| /** |
| * Copyright 2011-2015 Quickstep Technologies LLC. |
| * Copyright 2015 Pivotal Software, Inc. |
| * |
| * 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 "storage/PreloaderThread.hpp" |
| |
| #include <vector> |
| |
| #include "catalog/CatalogDatabase.hpp" |
| #include "catalog/CatalogRelation.hpp" |
| #include "catalog/CatalogTypedefs.hpp" |
| #include "storage/StorageBlock.hpp" |
| #include "storage/StorageBlockInfo.hpp" |
| #include "storage/StorageManager.hpp" |
| #include "threading/ThreadUtil.hpp" |
| |
| namespace quickstep { |
| |
| void PreloaderThread::run() { |
| if (cpu_id_ >= 0) { |
| ThreadUtil::BindToCPU(cpu_id_); |
| } |
| |
| const std::size_t num_slots = storage_manager_->getMaxBufferPoolSlots(); |
| std::size_t blocks_loaded = 0; |
| |
| for (const CatalogRelation &relation : database_) { |
| std::vector<block_id> blocks = relation.getBlocksSnapshot(); |
| for (block_id current_block_id : blocks) { |
| try { |
| BlockReference current_block = storage_manager_->getBlock(current_block_id, relation); |
| } catch (...) { |
| LOG(ERROR) << "Error after loading " << blocks_loaded << "blocks\n"; |
| throw; |
| } |
| ++blocks_loaded; |
| if (blocks_loaded == num_slots) { |
| // The buffer pool has filled up. But, some database blocks are not loaded. |
| printf(" The database is larger than the buffer pool. Only %lu blocks were loaded ", |
| blocks_loaded); |
| return; |
| } |
| } |
| } |
| printf(" Loaded %lu blocks ", blocks_loaded); |
| } |
| |
| } // namespace quickstep |