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469
src/storage/ob_table_store_stat_mgr.cpp
Normal file
469
src/storage/ob_table_store_stat_mgr.cpp
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@ -0,0 +1,469 @@
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/**
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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 STORAGE
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#include "ob_table_store_stat_mgr.h"
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#include "lib/ob_errno.h"
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#include "lib/allocator/ob_mod_define.h"
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#include "share/ob_thread_mgr.h"
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namespace oceanbase {
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using namespace common;
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namespace storage {
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// ------------------ Statistic ------------------ //
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bool ObMergeIterStat::is_valid() const
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{
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return call_cnt_ >= 0 && output_row_cnt_ >= 0;
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}
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int ObMergeIterStat::add(const ObMergeIterStat& other)
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{
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int ret = OB_SUCCESS;
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if (!is_valid()) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("self is invalid", K(ret), K(*this));
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} else if (!other.is_valid()) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("other is invalid", K(ret), K(other));
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} else {
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call_cnt_ += other.call_cnt_;
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output_row_cnt_ += other.output_row_cnt_;
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}
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return ret;
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}
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ObMergeIterStat& ObMergeIterStat::operator=(const ObMergeIterStat& other)
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{
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if (this != &other) {
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MEMCPY(this, &other, sizeof(ObMergeIterStat));
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}
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return *this;
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}
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bool ObBlockAccessStat::is_valid() const
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{
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return effect_read_cnt_ >= 0 && empty_read_cnt_ >= 0;
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}
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int ObBlockAccessStat::add(const ObBlockAccessStat& other)
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{
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int ret = OB_SUCCESS;
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if (!is_valid()) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("self is invalid", K(ret), K(*this));
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} else if (!other.is_valid()) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("other is invalid", K(ret), K(other));
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} else {
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effect_read_cnt_ += other.effect_read_cnt_;
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empty_read_cnt_ += other.empty_read_cnt_;
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}
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return ret;
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}
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ObBlockAccessStat& ObBlockAccessStat::operator=(const ObBlockAccessStat& other)
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{
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if (this != &other) {
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MEMCPY(this, &other, sizeof(ObBlockAccessStat));
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}
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return *this;
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}
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ObTableStoreStat::ObTableStoreStat()
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{
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reset();
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}
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void ObTableStoreStat::reset()
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{
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MEMSET(this, 0, sizeof(ObTableStoreStat));
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}
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void ObTableStoreStat::reuse()
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{
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common::ObPartitionKey pkey = pkey_;
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MEMSET(this, 0, sizeof(ObTableStoreStat));
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pkey_ = pkey;
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}
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bool ObTableStoreStat::is_valid() const
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{
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bool valid = true;
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if (row_cache_hit_cnt_ < 0 || row_cache_miss_cnt_ < 0 || row_cache_put_cnt_ < 0 || bf_filter_cnt_ < 0 ||
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bf_empty_read_cnt_ < 0 || bf_access_cnt_ < 0 || block_cache_hit_cnt_ < 0 || block_cache_miss_cnt_ < 0 ||
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access_row_cnt_ < 0 || output_row_cnt_ < 0 || fuse_row_cache_hit_cnt_ < 0 || fuse_row_cache_miss_cnt_ < 0 ||
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fuse_row_cache_put_cnt_ < 0 || !single_get_stat_.is_valid() || !multi_get_stat_.is_valid() ||
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!index_back_stat_.is_valid() || !single_scan_stat_.is_valid() || !multi_scan_stat_.is_valid() ||
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!exist_row_.is_valid() || !get_row_.is_valid() || !scan_row_.is_valid()) {
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valid = false;
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}
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return valid;
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}
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int ObTableStoreStat::add(const ObTableStoreStat& other)
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{
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int ret = OB_SUCCESS;
