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f8d086d87fa3291d0efce2dee46f999ce9087c94
doris/be/src/runtime/exec_env_init.cpp
Zhengguo Yang f8d086d87f [feature](rpc) (experimental)Support implement UDF through GRPC protocol. (#7519) 
Support implement UDF through GRPC protocol. This brings several benefits: 
1. The udf implementation language is not limited to c++, users can use any familiar language to implement udf
2. UDF is decoupled from Doris, udf will not cause doris coredump, udf computing resources are separated from doris, and doris services are not affected

But RPC's UDF has a fixed overhead, so its performance is much slower than C++ UDF, especially when the amount of data is large.

Create function like

```
CREATE FUNCTION rpc_add(INT, INT) RETURNS INT PROPERTIES (
  "SYMBOL"="add_int",
  "OBJECT_FILE"="127.0.0.1:9999",
  "TYPE"="RPC"
);
```
Function service need to implement `check_fn` and `fn_call` methods
Note:
THIS IS AN EXPERIMENTAL FEATURE, THE INTERFACE AND DATA STRUCTURE MAY BE CHANGED IN FUTURE !!!
2022-02-08 09:25:09 +08:00

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// 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 <boost/algorithm/string.hpp>
#include "agent/cgroups_mgr.h"
#include "common/config.h"
#include "common/logging.h"
#include "gen_cpp/BackendService.h"
#include "gen_cpp/FrontendService.h"
#include "gen_cpp/HeartbeatService_types.h"
#include "gen_cpp/TExtDataSourceService.h"
#include "gen_cpp/TPaloBrokerService.h"
#include "olap/page_cache.h"
#include "olap/segment_loader.h"
#include "olap/storage_engine.h"
#include "plugin/plugin_mgr.h"
#include "runtime/broker_mgr.h"
#include "runtime/bufferpool/buffer_pool.h"
#include "runtime/bufferpool/reservation_tracker.h"
#include "runtime/cache/result_cache.h"
#include "runtime/client_cache.h"
#include "runtime/data_stream_mgr.h"
#include "runtime/disk_io_mgr.h"
#include "runtime/etl_job_mgr.h"
#include "runtime/exec_env.h"
#include "runtime/external_scan_context_mgr.h"
#include "runtime/fold_constant_executor.h"
#include "runtime/fragment_mgr.h"
#include "runtime/heartbeat_flags.h"
#include "runtime/load_channel_mgr.h"
#include "runtime/load_path_mgr.h"
#include "runtime/mem_tracker.h"
#include "runtime/result_buffer_mgr.h"
#include "runtime/result_queue_mgr.h"
#include "runtime/routine_load/routine_load_task_executor.h"
#include "runtime/small_file_mgr.h"
#include "runtime/stream_load/load_stream_mgr.h"
#include "runtime/stream_load/stream_load_executor.h"
#include "runtime/thread_resource_mgr.h"
#include "runtime/tmp_file_mgr.h"
#include "util/bfd_parser.h"
#include "util/brpc_client_cache.h"
#include "util/debug_util.h"
#include "util/doris_metrics.h"
#include "util/mem_info.h"
#include "util/metrics.h"
#include "util/network_util.h"
#include "util/parse_util.h"
#include "util/pretty_printer.h"
#include "util/priority_thread_pool.hpp"
#include "vec/runtime/vdata_stream_mgr.h"
namespace doris {
DEFINE_GAUGE_METRIC_PROTOTYPE_2ARG(scanner_thread_pool_queue_size, MetricUnit::NOUNIT);
DEFINE_GAUGE_METRIC_PROTOTYPE_2ARG(etl_thread_pool_queue_size, MetricUnit::NOUNIT);
DEFINE_GAUGE_METRIC_PROTOTYPE_2ARG(send_batch_thread_pool_thread_num, MetricUnit::NOUNIT);
DEFINE_GAUGE_METRIC_PROTOTYPE_2ARG(send_batch_thread_pool_queue_size, MetricUnit::NOUNIT);
DEFINE_GAUGE_METRIC_PROTOTYPE_5ARG(query_mem_consumption, MetricUnit::BYTES, "", mem_consumption,
Labels({{"type", "query"}}));
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) {
//Only init once before be destroyed
if (_is_init) {
return Status::OK();
}
_store_paths = store_paths;
_external_scan_context_mgr = new ExternalScanContextMgr(this);
_stream_mgr = new DataStreamMgr();
_vstream_mgr = new doris::vectorized::VDataStreamMgr();
_result_mgr = new ResultBufferMgr();
_result_queue_mgr = new ResultQueueMgr();
_backend_client_cache = new BackendServiceClientCache(config::max_client_cache_size_per_host);
_frontend_client_cache = new FrontendServiceClientCache(config::max_client_cache_size_per_host);
_broker_client_cache = new BrokerServiceClientCache(config::max_client_cache_size_per_host);
_extdatasource_client_cache =
