Created
July 9, 2019 07:21
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//db.adminCommand( { setFeatureCompatibilityVersion: "4.2" } ); | |
use wildcard | |
db.noIndex.drop(); | |
db.singleIndex.drop(); | |
db.manyIndexes.drop(); | |
db.wildcardIndex.drop(); | |
var i = 0; | |
var docs = []; | |
for (i = 1; i < 100000; i++) { | |
var data = { | |
_id: i, | |
data: { | |
a: Math.round(Math.random() * 10000), | |
b: Math.round(Math.random() * 10000), | |
c: Math.round(Math.random() * 10000), | |
d: Math.round(Math.random() * 10000), | |
e: Math.round(Math.random() * 10000), | |
f: Math.round(Math.random() * 10000), | |
g: Math.round(Math.random() * 10000) | |
} | |
}; | |
docs.push(data); | |
} | |
db.singleIndex.createIndex({"data.a":1}); | |
db.manyIndexes.createIndex({"data.a":1}); | |
db.manyIndexes.createIndex({"data.b":1}); | |
db.manyIndexes.createIndex({"data.c":1}); | |
db.manyIndexes.createIndex({"data.d":1}); | |
db.manyIndexes.createIndex({"data.e":1}); | |
db.manyIndexes.createIndex({"data.f":1}); | |
db.manyIndexes.createIndex({"data.g":1}); | |
db.wildcardIndex.createIndex({"data.$**":1}); | |
function updateIt(collectionName) { | |
var start=new Date(); | |
var rc=db.getCollection(collectionName).update({}, | |
{$inc:{"data.a":1,"data.b":1,"data.c":1,"data.d":1,"data.e":1,"data.f":1,"data.g":1}}, | |
{multi:true}); | |
//printjson(rc); | |
var elapsed=((new Date())-start); | |
print('update,',collectionName,',',elapsed,'ms'); | |
} | |
function insertIt(collectionName,data) { | |
var start=new Date(); | |
var rc=db.getCollection(collectionName).insertMany(data); | |
//printjson(rc); | |
var elapsed=((new Date())-start); | |
print('insert,',collectionName,',',elapsed,',ms'); | |
} | |
function deleteIt(collectionName) { | |
var start=new Date(); | |
var rc=db.getCollection(collectionName).deleteMany({}); | |
//printjson(rc); | |
var elapsed=((new Date())-start); | |
print('delete,',collectionName,',',elapsed,',ms'); | |
} | |
function findIt(collectionName) { | |
var start=new Date(); | |
var data=db.getCollection(collectionName).find({"data.a":{$lt:100}}).toArray(); | |
//printjson(rc); | |
var count=data.length; | |
var elapsed=((new Date())-start); | |
print('find,',collectionName,',',elapsed,',ms,',count); | |
} | |
insertIt('noIndex',docs); | |
insertIt('singleIndex',docs); | |
insertIt('manyIndexes',docs); | |
insertIt('wildcardIndex',docs); | |
findIt('noIndex'); | |
findIt('singleIndex'); | |
findIt('manyIndexes'); | |
findIt('wildcardIndex'); | |
updateIt('noIndex'); | |
updateIt('singleIndex'); | |
updateIt('manyIndexes'); | |
updateIt('wildcardIndex'); | |
deleteIt('noIndex'); | |
deleteIt('singleIndex'); | |
deleteIt('manyIndexes'); | |
deleteIt('wildcardIndex'); | |
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