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if (!is_valid()) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("self is invalid", K(ret), K(*this));
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} else if (!other.is_valid()) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("other is invalid", K(ret), K(other));
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} else if (other.pkey_ != pkey_) {
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ret = OB_NOT_THE_OBJECT;
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LOG_WARN("not the same table store", K(ret), K(other));
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} else {
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row_cache_hit_cnt_ += other.row_cache_hit_cnt_;
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row_cache_miss_cnt_ += other.row_cache_miss_cnt_;
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row_cache_put_cnt_ += other.row_cache_put_cnt_;
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bf_filter_cnt_ += other.bf_filter_cnt_;
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bf_empty_read_cnt_ += other.bf_empty_read_cnt_;
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bf_access_cnt_ += other.bf_access_cnt_;
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block_cache_hit_cnt_ += other.block_cache_hit_cnt_;
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block_cache_miss_cnt_ += other.block_cache_miss_cnt_;
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access_row_cnt_ += other.access_row_cnt_;
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output_row_cnt_ += other.output_row_cnt_;
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fuse_row_cache_hit_cnt_ += other.fuse_row_cache_hit_cnt_;
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fuse_row_cache_miss_cnt_ += other.fuse_row_cache_miss_cnt_;
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fuse_row_cache_put_cnt_ += other.fuse_row_cache_put_cnt_;
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// ignore ret
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single_get_stat_.add(other.single_get_stat_);
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multi_get_stat_.add(other.multi_get_stat_);
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index_back_stat_.add(other.index_back_stat_);
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single_scan_stat_.add(other.single_scan_stat_);
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multi_scan_stat_.add(other.multi_scan_stat_);
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exist_row_.add(other.exist_row_);
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get_row_.add(other.get_row_);
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scan_row_.add(other.scan_row_);
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}
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return ret;
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}
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ObTableStoreStat& ObTableStoreStat::operator=(const ObTableStoreStat& other)
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{
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if (this != &other) {
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MEMCPY(this, &other, sizeof(ObTableStoreStat));
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}
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return *this;
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}
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// ------------------ Iterator ------------------ //
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ObTableStoreStatIterator::ObTableStoreStatIterator() : cur_idx_(0), is_opened_(false)
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{}
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ObTableStoreStatIterator::~ObTableStoreStatIterator()
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{}
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void ObTableStoreStatIterator::reset()
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{
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cur_idx_ = 0;
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is_opened_ = false;
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}
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int ObTableStoreStatIterator::open()
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{
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int ret = OB_SUCCESS;
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if (is_opened_) {
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ret = OB_INIT_TWICE;
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LOG_WARN("ObTableStoreStatIterator has been opened", K(ret));
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} else {
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cur_idx_ = 0;
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is_opened_ = true;
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}
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return ret;
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}
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int ObTableStoreStatIterator::get_next_stat(ObTableStoreStat& stat)
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{
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int ret = OB_SUCCESS;
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if (!is_opened_) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObTableStoreStatIterator has not been opened", K(ret));
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} else if (OB_FAIL(ObTableStoreStatMgr::get_instance().get_table_store_stat(cur_idx_, stat))) {
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} else {
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++cur_idx_;
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}
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return ret;
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}
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// ------------------ Manager ------------------ //
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int ObTableStoreStatMgr::ReportTask::init(ObTableStoreStatMgr* stat_mgr)
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{
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int ret = OB_SUCCESS;
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if (OB_ISNULL(stat_mgr)) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid argument", K(ret), KP(stat_mgr));
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} else {
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stat_mgr_ = stat_mgr;
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}
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return ret;
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}
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void ObTableStoreStatMgr::ReportTask::runTimerTask()
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{
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if (OB_ISNULL(stat_mgr_)) {
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LOG_WARN("ReportTask is not inited");
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} else {
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stat_mgr_->run_report_task();
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}
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}