new ExtDataSourceServiceClientCache(config::max_client_cache_size_per_host);
_pool_mem_trackers = new PoolMemTrackerRegistry();
_thread_mgr = new ThreadResourceMgr();
_scan_thread_pool = new PriorityThreadPool(config::doris_scanner_thread_pool_thread_num,
config::doris_scanner_thread_pool_queue_size);
ThreadPoolBuilder("LimitedScanThreadPool")
.set_min_threads(1)
.set_max_threads(config::doris_scanner_thread_pool_thread_num)
.set_max_queue_size(config::doris_scanner_thread_pool_queue_size)
.build(&_limited_scan_thread_pool);
ThreadPoolBuilder("SendBatchThreadPool")
.set_min_threads(1)
.set_max_threads(config::send_batch_thread_pool_thread_num)
.set_max_queue_size(config::send_batch_thread_pool_queue_size)
.build(&_send_batch_thread_pool);
_etl_thread_pool = new PriorityThreadPool(config::etl_thread_pool_size,
config::etl_thread_pool_queue_size);
_cgroups_mgr = new CgroupsMgr(this, config::doris_cgroups);
_fragment_mgr = new FragmentMgr(this);
_result_cache = new ResultCache(config::query_cache_max_size_mb,
config::query_cache_elasticity_size_mb);
_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();
_broker_mgr = new BrokerMgr(this);
_load_channel_mgr = new LoadChannelMgr();
_load_stream_mgr = new LoadStreamMgr();
_internal_client_cache = new BrpcClientCache<PBackendService_Stub>();
_function_client_cache = new BrpcClientCache<PFunctionService_Stub>();
_stream_load_executor = new StreamLoadExecutor(this);
_routine_load_task_executor = new RoutineLoadTaskExecutor(this);
_small_file_mgr = new SmallFileMgr(this, config::small_file_dir);
_plugin_mgr = new PluginMgr();
_backend_client_cache->init_metrics("backend");
_frontend_client_cache->init_metrics("frontend");
_broker_client_cache->init_metrics("broker");
_extdatasource_client_cache->init_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);
}
_broker_mgr->init();
_small_file_mgr->init();
_init_mem_tracker();
RETURN_IF_ERROR(_load_channel_mgr->init(_mem_tracker->limit()));
_heartbeat_flags = new HeartbeatFlags();
_register_metrics();
_is_init = true;
return Status::OK();
}
Status ExecEnv::_init_mem_tracker() {
// 1. init global memory limit.
int64_t global_memory_limit_bytes = 0;
bool is_percent = false;
std::stringstream ss;
global_memory_limit_bytes =
ParseUtil::parse_mem_spec(config::mem_limit, -1, MemInfo::physical_mem(), &is_percent);
if (global_memory_limit_bytes <= 0) {
ss << "Failed to parse mem limit from '" + config::mem_limit + "'.";
return Status::InternalError(ss.str());
}
if (global_memory_limit_bytes > MemInfo::physical_mem()) {
LOG(WARNING) << "Memory limit "
<< PrettyPrinter::print(global_memory_limit_bytes, TUnit::BYTES)
<< " exceeds physical memory of "
<< PrettyPrinter::print(MemInfo::physical_mem(), TUnit::BYTES)
<< ". Using physical memory instead";
global_memory_limit_bytes = MemInfo::physical_mem();
}
_mem_tracker = MemTracker::CreateTracker(global_memory_limit_bytes, "Process",
MemTracker::GetRootTracker(), false, false,
MemTrackerLevel::OVERVIEW);
REGISTER_HOOK_METRIC(query_mem_consumption, [this]() { return _mem_tracker->consumption(); });
LOG(INFO) << "Using global memory limit: "
<< PrettyPrinter::print(global_memory_limit_bytes, TUnit::BYTES)
<< ", origin config value: " << config::mem_limit;
// 2. init buffer pool
if (!BitUtil::IsPowerOf2(config::min_buffer_size)) {
ss << "Config min_buffer_size must be a power-of-two: " << config::min_buffer_size;
return Status::InternalError(ss.str());
}
int64_t buffer_pool_limit =
ParseUtil::parse_mem_spec(config::buffer_pool_limit, global_memory_limit_bytes,
MemInfo::physical_mem(), &is_percent);
if (buffer_pool_limit <= 0) {
ss << "Invalid config buffer_pool_limit value, must be a percentage or "
"positive bytes value or percentage: "
<< config::buffer_pool_limit;
return Status::InternalError(ss.str());
}
buffer_pool_limit = BitUtil::RoundDown(buffer_pool_limit, config::min_buffer_size);
while (!is_percent && buffer_pool_limit > global_memory_limit_bytes / 2) {
// If buffer_pool_limit is not a percentage, and the value exceeds 50% of the total memory limit,
// it is forced to be reduced to less than 50% of the total memory limit.
