Files
doris/be/src/runtime/buffered_block_mgr.cpp
2019-06-14 23:38:31 +08:00

96 lines
3.0 KiB
C++

// 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 "runtime/buffered_block_mgr.h"
#include "runtime/runtime_state.h"
#include "runtime/mem_pool.h"
#include "util/runtime_profile.h"
#include "runtime/mem_tracker.h"
namespace doris {
//BufferedBlockMgr::BlockMgrsMap BufferedBlockMgr::query_to_block_mgrs_;
//SpinLock BufferedBlockMgr::static_block_mgrs_lock_;
// BufferedBlockMgr::Block methods.
BufferedBlockMgr::Block::Block()
: _buffer_desc(NULL),
// _block_mgr(block_mgr),
_valid_data_len(0),
_num_rows(0)
{
}
Status BufferedBlockMgr::create(RuntimeState* state,
int64_t block_size, boost::shared_ptr<BufferedBlockMgr>* block_mgr) {
block_mgr->reset(new BufferedBlockMgr(state, block_size));
(*block_mgr)->init(state);
return Status::OK();
}
void BufferedBlockMgr::init(RuntimeState* state) {
_state = state;
_tuple_pool.reset(new MemPool(state->instance_mem_tracker()));
}
void BufferedBlockMgr::Block::init() {
_valid_data_len = 0;
_num_rows = 0;
}
BufferedBlockMgr::BufferedBlockMgr(RuntimeState* state, int64_t block_size)
: _max_block_size(block_size)
{
}
Status BufferedBlockMgr::get_new_block(Block** block, int64_t len) {
DCHECK_LE(len, _max_block_size) << "Cannot request blocks bigger than max_len";
*block = NULL;
Block* new_block = _obj_pool.add(new Block());
if (UNLIKELY(new_block == NULL)) {
return Status::InternalError("Allocate memory failed.");
}
uint8_t* buffer = _tuple_pool->allocate(len);
if (UNLIKELY(buffer == NULL)) {
return Status::InternalError("Allocate memory failed.");
}
//new_block->set_buffer_desc(_obj_pool.Add(new BufferDescriptor(buffer, len));
new_block->_buffer_desc = _obj_pool.add(new BufferDescriptor(buffer, len));
new_block->_buffer_desc->block = new_block;
*block = new_block;
if (UNLIKELY(_state->instance_mem_tracker()->any_limit_exceeded())) {
return Status::MemoryLimitExceeded("Memory limit exceeded");
}
return Status::OK();
}
//Status BufferedBlockMgr::Block::delete() {
//// TODO: delete block or not,we should delete the new BLOCK
//return Status::OK();
//}
Status BufferedBlockMgr::get_new_block(Block** block) {
return get_new_block(block, _max_block_size);
}
} // namespace doris