73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/**
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* Copyright (c) 2021 OceanBase
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* OceanBase CE is licensed under Mulan PubL v2.
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* You can use this software according to the terms and conditions of the Mulan PubL v2.
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* You may obtain a copy of Mulan PubL v2 at:
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* http://license.coscl.org.cn/MulanPubL-2.0
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PubL v2 for more details.
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*/
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#define USING_LOG_PREFIX SQL_DTL
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#include "ob_dtl_buf_allocator.h"
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#include "sql/dtl/ob_dtl.h"
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#include "sql/dtl/ob_dtl_basic_channel.h"
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#include "sql/dtl/ob_dtl_linked_buffer.h"
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#include "lib/random/ob_random.h"
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using namespace oceanbase::common;
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namespace oceanbase {
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namespace sql {
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namespace dtl {
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ObDtlLinkedBuffer *ObDtlBufAllocator::alloc_buf(ObDtlBasicChannel &ch, const int64_t payload_size)
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{
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int ret = OB_SUCCESS;
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ObDtlLinkedBuffer *buf = nullptr;
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int64_t alloc_size = max(sys_buffer_size_, payload_size);
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ObDtlTenantMemManager *tenant_mem_mgr = DTL.get_dfc_server().get_tenant_mem_manager(tenant_id_);
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if (nullptr == tenant_mem_mgr) {
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ret = OB_ERR_UNEXPECTED;
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LOG_ERROR("tenant_mem_mgr is null", K(ret), K(tenant_id_));
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} else {
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int64_t hash_val = ch.get_hash_val();
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buf = tenant_mem_mgr->alloc(hash_val, alloc_size);
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if (nullptr != buf) {
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alloc_buffer_cnt_++;
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ch.alloc_buffer_count();
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buf->set_timeout_ts(timeout_ts_);
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buf->set_size(alloc_size);
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}
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}
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LOG_DEBUG("allocate memory", K(ret), KP(ch.get_id()), K(buf), K(alloc_size));
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return buf;
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}
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void ObDtlBufAllocator::free_buf(ObDtlBasicChannel &ch, ObDtlLinkedBuffer *&buf)
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{
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int ret = OB_SUCCESS;
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ObDtlTenantMemManager *tenant_mem_mgr = DTL.get_dfc_server().get_tenant_mem_manager(tenant_id_);
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if (nullptr == tenant_mem_mgr) {
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ret = OB_ERR_UNEXPECTED;
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LOG_ERROR("tenant_mem_mgr is null", K(lbt()), K(tenant_id_), K(ret));
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} else if (OB_FAIL(tenant_mem_mgr->free(buf))) {
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LOG_WARN("failed to free buffer", K(ret), K(lbt()), K(tenant_id_));
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} else if (nullptr != buf) {
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free_buffer_cnt_++;
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ch.free_buffer_count();
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buf = nullptr;
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}
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if (nullptr != buf) {
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LOG_ERROR("fail to free dtl linked buffer", K(ret));
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}
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LOG_DEBUG("free memory", K(ret), K(buf), KP(buf), K(free_buffer_cnt_), K(alloc_buffer_cnt_));
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}
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}
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}
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}
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