text: // 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 "runtime/exec_env.h"
  
  #include <boost/algorithm/string.hpp>
  
  #include "common/config.h"
  #include "common/logging.h"
  #include "runtime/broker_mgr.h"
  #include "runtime/bufferpool/buffer_pool.h"
  #include "runtime/client_cache.h"
  #include "runtime/data_stream_mgr.h"
  #include "runtime/disk_io_mgr.h"
  #include "runtime/result_buffer_mgr.h"
  #include "runtime/mem_tracker.h"
  #include "runtime/thread_resource_mgr.h"
  #include "runtime/fragment_mgr.h"
  #include "runtime/tablet_writer_mgr.h"
  #include "runtime/tmp_file_mgr.h"
  #include "runtime/bufferpool/reservation_tracker.h"
  #include "util/metrics.h"
  #include "util/network_util.h"
  #include "util/parse_util.h"
  #include "util/mem_info.h"
  #include "util/debug_util.h"
  #include "olap/olap_engine.h"
  #include "util/network_util.h"
  #include "util/bfd_parser.h"
  #include "runtime/etl_job_mgr.h"
  #include "runtime/load_path_mgr.h"
  #include "runtime/load_stream_mgr.h"
  #include "runtime/pull_load_task_mgr.h"
  #include "util/pretty_printer.h"
  #include "util/doris_metrics.h"
  #include "util/brpc_stub_cache.h"
  #include "util/priority_thread_pool.hpp"
  #include "agent/cgroups_mgr.h"
  #include "util/thread_pool.hpp"
  #include "gen_cpp/BackendService.h"
  #include "gen_cpp/FrontendService.h"
  #include "gen_cpp/TPaloBrokerService.h"
  #include "gen_cpp/TExtDataSourceService.h"
  #include "gen_cpp/HeartbeatService_types.h"
  
  namespace doris {
  
  Status ExecEnv::init(ExecEnv* env, const std::vector<StorePath>& store_paths) {
      return env->_init(store_paths);
  }
  
  Status ExecEnv::_init(const std::vector<StorePath>& store_paths) {
      _store_paths = store_paths;
      
      _metrics = DorisMetrics::metrics();
      _stream_mgr = new DataStreamMgr();
      _result_mgr = new ResultBufferMgr();
      _client_cache = new BackendServiceClientCache();
      _frontend_client_cache = new FrontendServiceClientCache();
      _broker_client_cache = new BrokerServiceClientCache();
      _extdatasource_client_cache = new ExtDataSourceServiceClientCache();
      _mem_tracker = nullptr;
      _pool_mem_trackers = new PoolMemTrackerRegistry();
      _thread_mgr = new ThreadResourceMgr();
      _thread_pool = new PriorityThreadPool(
          config::doris_scanner_thread_pool_thread_num,
          config::doris_scanner_thread_pool_queue_size);
      _etl_thread_pool = new ThreadPool(
          config::etl_thread_pool_size,
          config::etl_thread_pool_queue_size);
      _cgroups_mgr = new CgroupsMgr(this, config::doris_cgroups);
      _fragment_mgr = new FragmentMgr(this);
      _master_info = new TMasterInfo();
      _etl_job_mgr = new EtlJobMgr(this);
      _load_path_mgr = new LoadPathMgr(this);
      _disk_io_mgr = new DiskIoMgr();
      _tmp_file_mgr = new TmpFileMgr(this),
      _bfd_parser = BfdParser::create();
      _pull_load_task_mgr = new PullLoadTaskMgr(config::pull_load_task_dir);
      _broker_mgr = new BrokerMgr(this);
      _tablet_writer_mgr = new TabletWriterMgr(this);
      _load_stream_mgr = new LoadStreamMgr();
      _brpc_stub_cache = new BrpcStubCache();
  
      _client_cache->init_metrics(DorisMetrics::metrics(), "backend");
      _frontend_client_cache->init_metrics(DorisMetrics::metrics(), "frontend");
      _broker_client_cache->init_metrics(DorisMetrics::metrics(), "broker");
      _extdatasource_client_cache->init_metrics(DorisMetrics::metrics(), "extdatasource");
      _result_mgr->init();
      _cgroups_mgr->init_cgroups();
      _etl_job_mgr->init();
      Status status = _load_path_mgr->init();
      if (!status.ok()) {
          LOG(ERROR) << "load path mgr init failed." << status.get_error_msg();
          exit(-1);
      }
      status = _pull_load_task_mgr->init();
      if (!status.ok()) {
          LOG(ERROR) << "pull load task manager init failed." << status.get_error_msg();
          exit(-1);
      }
      _broker_mgr->init();
      return _init_mem_tracker();
  }
  
