mongodump备份oplog https://www.cnblogs.com/easydb/p/14286810.htmlhttps://www.modb.pro/db/152396https://cloud.tencent.com/developer/article/1429385https://b

摘要mongodump备份工具mongodump能够在Mongodb运行时进行备份，它的工作原理是对运行的Mongodb做查询，然后将所有查到的文档写入磁盘。mongodump的参数与mongoexport的参

 主要记录下在mongo3.0的操作备份示例./mongodump-hlocalhost-dliongo-o./还原示例错误方式：./mongorestore-h127.0.0.1-dliongo--directoryperdb