// This is to ensure compatibility. In principle, buffer_pool_limit should be set as a percentage.
buffer_pool_limit = buffer_pool_limit / 2;
}
int64_t clean_pages_limit =
ParseUtil::parse_mem_spec(config::buffer_pool_clean_pages_limit, buffer_pool_limit,
MemInfo::physical_mem(), &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::InternalError(ss.str());
}
while (!is_percent && clean_pages_limit > buffer_pool_limit / 2) {
// Reason same as buffer_pool_limit
clean_pages_limit = clean_pages_limit / 2;
}
_init_buffer_pool(config::min_buffer_size, buffer_pool_limit, clean_pages_limit);
LOG(INFO) << "Buffer pool memory limit: "
<< PrettyPrinter::print(buffer_pool_limit, TUnit::BYTES)
<< ", origin config value: " << config::buffer_pool_limit
<< ". clean pages limit: " << PrettyPrinter::print(clean_pages_limit, TUnit::BYTES)
<< ", origin config value: " << config::buffer_pool_clean_pages_limit;
// 3. init storage page cache
int64_t storage_cache_limit =
ParseUtil::parse_mem_spec(config::storage_page_cache_limit, global_memory_limit_bytes,
MemInfo::physical_mem(), &is_percent);
while (!is_percent && storage_cache_limit > global_memory_limit_bytes / 2) {
// Reason same as buffer_pool_limit
storage_cache_limit = storage_cache_limit / 2;
}
int32_t index_page_cache_percentage = config::index_page_cache_percentage;
StoragePageCache::create_global_cache(storage_cache_limit, index_page_cache_percentage);
LOG(INFO) << "Storage page cache memory limit: "
<< PrettyPrinter::print(storage_cache_limit, TUnit::BYTES)
<< ", origin config value: " << config::storage_page_cache_limit;
SegmentLoader::create_global_instance(config::segment_cache_capacity);
// 4. init other managers
RETURN_IF_ERROR(_disk_io_mgr->init(_mem_tracker));
RETURN_IF_ERROR(_tmp_file_mgr->init());
// TODO(zc): The current memory usage configuration is a bit confusing,
// we need to sort out the use of memory
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::_register_metrics() {
REGISTER_HOOK_METRIC(scanner_thread_pool_queue_size,
[this]() { return _scan_thread_pool->get_queue_size(); });
REGISTER_HOOK_METRIC(etl_thread_pool_queue_size,
[this]() { return _etl_thread_pool->get_queue_size(); });
REGISTER_HOOK_METRIC(send_batch_thread_pool_thread_num,
[this]() { return _send_batch_thread_pool->num_threads(); });
REGISTER_HOOK_METRIC(send_batch_thread_pool_queue_size,
[this]() { return _send_batch_thread_pool->get_queue_size(); });
}
void ExecEnv::_deregister_metrics() {
DEREGISTER_HOOK_METRIC(scanner_thread_pool_queue_size);
DEREGISTER_HOOK_METRIC(etl_thread_pool_queue_size);
DEREGISTER_HOOK_METRIC(send_batch_thread_pool_thread_num);
DEREGISTER_HOOK_METRIC(send_batch_thread_pool_queue_size);
}
void ExecEnv::_destroy() {
//Only destroy once after init
if (!_is_init) {
return;
}
_deregister_metrics();
SAFE_DELETE(_internal_client_cache);
SAFE_DELETE(_function_client_cache);
SAFE_DELETE(_load_stream_mgr);
SAFE_DELETE(_load_channel_mgr);
SAFE_DELETE(_broker_mgr);
SAFE_DELETE(_bfd_parser);
SAFE_DELETE(_tmp_file_mgr);
SAFE_DELETE(_disk_io_mgr);
SAFE_DELETE(_load_path_mgr);
SAFE_DELETE(_etl_job_mgr);
SAFE_DELETE(_master_info);
SAFE_DELETE(_fragment_mgr);
SAFE_DELETE(_cgroups_mgr);
SAFE_DELETE(_etl_thread_pool);
SAFE_DELETE(_scan_thread_pool);
SAFE_DELETE(_thread_mgr);
SAFE_DELETE(_pool_mem_trackers);
SAFE_DELETE(_broker_client_cache);
SAFE_DELETE(_extdatasource_client_cache);
SAFE_DELETE(_frontend_client_cache);
SAFE_DELETE(_backend_client_cache);
SAFE_DELETE(_result_mgr);
SAFE_DELETE(_result_queue_mgr);
SAFE_DELETE(_stream_mgr);
SAFE_DELETE(_stream_load_executor);
SAFE_DELETE(_routine_load_task_executor);
SAFE_DELETE(_external_scan_context_mgr);
SAFE_DELETE(_heartbeat_flags);
DEREGISTER_HOOK_METRIC(query_mem_consumption);
_is_init = false;
}
void ExecEnv::destroy(ExecEnv* env) {
env->_destroy();
}
} // namespace doris
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