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ObTableStoreStatMgr::ObTableStoreStatMgr()
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: is_inited_(false),
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lock_(),
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quick_map_(),
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cur_cnt_(0),
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limit_cnt_(0),
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lru_head_(NULL),
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lru_tail_(NULL),
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report_cursor_(0),
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pending_cursor_(0),
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report_task_()
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{}
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ObTableStoreStatMgr::~ObTableStoreStatMgr()
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{
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destroy();
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}
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void ObTableStoreStatMgr::destroy()
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{
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TG_STOP(lib::TGDefIDs::TableStatRpt);
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TG_WAIT(lib::TGDefIDs::TableStatRpt);
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report_task_.destroy();
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report_cursor_ = 0;
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pending_cursor_ = 0;
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lru_head_ = NULL;
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lru_tail_ = NULL;
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cur_cnt_ = 0;
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limit_cnt_ = 0;
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quick_map_.destroy();
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is_inited_ = false;
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}
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int ObTableStoreStatMgr::init(const int64_t limit_cnt)
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{
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int ret = OB_SUCCESS;
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if (IS_INIT) {
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ret = OB_INIT_TWICE;
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LOG_WARN("ObTableStoreStatMgr has already been initiated", K(ret));
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} else if (limit_cnt <= 0 || limit_cnt > DEFAULT_MAX_CNT) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid argument", K(ret), K(limit_cnt));
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} else if (OB_FAIL(
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quick_map_.create(limit_cnt, ObModIds::OB_TABLE_STORE_STAT_MGR, ObModIds::OB_TABLE_STORE_STAT_MGR))) {
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LOG_WARN("Fail to create merge info map, ", K(ret));
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} else if (OB_FAIL(report_task_.init(this))) {
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LOG_WARN("Fail to init report task, ", K(ret));
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} else if (OB_FAIL(TG_START(lib::TGDefIDs::TableStatRpt))) {
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LOG_WARN("Fail to init timer, ", K(ret));
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} else {
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for (int64_t i = 0; i < MAX_PENDDING_CNT; ++i) {
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stat_queue_[i].reset();
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}
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for (int64_t i = 0; i < DEFAULT_MAX_CNT; ++i) {
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stat_array_[i].reset();
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node_pool_[i].reset();
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// bind stat to node
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node_pool_[i].stat_ = &(stat_array_[i]);
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}
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limit_cnt_ = limit_cnt;
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if (OB_FAIL(TG_SCHEDULE(lib::TGDefIDs::TableStatRpt, report_task_, REPORT_TASK_INTERVAL_US, /*repeat*/ true))) {
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LOG_WARN("schedule report task fail", K(ret));
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} else {
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LOG_INFO("schedule report task succeed");
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is_inited_ = true;
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}
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}
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return ret;
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}
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ObTableStoreStatMgr& ObTableStoreStatMgr::get_instance()
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{
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static ObTableStoreStatMgr instance_;
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return instance_;
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}
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void ObTableStoreStatMgr::move_node_to_head(ObTableStoreStatNode* node)
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{
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if (node == lru_head_) {
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// do nothing
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} else if (NULL == lru_head_) {
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node->pre_ = node->next_ = NULL;
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lru_head_ = lru_tail_ = node;
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} else {
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if (NULL != node->pre_) {
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node->pre_->next_ = node->next_;
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}
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if (NULL != node->next_) {
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node->next_->pre_ = node->pre_;
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}
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if (node == lru_tail_) {
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lru_tail_ = node->pre_;
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}
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node->pre_ = NULL;
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node->next_ = lru_head_;
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lru_head_->pre_ = node;
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lru_head_ = node;
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}
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}
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int ObTableStoreStatMgr::report_stat(const ObTableStoreStat& stat)
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{
