Forked from joeyAghion/mongodb_collection_sizes.js
Last active
September 14, 2018 09:06
-
-
Save yoshikakbudto/ca634230bed9efe4f5060c37875fcf21 to your computer and use it in GitHub Desktop.
List mongodb collections in descending order of size. Helpful for finding largest collections. First number is "size," second is "storageSize."
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
var mgo = new Mongo() | |
function getReadableFileSizeString(fileSizeInBytes) { | |
var i = -1; | |
var byteUnits = [' kB', ' MB', ' GB', ' TB', 'PB', 'EB', 'ZB', 'YB']; | |
do { | |
fileSizeInBytes = fileSizeInBytes / 1024; | |
i++; | |
} while (fileSizeInBytes > 1024); | |
return Math.max(fileSizeInBytes, 0.1).toFixed(1) + byteUnits[i]; | |
}; | |
function getStatsFor(db){ | |
var collectionNames = db.getCollectionNames(), stats = []; | |
collectionNames.forEach(function (n) { stats.push(db.getCollection(n).stats()); }); | |
stats = stats.sort(function(a, b) { return b['size'] - a['size']; }); | |
for (var c in stats) { | |
print(stats[c]['ns'] + ": " + getReadableFileSizeString(stats[c]['size']) + " (" + getReadableFileSizeString(stats[c]['storageSize']) + ")"); | |
for (var i in stats[c]['indexSizes']){ print(" idx:" + i + ":" + getReadableFileSizeString(stats[c]['indexSizes'][i]) );} | |
} | |
} | |
function getAllStats(){ | |
mgo.getDBNames().forEach(function(name){ var db = mgo.getDB(name); print('\n '+db+'\n'); getStatsFor(db) }) | |
} | |
getAllStats() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment