| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #include "kudu/tserver/tablet_server_runner.h" |
| |
| #include <cstdint> |
| #include <iostream> |
| #include <string> |
| |
| #include <gflags/gflags.h> |
| #include <glog/logging.h> |
| |
| #include "kudu/gutil/macros.h" |
| #include "kudu/gutil/strings/substitute.h" |
| #include "kudu/tserver/tablet_server.h" |
| #include "kudu/util/fault_injection.h" |
| #include "kudu/util/flag_tags.h" |
| #include "kudu/util/flags.h" |
| #include "kudu/util/monotime.h" |
| #include "kudu/util/version_info.h" |
| |
| DEFINE_double(fault_before_start, 0.0, |
| "Fake fault flag that always causes a crash on startup. " |
| "Used to test the test infrastructure. Should never be set outside of tests."); |
| TAG_FLAG(fault_before_start, hidden); |
| TAG_FLAG(fault_before_start, unsafe); |
| |
| DECLARE_uint32(tablet_apply_pool_overload_threshold_ms); |
| |
| using gflags::SET_FLAGS_DEFAULT; |
| using std::string; |
| using std::to_string; |
| |
| namespace kudu { |
| namespace tserver { |
| |
| void SetTabletServerFlagDefaults() { |
| constexpr int32_t kDefaultNumServiceThreads = 20; |
| |
| // Reset some default values before parsing gflags. |
| CHECK_NE("", SetCommandLineOptionWithMode( |
| "rpc_bind_addresses", |
| strings::Substitute("0.0.0.0:$0", TabletServer::kDefaultPort).c_str(), |
| SET_FLAGS_DEFAULT)); |
| CHECK_NE("", SetCommandLineOptionWithMode( |
| "rpc_num_service_threads", |
| to_string(kDefaultNumServiceThreads).c_str(), |
| SET_FLAGS_DEFAULT)); |
| CHECK_NE("", SetCommandLineOptionWithMode( |
| "webserver_port", |
| to_string(TabletServer::kDefaultWebPort).c_str(), |
| SET_FLAGS_DEFAULT)); |
| // Setting the default value of the 'force_block_cache_capacity' flag to |
| // 'false' makes the corresponding group validator enforce proper settings |
| // for the memory limit and the cfile cache capacity. |
| CHECK_NE("", SetCommandLineOptionWithMode( |
| "force_block_cache_capacity", |
| "false", |
| SET_FLAGS_DEFAULT)); |
| } |
| |
| Status RunTabletServer() { |
| string nondefault_flags = GetNonDefaultFlags(); |
| LOG(INFO) << "Tablet server non-default flags:\n" |
| << nondefault_flags << '\n' |
| << "Tablet server version:\n" |
| << VersionInfo::GetAllVersionInfo(); |
| |
| TabletServer server({}); |
| RETURN_NOT_OK(server.Init()); |
| MAYBE_FAULT(FLAGS_fault_before_start); |
| RETURN_NOT_OK(server.Start()); |
| |
| while (true) { |
| SleepFor(MonoDelta::FromSeconds(60)); |
| } |
| } |
| |
| } // namespace tserver |
| } // namespace kudu |