  Status ExecEnv::_init_mem_tracker() {
      // Initialize global memory limit.
      int64_t bytes_limit = 0;
      bool is_percent = false;
      std::stringstream ss;
      // --mem_limit="" means no memory limit
      bytes_limit = ParseUtil::parse_mem_spec(config::mem_limit, &is_percent);
      if (bytes_limit < 0) {
          ss << "Failed to parse mem limit from '" + config::mem_limit + "'.";
          return Status(ss.str());
      }
  
      if (!BitUtil::IsPowerOf2(config::min_buffer_size)) {
          ss << "--min_buffer_size must be a power-of-two: " << config::min_buffer_size;
          return Status(ss.str());
      }
  
      int64_t buffer_pool_limit = ParseUtil::parse_mem_spec(
          config::buffer_pool_limit, &is_percent);
      if (buffer_pool_limit <= 0) {
          ss << "Invalid --buffer_pool_limit value, must be a percentage or "
             "positive bytes value or percentage: " << config::buffer_pool_limit;
          return Status(ss.str());
      }
      buffer_pool_limit = BitUtil::RoundDown(buffer_pool_limit, config::min_buffer_size);
  
      int64_t clean_pages_limit = ParseUtil::parse_mem_spec(
          config::buffer_pool_clean_pages_limit, &is_percent);
      if (clean_pages_limit <= 0) {
          ss << "Invalid --buffer_pool_clean_pages_limit value, must be a percentage or "
                "positive bytes value or percentage: " << config::buffer_pool_clean_pages_limit;
          return Status(ss.str());
      }
  
      _init_buffer_pool(config::min_buffer_size, buffer_pool_limit, clean_pages_limit);
  
      // Limit of 0 means no memory limit.
      if (bytes_limit > 0) {
          _mem_tracker = new MemTracker(bytes_limit);
      }
  
      if (bytes_limit > MemInfo::physical_mem()) {
          LOG(WARNING) << "Memory limit "
                       << PrettyPrinter::print(bytes_limit, TUnit::BYTES)
                       << " exceeds physical memory of "
                       << PrettyPrinter::print(MemInfo::physical_mem(),
                                               TUnit::BYTES);
      }
  
      LOG(INFO) << "Using global memory limit: " << PrettyPrinter::print(bytes_limit, TUnit::BYTES);
      RETURN_IF_ERROR(_disk_io_mgr->init(_mem_tracker));
      RETURN_IF_ERROR(_tmp_file_mgr->init(DorisMetrics::metrics()));
      return Status::OK;
  }
  
  void ExecEnv::_init_buffer_pool(int64_t min_page_size,
                                  int64_t capacity,
                                  int64_t clean_pages_limit) {
      DCHECK(_buffer_pool == nullptr);
      _buffer_pool = new BufferPool(min_page_size, capacity, clean_pages_limit);
      _buffer_reservation = new ReservationTracker();
      _buffer_reservation->InitRootTracker(nullptr, capacity);
  }
  
  void ExecEnv::_destory() {
      delete _brpc_stub_cache;
      delete _load_stream_mgr;
      delete _tablet_writer_mgr;
      delete _broker_mgr;
      delete _pull_load_task_mgr;
      delete _bfd_parser;
      delete _tmp_file_mgr;
      delete _disk_io_mgr;
      delete _load_path_mgr;
      delete _etl_job_mgr;
      delete _master_info;
      delete _fragment_mgr;
      delete _cgroups_mgr;
      delete _etl_thread_pool;
      delete _thread_pool;
      delete _thread_mgr;
      delete _pool_mem_trackers;
      delete _mem_tracker;
      delete _broker_client_cache;
      delete _extdatasource_client_cache;
      delete _frontend_client_cache;
      delete _client_cache;
      delete _result_mgr;
      delete _stream_mgr;
      _metrics = nullptr;
  }
  
  void ExecEnv::destroy(ExecEnv* env) {
      env->_destory();
  }
  
  }
  