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doris/be/src/pipeline/pipeline_task.cpp

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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 "pipeline_task.h"
#include <fmt/format.h>
#include <gen_cpp/Metrics_types.h>
#include <glog/logging.h>
#include <stddef.h>
#include <ostream>
#include "pipeline/exec/operator.h"
#include "pipeline/pipeline.h"
#include "pipeline_fragment_context.h"
#include "runtime/descriptors.h"
#include "runtime/query_context.h"
#include "runtime/thread_context.h"
#include "task_queue.h"
#include "util/defer_op.h"
namespace doris {
class RuntimeState;
namespace taskgroup {
class TaskGroup;
} // namespace taskgroup
} // namespace doris
namespace doris::pipeline {
void PipelineTask::_fresh_profile_counter() {
COUNTER_SET(_wait_source_timer, (int64_t)_wait_source_watcher.elapsed_time());
COUNTER_SET(_schedule_counts, (int64_t)_schedule_time);
COUNTER_SET(_wait_sink_timer, (int64_t)_wait_sink_watcher.elapsed_time());
COUNTER_SET(_wait_worker_timer, (int64_t)_wait_worker_watcher.elapsed_time());
COUNTER_SET(_wait_schedule_timer, (int64_t)_wait_schedule_watcher.elapsed_time());
}
void PipelineTask::_init_profile() {
std::stringstream ss;
ss << "PipelineTask"
<< " (index=" << _index << ")";
auto* task_profile = new RuntimeProfile(ss.str());
_parent_profile->add_child(task_profile, true, nullptr);
_task_profile.reset(task_profile);
_task_cpu_timer = ADD_TIMER(_task_profile, "TaskCpuTime");
static const char* exec_time = "ExecuteTime";
_exec_timer = ADD_TIMER(_task_profile, exec_time);
_prepare_timer = ADD_CHILD_TIMER(_task_profile, "PrepareTime", exec_time);
_open_timer = ADD_CHILD_TIMER(_task_profile, "OpenTime", exec_time);
_get_block_timer = ADD_CHILD_TIMER(_task_profile, "GetBlockTime", exec_time);
_sink_timer = ADD_CHILD_TIMER(_task_profile, "SinkTime", exec_time);
_finalize_timer = ADD_CHILD_TIMER(_task_profile, "FinalizeTime", exec_time);
_close_timer = ADD_CHILD_TIMER(_task_profile, "CloseTime", exec_time);
_wait_source_timer = ADD_TIMER(_task_profile, "WaitSourceTime");
_wait_sink_timer = ADD_TIMER(_task_profile, "WaitSinkTime");
_wait_worker_timer = ADD_TIMER(_task_profile, "WaitWorkerTime");
_wait_schedule_timer = ADD_TIMER(_task_profile, "WaitScheduleTime");
_block_counts = ADD_COUNTER(_task_profile, "NumBlockedTimes", TUnit::UNIT);
_block_by_source_counts = ADD_COUNTER(_task_profile, "NumBlockedBySrcTimes", TUnit::UNIT);
_block_by_sink_counts = ADD_COUNTER(_task_profile, "NumBlockedBySinkTimes", TUnit::UNIT);
_schedule_counts = ADD_COUNTER(_task_profile, "NumScheduleTimes", TUnit::UNIT);
_yield_counts = ADD_COUNTER(_task_profile, "NumYieldTimes", TUnit::UNIT);
_core_change_times = ADD_COUNTER(_task_profile, "CoreChangeTimes", TUnit::UNIT);
}
Status PipelineTask::prepare(RuntimeState* state) {
DCHECK(_sink);
DCHECK(_cur_state == PipelineTaskState::NOT_READY);
_init_profile();
SCOPED_TIMER(_task_profile->total_time_counter());
SCOPED_CPU_TIMER(_task_cpu_timer);
SCOPED_TIMER(_prepare_timer);
RETURN_IF_ERROR(_sink->prepare(state));
for (auto& o : _operators) {
RETURN_IF_ERROR(o->prepare(state));
}
_task_profile->add_info_string("Sink", fmt::format("{}({})", _sink->get_name(), _sink->id()));
fmt::memory_buffer operator_ids_str;
for (size_t i = 0; i < _operators.size(); i++) {
if (i == 0) {
fmt::format_to(operator_ids_str,
fmt::format("[{}({})", _operators[i]->get_name(), _operators[i]->id()));
} else {
fmt::format_to(operator_ids_str,
fmt::format(", {}({})", _operators[i]->get_name(), _operators[i]->id()));
}
}
fmt::format_to(operator_ids_str, "]");
_task_profile->add_info_string("OperatorIds(source2root)", fmt::to_string(operator_ids_str));
_block = doris::vectorized::Block::create_unique();
// We should make sure initial state for task are runnable so that we can do some preparation jobs (e.g. initialize runtime filters).
