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Add partitioned output trace replayer
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| /* | ||
| * Copyright (c) Facebook, Inc. and its affiliates. | ||
| * | ||
| * Licensed 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 <folly/executors/IOThreadPoolExecutor.h> | ||
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|
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| #include "velox/common/memory/Memory.h" | ||
| #include "velox/exec/PartitionedOutput.h" | ||
| #include "velox/exec/QueryTraceUtil.h" | ||
| #include "velox/exec/tests/utils/AssertQueryBuilder.h" | ||
| #include "velox/exec/tests/utils/PlanBuilder.h" | ||
| #include "velox/tool/trace/PartitionedOutputReplayer.h" | ||
|
|
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| using namespace facebook::velox; | ||
| using namespace facebook::velox::exec; | ||
| using namespace facebook::velox::exec::test; | ||
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|
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| namespace facebook::velox::tool::trace { | ||
| namespace { | ||
| std::shared_ptr<core::QueryCtx> createQueryContext( | ||
| const std::unordered_map<std::string, std::string>& config, | ||
| folly::Executor* executor) { | ||
| return core::QueryCtx::create( | ||
| executor, core::QueryConfig(std::move(config))); | ||
| } | ||
|
|
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| std::function<core::PlanNodePtr(std::string, core::PlanNodePtr)> | ||
| partitionedOutputNodeFactory( | ||
| const core::PartitionedOutputNode* originalNode) { | ||
| return [=](const core::PlanNodeId& nodeId, | ||
| const core::PlanNodePtr& source) -> core::PlanNodePtr { | ||
| return std::make_shared<core::PartitionedOutputNode>( | ||
| nodeId, | ||
| originalNode->kind(), | ||
| originalNode->keys(), | ||
| originalNode->numPartitions(), | ||
| originalNode->isReplicateNullsAndAny(), | ||
| originalNode->partitionFunctionSpecPtr(), | ||
| originalNode->outputType(), | ||
| source); | ||
| }; | ||
| } | ||
|
|
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| std::vector<std::unique_ptr<folly::IOBuf>> getData( | ||
| const std::shared_ptr<exec::OutputBufferManager>& bufferManager, | ||
| const std::string& taskId, | ||
| int destination, | ||
| int64_t sequence, | ||
| folly::Executor* executor) { | ||
| auto [promise, semiFuture] = | ||
| folly::makePromiseContract<std::vector<std::unique_ptr<folly::IOBuf>>>(); | ||
| VELOX_CHECK(bufferManager->getData( | ||
| taskId, | ||
| destination, | ||
| exec::PartitionedOutput::kMinDestinationSize, | ||
| sequence, | ||
| [result = std::make_shared< | ||
| folly::Promise<std::vector<std::unique_ptr<folly::IOBuf>>>>( | ||
| std::move(promise))]( | ||
| std::vector<std::unique_ptr<folly::IOBuf>> pages, | ||
| int64_t /*inSequence*/, | ||
| std::vector<int64_t> /*remainingBytes*/) { | ||
| result->setValue(std::move(pages)); | ||
| })); | ||
| auto future = std::move(semiFuture).via(executor); | ||
| future.wait(std::chrono::seconds{10}); | ||
| VELOX_CHECK(future.isReady()); | ||
| return std::move(future).value(); | ||
| } | ||
| } // namespace | ||
|
|
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| std::vector<std::vector<std::unique_ptr<folly::IOBuf>>> getAllData( | ||
| const std::shared_ptr<exec::OutputBufferManager>& bufferManager, | ||
| const std::string& taskId, | ||
| uint32_t numPartitions, | ||
| folly::Executor* executor) { | ||
| std::vector<std::thread> consumerThreads; | ||
| std::vector<std::vector<std::unique_ptr<folly::IOBuf>>> partitionedResults; | ||
| consumerThreads.reserve(numPartitions); | ||
| partitionedResults.reserve(numPartitions); | ||
| partitionedResults.resize(numPartitions); | ||
| for (uint32_t i = 0; i < numPartitions; i++) { | ||
| consumerThreads.push_back(std::thread([&, partition = i]() { | ||
| bool finished{false}; | ||
| while (!finished) { | ||
| std::vector<std::unique_ptr<folly::IOBuf>> pages; | ||
| { | ||
| pages = getData( | ||
| bufferManager, | ||
| taskId, | ||
| partition, | ||
| partitionedResults[partition].size(), | ||
| executor); | ||
| } | ||
| for (auto& page : pages) { | ||
| if (page) { | ||
| partitionedResults[partition].push_back(std::move(page)); | ||
| } else { | ||
| // Null page indicates this buffer is finished. | ||
