From d741576e68ed8cf889fa16593e15502117f7bea1 Mon Sep 17 00:00:00 2001
From: seiriosPlus <tangwei12@baidu.com>
Date: Sun, 27 Sep 2020 19:48:00 +0800
Subject: [PATCH] add large scale UT

---
 .../operators/distributed/rpc_server_test.cc  | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)

diff --git a/paddle/fluid/operators/distributed/rpc_server_test.cc b/paddle/fluid/operators/distributed/rpc_server_test.cc
index 5ce7ac85269..bfb9c77dcc0 100644
--- a/paddle/fluid/operators/distributed/rpc_server_test.cc
+++ b/paddle/fluid/operators/distributed/rpc_server_test.cc
@@ -26,6 +26,7 @@ limitations under the License. */
 
 #include "paddle/fluid/operators/distributed/distributed.h"
 #include "paddle/fluid/operators/distributed/heart_beat_monitor.h"
+#include "paddle/fluid/operators/distributed/large_scale_kv.h"
 #include "paddle/fluid/operators/distributed/request_handler_impl.h"
 #include "paddle/fluid/operators/distributed/rpc_client.h"
 #include "paddle/fluid/operators/distributed/rpc_server.h"
@@ -230,3 +231,85 @@ TEST(SENDANDRECV, CPU) {
   g_rpc_service.reset(nullptr);
   g_req_handler.reset(nullptr);
 }
+
+void StartCheckpointServer(const std::string& rpc_name) {
+  framework::ProgramDesc program;
+  framework::Scope scope;
+  platform::CPUPlace place;
+  framework::Executor exe(place);
+  platform::CPUDeviceContext ctx(place);
+
+  std::vector<distributed::SparseMeta> metas;
+
+  auto meta = distributed::SparseMeta();
+  meta.name = "embedding.block0";
+  meta.value_names = "Param";
+  meta.value_dims = "64";
+  meta.mode = "0";
+  meta.grad_name = "embedding@Grad";
+  meta.cached_varnames = "kSparseIds";
+  meta.initializer_attrs = "fill_constant&1.0";
+  meta.entry = "none";
+  metas.push_back(meta);
+  distributed::LargeScaleKV::Init(metas);
+
+  std::unordered_map<std::string,
+                     std::shared_ptr<framework::ExecutorPrepareContext>>
+      prefetch_var_name_to_prepared;
+
+  g_req_handler->SetProgram(&program);
+  g_req_handler->SetPrefetchPreparedCtx(&prefetch_var_name_to_prepared);
+  g_req_handler->SetDevCtx(&ctx);
+  g_req_handler->SetScope(&scope);
+  g_req_handler->SetExecutor(&exe);
+
+  g_rpc_service->RegisterRPC(rpc_name, g_req_handler.get());
+
+  g_req_handler->SetRPCServer(g_rpc_service.get());
+
+  std::thread server_thread(
+      std::bind(&distributed::RPCServer::StartServer, g_rpc_service.get()));
+
+  server_thread.join();
+}
+
+TEST(LARGE_SCALE_CHECKPOINT, CPU) {
+  setenv("http_proxy", "", 1);
+  setenv("https_proxy", "", 1);
+  g_req_handler.reset(new distributed::RequestNotifyHandler(
+      distributed::DistributedMode::kAsync));
+  g_rpc_service.reset(new RPCSERVER_T("127.0.0.1:0", 1));
+  distributed::RPCClient* client =
+      distributed::RPCClient::GetInstance<RPCCLIENT_T>(0);
+  PADDLE_ENFORCE_NE(client, nullptr,
+                    platform::errors::InvalidArgument(
+                        "Client Start Fail, Check Your Code & Env"));
+
+  std::thread server_thread(StartCheckpointServer, distributed::kRequestNotify);
+
+  g_rpc_service->WaitServerReady();
+  int port = g_rpc_service->GetSelectedPort();
+  std::string ep = paddle::string::Sprintf("127.0.0.1:%d", port);
+
+  framework::Scope scope;
+  platform::CPUPlace place;
+  platform::CPUDeviceContext ctx(place);
+
+  auto save_path = string::Sprintf("%s/%s/%s", "/tmp/large_scale_table/base",
+                                   "embedding", "embedding.block0");
+  int mode = 0;
+  client->AsyncCheckpointNotify(ep, save_path, "embedding.block0", mode);
+  client->Wait();
+
+  save_path = string::Sprintf("%s/%s/%s", "/tmp/large_scale_table/delta",
+                              "embedding", "embedding.block0");
+  mode = 1;
+  client->AsyncCheckpointNotify(ep, save_path, "embedding.block0", mode);
+  client->Wait();
+
+  g_rpc_service->ShutDown();
+  server_thread.join();
+  LOG(INFO) << "begin reset";
+  g_rpc_service.reset(nullptr);
+  g_req_handler.reset(nullptr);
+}
-- 
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