MONGODBDB enable Wiredtiger engine and zlib compression

public static void Main (string[] args) {

Mongoclientoptions.builder build = new Mongoclientoptions.builder ();

Maximum number of connections to data 50

Build.connectionsperhost (50);

If all current connection are in use, there can be 50 threads queued for each connection

Build.threadsallowedtoblockforconnectionmultiplier (50);

Build.connecttimeout (1 * 60 * 1000);

Build.maxwaittime (2 * 60 * 1000);

Mongoclientoptions options = Build.build ();

String host= "192.168.80.100";

int port=27017;

Mongoclient client = new Mongoclient (new ServerAddress (host, port), options);

Gets the database test, does not exist, it automatically establishes the database

Mongodatabase db = Client.getdatabase ("Fanyin");

{storageengine: {

Wiredtiger: {configstring: ' Block_compressor=zlib '}}

Createcollectionoptions createcollectionoptions = new Createcollectionoptions ();

Basicdbobject configstring = new Basicdbobject ();

Configstring.put ("ConfigString", "block_compressor=zlib");

Basicdbobject Bson = new Basicdbobject ();

Bson.put ("Wiredtiger", configstring);

Createcollectionoptions.storageengineoptions (Bson);

Boolean iscollectionexist=collectionexists (db, "data");

if (!iscollectionexist) {

Db.createcollection ("Data", createcollectionoptions);

}

mongocollection<document> users = db.getcollection ("Data");

for (int i = 0; i < 1; i++) {

Document document = new document ();

Document.append ("Address2", "Sichuan chengdu444444444444444444444444");

Document.append ("Address3", "Sichuan chengdu44455555555555555555555555555555");

Users.insertone (document);

}

mongocollection<document> users1 = db.getcollection ("data1");

for (int i = 0; i < 1; i++) {

Document document = new document ();

Document.append ("Address2", "Sichuan chengdu444444444444444444444444");

Document.append ("Address3", "Sichuan chengdu44455555555555555555555555555555");

Users1.insertone (document);

}

Mongoclient must be close to release resources after use

Client.close ();

System.out.println ("Ooooooooooooookkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");

}

Determine if collection exists

private static Boolean collectionexists (Mongodatabase database,string collectionname) {

Final mongoiterable<string> iterable = Database.listcollectionnames ();

Try (final mongocursor<string> it = Iterable.iterator ()) {

while (It.hasnext ()) {

if (It.next (). Equalsignorecase (CollectionName)) {

return true;

}

}

}

return false;

}

MONGODBDB enable Wiredtiger engine and zlib compression