122 lines
3.4 KiB
C
122 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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* multi_redo_api.h
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*
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*
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* IDENTIFICATION
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* src/include/access/multi_redo_api.h
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*
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* ---------------------------------------------------------------------------------------
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*/
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#ifndef MULTI_REDO_API_H
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#define MULTI_REDO_API_H
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#include "postgres.h"
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#include "knl/knl_variable.h"
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#include "access/xlog.h"
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#include "access/xlogreader.h"
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#include "nodes/pg_list.h"
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#include "storage/proc.h"
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typedef enum {
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NOT_PAGE_REDO_THREAD,
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PAGE_REDO_THREAD_EXIT_NORMAL,
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PAGE_REDO_THREAD_EXIT_ABNORMAL,
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} PageRedoExitStatus;
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#ifdef ENABLE_MULTIPLE_NODES
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const static bool SUPPORT_HOT_STANDBY = false; /* don't support consistency view */
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#else
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const static bool SUPPORT_HOT_STANDBY = true; /* don't support consistency view */
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#endif
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const static bool SUPPORT_FPAGE_DISPATCH = true; /* support file dispatch if true, else support page dispatche */
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const static bool SUPPORT_DFS_BATCH = false;
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const static bool SUPPORT_COLUMN_BATCH = true; /* don't support column batch redo */
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static const uint32 PAGE_REDO_WORKER_INVALID = 0;
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static const uint32 PAGE_REDO_WORKER_START = 1;
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static const uint32 PAGE_REDO_WORKER_READY = 2;
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static const uint32 PAGE_REDO_WORKER_EXIT = 3;
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static inline int get_real_recovery_parallelism()
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{
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return g_instance.attr.attr_storage.real_recovery_parallelism;
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}
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static inline bool IsExtremeRedo()
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{
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return g_instance.comm_cxt.predo_cxt.redoType == EXTREME_REDO && (get_real_recovery_parallelism() > 1);
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}
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static inline bool IsParallelRedo()
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{
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return g_instance.comm_cxt.predo_cxt.redoType == PARALLEL_REDO && (get_real_recovery_parallelism() > 1);
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}
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static inline bool IsMultiThreadRedo()
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{
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return (get_real_recovery_parallelism() > 1);
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}
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uint32 GetRedoWorkerCount();
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bool IsMultiThreadRedoRunning();
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bool IsExtremeRtoRunning();
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void DispatchRedoRecord(XLogReaderState* record, List* expectedTLIs, TimestampTz recordXTime);
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void GetThreadNameIfMultiRedo(int argc, char* argv[], char** threadNamePtr);
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PGPROC* MultiRedoThreadPidGetProc(ThreadId pid);
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void MultiRedoUpdateStandbyState(HotStandbyState newState);
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uint32 MultiRedoGetWorkerId();
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bool IsAllPageWorkerExit();
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void SetPageRedoWorkerIndex(int index);
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int GetPageRedoWorkerIndex(int index);
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PageRedoExitStatus CheckExitPageWorkers(ThreadId pid);
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void SetMyPageRedoWorker(knl_thread_arg* arg);
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uint32 GetMyPageRedoWorkerId();
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void MultiRedoMain();
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void StartUpMultiRedo(XLogReaderState* xlogreader, uint32 privateLen);
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void ProcTxnWorkLoad(bool force);
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void EndDispatcherContext();
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void SwitchToDispatcherContext();
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void FreeAllocatedRedoItem();
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void** GetXLogInvalidPagesFromWorkers();
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void SendRecoveryEndMarkToWorkersAndWaitForFinish(int code);
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void MultiRedoSetBufferPinWaitBufId(int bufid);
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void MultiRedoGetBufferPinWaitBufId(int *bufids, uint32 len);
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uint32 MultiRedoGetBufferPinWaitBufLen();
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bool IsExtremeRtoReadWorkerRunning();
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#endif
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