PostgreSQL实战之启动恢复读取checkpoint记录失败的条件详解

1、首先读取ControlFile->checkPoint指向的checkpoint 2、如果读取失败,slave直接abort退出,master再次读取ControlFile->prevCheckPoint指向的checkpoint StartupXLOG-> |--checkPointLoc = ControlFile->checkPoint; |--record = ReadCheckpointRecord(xlogreader, checkPointLoc, 1, true): |-- if (record != NULL){ ... }else if (Stan