c7b25efcff
1. alter large sequence
2. subpartition
2.1 split subpartition
2.2 truncate subpartition
3. 支持load
4. 支持start-with/connect-by
5. ...
127 lines
3.4 KiB
C++
127 lines
3.4 KiB
C++
/*
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* Copyright (c) 2020 Huawei Technologies Co.,Ltd.
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*
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* openGauss is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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*
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* http://license.coscl.org.cn/MulanPSL2
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*
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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 PSL v2 for more details.
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* ---------------------------------------------------------------------------------------
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*
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* threadpool_controler.h
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* Controler for thread pool. Class ThreadPoolControler is defined to
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* initilize thread pool's worker and listener threads, and dispatch
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* new session from postmaster thread to suitable thread group.
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*
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* IDENTIFICATION
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* src/include/threadpool/threadpool_controler.h
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*
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* ---------------------------------------------------------------------------------------
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*/
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#ifndef THREAD_POOL_CONTROLER_H
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#define THREAD_POOL_CONTROLER_H
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#include "utils/memutils.h"
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#include "threadpool_group.h"
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#include "knl/knl_variable.h"
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class ThreadPoolSessControl;
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enum CPUBindType { NO_CPU_BIND, ALL_CPU_BIND, NODE_BIND, CPU_BIND };
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typedef struct CPUInfo {
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int totalCpuNum;
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int activeCpuNum;
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int totalNumaNum;
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int activeNumaNum;
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int* cpuArrSize;
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int** cpuArr;
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CPUBindType bindType;
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bool* isBindCpuArr;
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bool* isBindNumaArr;
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bool* isMcsCpuArr;
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} CPUInfo;
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typedef struct ThreadPoolAttr {
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int threadNum;
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int groupNum;
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char* bindCpu;
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} ThreadPoolAttr;
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class ThreadPoolControler : public BaseObject {
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public:
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ThreadPoolSessControl* m_sessCtrl;
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ThreadPoolControler();
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~ThreadPoolControler();
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void Init(bool enableNumaDistribute);
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void ShutDownThreads(bool forceWait = false);
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int DispatchSession(Port* port);
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void AddWorkerIfNecessary();
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void SetThreadPoolInfo();
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int GetThreadNum();
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ThreadPoolStat* GetThreadPoolStat(uint32* num);
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bool StayInAttachMode();
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void CloseAllSessions();
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bool CheckNumaDistribute(int numaNodeNum) const;
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CPUBindType GetCpuBindType() const;
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void ShutDownListeners(bool forceWait);
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void ShutDownScheduler(bool forceWait, bool noAdjust);
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inline ThreadPoolSessControl* GetSessionCtrl()
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{
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return m_sessCtrl;
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}
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inline ThreadPoolScheduler* GetScheduler()
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{
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return m_scheduler;
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}
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inline int GetGroupNum()
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{
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return m_groupNum;
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}
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inline MemoryContext GetMemCxt()
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{
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return m_threadPoolContext;
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}
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void BindThreadToAllAvailCpu(ThreadId thread) const;
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void EnableAdjustPool();
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private:
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ThreadPoolGroup* FindThreadGroupWithLeastSession();
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void ParseAttr();
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void ParseBindCpu();
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int ParseRangeStr(char* attr, bool* arr, int totalNum, char* bindtype);
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void GetMcsCpuInfo();
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void GetSysCpuInfo();
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void InitCpuInfo();
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void GetCpuAndNumaNum();
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bool IsActiveCpu(int cpuid, int numaid);
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void SetGroupAndThreadNum();
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void ConstrainThreadNum();
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void GetInstanceBind();
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bool CheckCpuBind() const;
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private:
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MemoryContext m_threadPoolContext;
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ThreadPoolGroup** m_groups;
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ThreadPoolScheduler* m_scheduler;
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CPUInfo m_cpuInfo;
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ThreadPoolAttr m_attr;
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cpu_set_t m_cpuset;
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int m_groupNum;
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int m_threadNum;
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int m_maxPoolSize;
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};
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#endif /* THREAD_POOL_CONTROLER_H */
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