set_state(PipelineTaskState::RUNNABLE);
_prepared = true;
return Status::OK();
}
bool PipelineTask::has_dependency() {
if (_dependency_finish) {
return false;
}
if (_fragment_context->is_canceled()) {
_dependency_finish = true;
return false;
}
if (_pipeline->has_dependency()) {
return true;
}
if (!query_context()->is_ready_to_execute()) {
return true;
}
// runtime filter is a dependency
_dependency_finish = true;
return false;
}
Status PipelineTask::_open() {
SCOPED_TIMER(_task_profile->total_time_counter());
SCOPED_CPU_TIMER(_task_cpu_timer);
SCOPED_TIMER(_open_timer);
for (auto& o : _operators) {
RETURN_IF_ERROR(o->open(_state));
}
if (_sink) {
RETURN_IF_ERROR(_sink->open(_state));
}
_opened = true;
return Status::OK();
}
void PipelineTask::set_task_queue(TaskQueue* task_queue) {
_task_queue = task_queue;
}
Status PipelineTask::execute(bool* eos) {
SCOPED_TIMER(_task_profile->total_time_counter());
SCOPED_CPU_TIMER(_task_cpu_timer);
SCOPED_TIMER(_exec_timer);
SCOPED_ATTACH_TASK(_state);
int64_t time_spent = 0;
Defer defer {[&]() {
if (_task_queue) {
_task_queue->update_statistics(this, time_spent);
}
}};
// The status must be runnable
*eos = false;
if (!_opened) {
{
SCOPED_RAW_TIMER(&time_spent);
auto st = _open();
if (st.is<ErrorCode::PIP_WAIT_FOR_RF>()) {
set_state(PipelineTaskState::BLOCKED_FOR_RF);
return Status::OK();
} else if (st.is<ErrorCode::PIP_WAIT_FOR_SC>()) {
set_state(PipelineTaskState::BLOCKED_FOR_SOURCE);
return Status::OK();
}
RETURN_IF_ERROR(st);
}
if (has_dependency()) {
set_state(PipelineTaskState::BLOCKED_FOR_DEPENDENCY);
return Status::OK();
}
if (!_source->can_read()) {
set_state(PipelineTaskState::BLOCKED_FOR_SOURCE);
return Status::OK();
}
if (!_sink->can_write()) {
set_state(PipelineTaskState::BLOCKED_FOR_SINK);
return Status::OK();
}
}
while (!_fragment_context->is_canceled()) {
if (_data_state != SourceState::MORE_DATA && !_source->can_read()) {
set_state(PipelineTaskState::BLOCKED_FOR_SOURCE);
break;
}
if (!_sink->can_write()) {
set_state(PipelineTaskState::BLOCKED_FOR_SINK);
break;
}
if (time_spent > THREAD_TIME_SLICE) {
COUNTER_UPDATE(_yield_counts, 1);
break;
}
SCOPED_RAW_TIMER(&time_spent);
_block->clear_column_data(_root->row_desc().num_materialized_slots());
auto* block = _block.get();
// Pull block from operator chain
{
SCOPED_TIMER(_get_block_timer);
RETURN_IF_ERROR(_root->get_block(_state, block, _data_state));
}
*eos = _data_state == SourceState::FINISHED;
if (_block->rows() != 0 || *eos) {
SCOPED_TIMER(_sink_timer);
auto status = _sink->sink(_state, block, _data_state);
*eos = status.is<ErrorCode::END_OF_FILE>() ? true : *eos;
if (*eos) { // just return, the scheduler will do finish work
