MongoDB view database and table size

1. View the database

>db.stats (); {   "DB":"Test",        //Current Database"Collections": 3,//How many tables are in the current database"Objects": 4,//Current Database All tables how many data"avgobjsize": 51,//average size of each piece of data"datasize": 204,//total size of all data"storagesize": 16384,//disk size for all data"numextents": 3,   "Indexes": 1,//Number of indexes"indexsize": 8176,//Index Size"fileSize": 201326592,//file size pre-allocated to the database"Nssizemb": 16,   "datafileversion" : {     "Major": 4,     "Minor": 5   },   "OK": 1 }

2. View database tables

db.posts.stats (); {   "NS":"test.posts",   "Count": 1,   "size": 56,   "avgobjsize": 56,   "storagesize": 8192,   "numextents": 1,   "nindexes": 1,   "lastextentsize": 8192,    "Paddingfactor": 1,   "Systemflags": 1,   "userflags": 0,   "totalindexsize": 8176,    "indexsizes" : {     "_id_": 8176   },   "OK": 1 }

MongoDB view database and table size