<span>mongodb的db.stats</span>
glc-test:PRIMARY> db.stats() { "db" : "eagle", "collections" : 9, "views" : 0, "objects" : 97609717, "avgObjSize" : 1081.2369183797553, "dataSize" : 105539229613, "storageSize" : 40286806016, "numExtents" : 0, "indexes" : 32, "indexSize" : 8504152064, "fsUsedSize" : 2066056126464, "fsTotalSize" : 2797758251008, "ok" : 1, "operationTime" : Timestamp(1606379817, 1), "$clusterTime" : { "clusterTime" : Timestamp(1606379817, 1), "signature" : { "hash" : BinData(0,"6PcBNtC1REHC2tcgLx+UaD2oVww="), "keyId" : NumberLong("6856584343653974019") } } } glc-test:PRIMARY> show dbs admin 0.000GB ai_open_caps 0.000GB apple 0.045GB config 0.000GB eagle 45.440GB gallery 3.234GB google 0.000GB local 39.088GB pbm 0.000GB test 0.000GB glc-test:PRIMARY> 105539229613/1024/1024/1024 98.29106704611331 glc-test:PRIMARY> 40286806016/1024/1024/1024 37.52001190185547 glc-test:PRIMARY> 8504152064/1024/1024/1024 7.920108795166016 glc-test:PRIMARY>
数据大小约为：storageSize
索引占用大小约为：indexSize
当前数据库：eagle
当前数据库的集合个数：collections
当前数据库所有集合的行数：objects
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