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int ret = OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObTableStoreStatMgr hasn't been initiated", K(ret));
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} else if (!stat.is_valid()) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid stat", K(ret), K(stat));
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} else {
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uint64_t pending_cur = ATOMIC_LOAD(&pending_cursor_);
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uint64_t report_cur = ATOMIC_LOAD(&report_cursor_);
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if (((pending_cur + 1) % MAX_PENDDING_CNT) == report_cur) {
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// queue is full, direct return, ignore this stat
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} else {
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if (pending_cur != ATOMIC_CAS(&pending_cursor_, pending_cur, pending_cur + 1)) {
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// fail to advance the cursor, give up and ignore this stat
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} else {
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stat_queue_[pending_cur % MAX_PENDDING_CNT] = stat;
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}
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}
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}
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return ret;
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}
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int ObTableStoreStatMgr::get_table_store_stat(const int64_t idx, ObTableStoreStat& stat)
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{
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int ret = OB_SUCCESS;
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if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObTableStoreStatMgr hasn't been initiated", K(ret));
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} else if (idx < 0 || idx > limit_cnt_) {
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ret = OB_INVALID_ARGUMENT;
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LOG_WARN("invalid stat", K(ret), K(idx));
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} else {
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SpinRLockGuard guard(lock_);
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if (idx >= cur_cnt_) {
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ret = OB_ITER_END;
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} else {
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stat = stat_array_[idx];
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}
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}
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return ret;
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}
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void ObTableStoreStatMgr::run_report_task()
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{
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int ret = OB_SUCCESS;
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||||
if (IS_NOT_INIT) {
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ret = OB_NOT_INIT;
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LOG_WARN("ObTableStoreStatMgr hasn't been initiated", K(ret));
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} else {
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int64_t start = static_cast<int64_t>(ATOMIC_LOAD(&report_cursor_));
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int64_t end = static_cast<int64_t>(ATOMIC_LOAD(&pending_cursor_) % MAX_PENDDING_CNT);
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if (end == (start + 1) % MAX_PENDDING_CNT) {
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// sleep 100ms to give chance for the latest stat be assigned in report_stat
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usleep(1000 * 100);
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||||
}
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||||
if (start == end) {
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||||
// do nothing
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||||
} else if (start < end) {
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||||
for (int64_t i = start; i < end; ++i) {
|
||||
if (OB_FAIL(add_stat(stat_queue_[i]))) {
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LOG_WARN("report stat fail", K(ret), K(i), K(stat_queue_[i]));
|
||||
}
|
||||
}
|
||||
ATOMIC_STORE(&report_cursor_, end);
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||||
} else {
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||||
for (int64_t i = start; i < MAX_PENDDING_CNT - 1; ++i) {
|
||||
if (OB_FAIL(add_stat(stat_queue_[i]))) {
|
||||
LOG_WARN("report stat fail", K(ret), K(i), K(stat_queue_[i]));
|
||||
}
|
||||
}
|
||||
for (int64_t i = 0; i < end; ++i) {
|
||||
if (OB_FAIL(add_stat(stat_queue_[i]))) {
|
||||
LOG_WARN("report stat fail", K(ret), K(i), K(stat_queue_[i]));
|
||||
}
|
||||
}
|
||||
ATOMIC_STORE(&report_cursor_, end);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
int ObTableStoreStatMgr::add_stat(const ObTableStoreStat& stat)
|
||||
{
|
||||
int ret = OB_SUCCESS;
|
||||
if (IS_NOT_INIT) {
|
||||
ret = OB_NOT_INIT;
|
||||
LOG_WARN("ObTableStoreStatMgr hasn't been initiated", K(ret));
|
||||
} else if (!stat.is_valid()) {
|
||||
ret = OB_INVALID_ARGUMENT;
|
||||
LOG_WARN("invalid stat", K(ret), K(stat));
|
||||
} else {
|
||||
ObTableStoreStatKey key(stat.pkey_.get_table_id(), stat.pkey_.get_partition_id());
|
||||
ObTableStoreStatNode* node = NULL;
|
||||
|
||||
SpinWLockGuard guard(lock_);
|
||||
// retrieve node
|
||||
if (OB_FAIL(quick_map_.get_refactored(key, node))) {
|
||||
if (OB_HASH_NOT_EXIST == ret) {
|
||||
ret = OB_SUCCESS;
|
||||
node = NULL;
|
||||
if (cur_cnt_ < limit_cnt_) { // has free node
|
||||
node = &(node_pool_[cur_cnt_++]);
|
||||
} else { // evict the tail node
|
||||
if (NULL == lru_tail_) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("LRU tail is NULL", K(ret), K(stat), K(cur_cnt_));
|
||||
} else {
|
||||
ObTableStoreStatKey old_key(
|
||||
lru_tail_->stat_->pkey_.get_table_id(), lru_tail_->stat_->pkey_.get_partition_id());
|
||||
if (OB_FAIL(quick_map_.erase_refactored(old_key))) {
|
||||
LOG_WARN("add new node to hash map fail", K(ret), K(old_key));
|
||||
}
|
||||
node = lru_tail_;
|
||||
node->stat_->reset();
|
||||
}
|
||||
}
|
||||
|
||||
if (OB_SUCC(ret)) {
|
||||
if (NULL == node) {
|
||||
LOG_WARN("node is NULL", K(ret), K(stat));
|
||||
} else {
|
||||
node->stat_->pkey_ = stat.pkey_;
|
||||
if (OB_FAIL(quick_map_.set_refactored(key, node))) {
|
||||
LOG_WARN("add new node to hash map fail", K(ret), K(key), K(*(node->stat_)));
|
||||
}
|
||||
}
|
||||
}
|
||||
} else {
|
||||
LOG_WARN("fail to get node", K(ret), K(key), K(stat));
|
||||
}
|
||||
}
|
||||
|
||||
// update LRU
|
||||
if (OB_SUCC(ret)) {
|
||||
if (NULL == node) {
|
||||
ret = OB_ERR_UNEXPECTED;
|
||||
LOG_WARN("node is null", K(ret), K(stat), K(cur_cnt_));
|
||||
} else {
|
||||
// ignore ret
|
||||
node->stat_->add(stat);
|
||||
move_node_to_head(node);
|
||||
}
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
} // namespace storage
|
||||
} // namespace oceanbase
|
||||
Reference in New Issue
Block a user