96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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#include "runtime/buffered_block_mgr.h"
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#include "runtime/runtime_state.h"
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#include "runtime/mem_pool.h"
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#include "util/runtime_profile.h"
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#include "runtime/mem_tracker.h"
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namespace doris {
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//BufferedBlockMgr::BlockMgrsMap BufferedBlockMgr::query_to_block_mgrs_;
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//SpinLock BufferedBlockMgr::static_block_mgrs_lock_;
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// BufferedBlockMgr::Block methods.
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BufferedBlockMgr::Block::Block()
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: _buffer_desc(NULL),
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// _block_mgr(block_mgr),
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_valid_data_len(0),
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_num_rows(0)
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{
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}
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Status BufferedBlockMgr::create(RuntimeState* state,
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int64_t block_size, boost::shared_ptr<BufferedBlockMgr>* block_mgr) {
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block_mgr->reset(new BufferedBlockMgr(state, block_size));
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(*block_mgr)->init(state);
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return Status::OK();
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}
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void BufferedBlockMgr::init(RuntimeState* state) {
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_state = state;
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_tuple_pool.reset(new MemPool(state->instance_mem_tracker()));
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}
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void BufferedBlockMgr::Block::init() {
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_valid_data_len = 0;
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_num_rows = 0;
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}
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BufferedBlockMgr::BufferedBlockMgr(RuntimeState* state, int64_t block_size)
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: _max_block_size(block_size)
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{
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}
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Status BufferedBlockMgr::get_new_block(Block** block, int64_t len) {
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DCHECK_LE(len, _max_block_size) << "Cannot request blocks bigger than max_len";
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*block = NULL;
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Block* new_block = _obj_pool.add(new Block());
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if (UNLIKELY(new_block == NULL)) {
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return Status::InternalError("Allocate memory failed.");
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}
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uint8_t* buffer = _tuple_pool->allocate(len);
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if (UNLIKELY(buffer == NULL)) {
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return Status::InternalError("Allocate memory failed.");
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}
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//new_block->set_buffer_desc(_obj_pool.Add(new BufferDescriptor(buffer, len));
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new_block->_buffer_desc = _obj_pool.add(new BufferDescriptor(buffer, len));
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new_block->_buffer_desc->block = new_block;
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*block = new_block;
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if (UNLIKELY(_state->instance_mem_tracker()->any_limit_exceeded())) {
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return Status::MemoryLimitExceeded("Memory limit exceeded");
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}
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return Status::OK();
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}
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//Status BufferedBlockMgr::Block::delete() {
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//// TODO: delete block or not,we should delete the new BLOCK
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//return Status::OK();
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//}
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Status BufferedBlockMgr::get_new_block(Block** block) {
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return get_new_block(block, _max_block_size);
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}
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} // namespace doris
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