num());
31 scale_out_message.set_server_num(manager.server_num());
32
33 if (!node_->SendMessageSync(client, message_meta, Protos::PROTOBUF, scale_out_message.SerializeAsString().data(),
34 scale_out_message.ByteSizeLong())) {
35 MS_LOG(WARNING) << "Send scale out timeout!";
36 }
37
38 MS_LOG(INFO) << "The scheduler is sending scale out to workers and servers!";
39 }
40
ScaleInAsync(const std::shared_ptr<TcpClient> & client,const NodeManager & manager,bool is_node_scale_in)41 void LeaderScaler::ScaleInAsync(const std::shared_ptr<TcpClient> &client, const NodeManager &manager,
42 bool is_node_scale_in) {
43 MS_EXCEPTION_IF_NULL(client);
44 MS_EXCEPTION_IF_NULL(node_);
45 auto message_meta = std::make_shared<MessageMeta>();
46 MS_EXCEPTION_IF_NULL(message_meta);
47 message_meta->set_cmd(NodeCommand::SCALE_IN);
48
49 ScaleInMessage scale_in_message;
50 scale_in_message.set_worker_num(manager.worker_num());
51 scale_in_message.set_server_num(manager.server_num());
52 scale_in_message.set_is_node_scale_in(is_node_scale_in);
53
54 if (!node_->SendMessageSync(client, message_meta, Protos::PROTOBUF, scale_in_message.SerializeAsString().data(),
55 scale_in_message.ByteSizeLong())) {
56 MS_LOG(WARNING) << "Send scale in timeout!";
57 }
58
59 MS_LOG(INFO) << "The scheduler is sending scale in to workers and servers!";
60 }
61 } // namespace core
62 } // namespace ps
63 } // namespace mindspore
64