break;
}
RETURN_IF_ERROR(status);
}
}
return Status::OK();
}
Status PipelineTask::finalize() {
SCOPED_TIMER(_task_profile->total_time_counter());
SCOPED_CPU_TIMER(_task_cpu_timer);
Defer defer {[&]() {
if (_task_queue) {
_task_queue->update_statistics(this, _finalize_timer->value());
}
}};
SCOPED_TIMER(_finalize_timer);
return _sink->finalize(_state);
}
Status PipelineTask::try_close() {
return _source->try_close();
}
Status PipelineTask::close() {
int64_t close_ns = 0;
Defer defer {[&]() {
if (_task_queue) {
_task_queue->update_statistics(this, close_ns);
}
}};
Status s;
{
SCOPED_RAW_TIMER(&close_ns);
s = _sink->close(_state);
for (auto& op : _operators) {
auto tem = op->close(_state);
if (!tem.ok() && s.ok()) {
s = tem;
}
}
}
if (_opened) {
_fresh_profile_counter();
COUNTER_SET(_close_timer, close_ns);
COUNTER_UPDATE(_task_profile->total_time_counter(), close_ns);
}
return s;
}
QueryContext* PipelineTask::query_context() {
return _fragment_context->get_query_context();
}
// The FSM see PipelineTaskState's comment
void PipelineTask::set_state(PipelineTaskState state) {
if (_cur_state == state) {
return;
}
if (_cur_state == PipelineTaskState::BLOCKED_FOR_SOURCE) {
if (state == PipelineTaskState::RUNNABLE) {
_wait_source_watcher.stop();
}
} else if (_cur_state == PipelineTaskState::BLOCKED_FOR_SINK) {
if (state == PipelineTaskState::RUNNABLE) {
_wait_sink_watcher.stop();
}
} else if (_cur_state == PipelineTaskState::RUNNABLE) {
COUNTER_UPDATE(_block_counts, 1);
if (state == PipelineTaskState::BLOCKED_FOR_SOURCE) {
_wait_source_watcher.start();
COUNTER_UPDATE(_block_by_source_counts, 1);
} else if (state == PipelineTaskState::BLOCKED_FOR_SINK) {
_wait_sink_watcher.start();
COUNTER_UPDATE(_block_by_sink_counts, 1);
}
}
_cur_state = state;
}
std::string PipelineTask::debug_string() {
fmt::memory_buffer debug_string_buffer;
std::stringstream profile_ss;
_fresh_profile_counter();
_task_profile->pretty_print(&profile_ss, "");
fmt::format_to(debug_string_buffer, "Profile: {}\n", profile_ss.str());
fmt::format_to(debug_string_buffer, "PipelineTask[id = {}, state = {}]\noperators: ", _index,
get_state_name(_cur_state));
for (size_t i = 0; i < _operators.size(); i++) {
fmt::format_to(debug_string_buffer, "\n{}{}", std::string(i * 2, ' '),
_operators[i]->debug_string());
}
fmt::format_to(debug_string_buffer, "\n{}{}", std::string(_operators.size() * 2, ' '),
_sink->debug_string());
return fmt::to_string(debug_string_buffer);
}
taskgroup::TaskGroup* PipelineTask::get_task_group() const {
return _fragment_context->get_task_group();
}
} // namespace doris::pipeline
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