mongodb之用户管理与系统管理常用命令
时间:2022-03-10 18:08
## mongodb的用户管理(认证管理)
切换到该数据库目录下,进行drop操作即可
> show dbs admin 0.078GB local 1.078GB zhuima 0.078GB > use zhuima switched to db zhuima > db.dropDatabase() { "dropped" : "zhuima", "ok" : 1 } > show dbs admin 0.078GB local 1.078GB >
### 查看各collection的状态
> use admin switched to db admin > db.printCollectionStats() system.indexes { "ns" : "admin.system.indexes", "count" : 3, "size" : 336, "avgObjSize" : 112, "storageSize" : 8192, "numExtents" : 1, "nindexes" : 0, "lastExtentSize" : 8192, "paddingFactor" : 1, "systemFlags" : 0, "userFlags" : 1, "totalIndexSize" : 0, "indexSizes" : { }, "ok" : 1 } --- system.users { "ns" : "admin.system.users", "count" : 3, "size" : 720, "avgObjSize" : 240, "storageSize" : 8192, "numExtents" : 1, "nindexes" : 2, "lastExtentSize" : 8192, "paddingFactor" : 1, "systemFlags" : 1, "userFlags" : 1, "totalIndexSize" : 16352, "indexSizes" : { "_id_" : 8176, "user_1_db_1" : 8176 }, "ok" : 1 } --- system.version { "ns" : "admin.system.version", "count" : 1, "size" : 48, "avgObjSize" : 48, "storageSize" : 8192, "numExtents" : 1, "nindexes" : 1, "lastExtentSize" : 8192, "paddingFactor" : 1, "systemFlags" : 1, "userFlags" : 1, "totalIndexSize" : 8176, "indexSizes" : { "_id_" : 8176 }, "ok" : 1 } --- >
### 查看collection数据的大小
> db.system.users.dataSize() 720 >
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