118 lines
3.3 KiB
C++
118 lines
3.3 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 RS_LB
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#include "rootserver/ob_unit_stat_manager.h"
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#include "rootserver/ob_balance_info.h"
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#include "share/ob_unit_getter.h"
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#include "share/schema/ob_multi_version_schema_service.h"
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#include "rootserver/ob_unit_manager.h"
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#include "storage/ob_file_system_router.h"
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using namespace oceanbase::common;
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using namespace oceanbase::share;
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using namespace oceanbase::rootserver;
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ObUnitStatManager::ObUnitStatManager()
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: inited_(false),
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schema_service_(NULL),
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unit_mgr_(NULL),
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unit_stat_getter_(),
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unit_stat_map_()
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{
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}
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int ObUnitStatManager::init(
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share::schema::ObMultiVersionSchemaService &schema_service,
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ObUnitManager &unit_mgr,
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share::ObCheckStopProvider &check_stop_provider)
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{
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int ret = OB_SUCCESS;
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if (OB_UNLIKELY(inited_)) {
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ret = OB_INIT_TWICE;
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LOG_WARN("init twice", K(inited_));
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} else if (OB_FAIL(unit_stat_getter_.init(check_stop_provider))) {
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LOG_WARN("init unit stat getter fail", KR(ret));
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} else if (OB_FAIL(unit_stat_map_.init(500000))) { /// FIXME: use more accurate CONSTANT
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LOG_WARN("fail init unit stat map", K(ret));
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} else {
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schema_service_ = &schema_service;
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unit_mgr_ = &unit_mgr;
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inited_ = true;
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}
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return ret;
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}
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void ObUnitStatManager::reuse()
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{
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unit_stat_map_.reuse();
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}
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int ObUnitStatManager::gather_stat()
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{
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int ret = OB_SUCCESS;
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ObArray<uint64_t> tenant_ids;
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ObArray<uint64_t> unit_ids;
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if (!inited_) {
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ret = OB_NOT_INIT;
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LOG_WARN("not init", K(ret));
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} else if (OB_FAIL(ObTenantUtils::get_tenant_ids(schema_service_, tenant_ids))) {
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LOG_WARN("get tenant ids fail", K(ret));
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} else {
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reuse();
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// init empty map with all unit ids
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if (OB_FAIL(unit_mgr_->get_unit_ids(unit_ids))) {
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LOG_WARN("fail get unit ids", K(ret));
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} else {
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ObUnitStatMap::Item *stat = NULL;
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FOREACH_CNT_X(unit_id, unit_ids, OB_SUCC(ret)) {
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if (OB_FAIL(unit_stat_map_.locate(*unit_id, stat))) {
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LOG_WARN("fail init stat for unit", K(*unit_id), K(ret));
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}
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}
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}
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// walk through all meta tables to gather unit stat data
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FOREACH_CNT_X(id, tenant_ids, OB_SUCC(ret)) {
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const uint64_t tenant_id = *id;
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if (OB_FAIL(unit_stat_getter_.get_unit_stat(tenant_id, unit_stat_map_))) {
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LOG_WARN("fail get unit stat", K(tenant_id), K(ret));
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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 ObUnitStatManager::get_unit_stat(
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uint64_t unit_id,
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const common::ObZone &zone,
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share::ObUnitStat &unit_stat)
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{
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int ret = OB_SUCCESS;
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if (!inited_) {
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ret = OB_NOT_INIT;
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LOG_WARN("not init", K(ret));
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} else {
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int tmp_ret = unit_stat_map_.get(unit_id, unit_stat);
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if (OB_SUCCESS == tmp_ret) {
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// good
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} else {
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ret = tmp_ret;
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LOG_WARN("fail to get unit stat", KR(ret), K(unit_id), K(zone));
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}
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}
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return ret;
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}
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