| bufferManager->deleteResults(taskId, partition); | ||
| finished = true; | ||
| } | ||
| } | ||
| } | ||
| })); | ||
| } | ||
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|
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| for (auto& thread : consumerThreads) { | ||
| thread.join(); | ||
| } | ||
| return partitionedResults; | ||
| } | ||
|
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| PartitionedOutputReplayer::PartitionedOutputReplayer( | ||
| const std::string& rootDir, | ||
| const std::string& taskId, | ||
| const std::string& nodeId, | ||
| const int32_t pipelineId, | ||
| const std::string& operatorType) | ||
| : OperatorReplayerBase(rootDir, taskId, nodeId, pipelineId, operatorType), | ||
| originalNode_(dynamic_cast<const core::PartitionedOutputNode*>( | ||
| core::PlanNode::findFirstNode( | ||
| planFragment_.get(), | ||
| [this](const core::PlanNode* node) { | ||
| return node->id() == nodeId_; | ||
| }))) { | ||
| VELOX_CHECK_NOT_NULL(originalNode_); | ||
| } | ||
|
|
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| RowVectorPtr PartitionedOutputReplayer::run() { | ||
| auto task = Task::create( | ||
| "local://partitioned-output-replayer", | ||
| core::PlanFragment{createPlan()}, | ||
| 0, | ||
| createQueryContext(queryConfigs_, executor_.get()), | ||
| Task::ExecutionMode::kParallel); | ||
| task->start(maxDrivers_); | ||
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| auto partitionedResults = getAllData( | ||
| bufferManager_, | ||
| task->taskId(), | ||
| originalNode_->numPartitions(), | ||
| executor_.get()); | ||
| common::testutil::TestValue::adjust( | ||
| "facebook::velox::tool::PartitionedOutputReplayer::run", | ||
| &partitionedResults); | ||
| return nullptr; | ||
| } | ||
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| core::PlanNodePtr PartitionedOutputReplayer::createPlan() const { | ||
| return PlanBuilder() | ||
| .traceScan(nodeDir_, exec::trace::getDataType(planFragment_, nodeId_)) | ||
| .addNode( | ||
| partitionedOutputNodeFactory(originalNode_)) | ||
| .planNode(); | ||
| } | ||
|
|
||
| } // namespace facebook::velox::tool::trace |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * Copyright (c) Facebook, Inc. and its affiliates. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
|
|
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| #pragma once | ||
|
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| #include <utility> | ||
|
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| #include "velox/core/PlanNode.h" | ||
| #include "velox/tool/trace/OperatorReplayerBase.h" | ||
|
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| namespace facebook::velox::tool::trace { | ||
|
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| /// Concurrently gets all partitioned buffer content (vec<IOBuf>) for every | ||
| /// partition. | ||
| std::vector<std::vector<std::unique_ptr<folly::IOBuf>>> getAllData( | ||
| const std::shared_ptr<exec::OutputBufferManager>& bufferManager, | ||
| const std::string& taskId, | ||
| uint32_t numPartitions, | ||
| folly::Executor* executor); | ||
|
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| /// The replayer to replay the traced 'PartitionedOutput' operator. | ||
| class PartitionedOutputReplayer final : public OperatorReplayerBase { | ||
| public: | ||
| PartitionedOutputReplayer( | ||
| const std::string& rootDir, | ||
| const std::string& taskId, | ||
| const std::string& nodeId, | ||
| const int32_t pipelineId, | ||
| const std::string& operatorType); | ||
|
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| RowVectorPtr run() override; | ||
|
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| private: | ||
| core::PlanNodePtr createPlan() const; | ||
|
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| const core::PartitionedOutputNode* originalNode_; | ||
|
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| std::unique_ptr<folly::Executor> executor_{ | ||
| std::make_unique<folly::CPUThreadPoolExecutor>( | ||
| std::thread::hardware_concurrency())}; | ||
|
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| const std::shared_ptr<exec::OutputBufferManager> bufferManager_{ | ||
| exec::OutputBufferManager::getInstance().lock()}; | ||
| }; | ||
| } // namespace facebook::velox::tool::trace |
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