Created
August 11, 2017 18:03
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Concurrency test
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| import $ivy.`com.typesafe.akka::akka-actor:2.5.3`, akka.actor._ | |
| import $ivy.`com.typesafe.akka::akka-stream:2.5.4`, akka.stream._ | |
| import $ivy.`org.reactivemongo::reactivemongo:0.12.5`, reactivemongo.api._, reactivemongo.bson._, reactivemongo.api.collections.bson._ | |
| import $ivy.`ch.qos.logback:logback-classic:1.2.3`, org.slf4j._ | |
| import java.util.concurrent.Executors | |
| import java.util.concurrent.atomic.AtomicLong | |
| import scala.concurrent._ | |
| import scala.concurrent.duration._ | |
| import scala.language.postfixOps | |
| import scala.util._ | |
| val log = LoggerFactory.getLogger("application") | |
| implicit val ec = ExecutionContext.fromExecutor(Executors.newFixedThreadPool(20)) | |
| implicit val system = ActorSystem("MainActorSystem") | |
| implicit val materializer = ActorMaterializer() | |
| val mongoDriver = new MongoDriver | |
| val mongoDb = for { | |
| uri <- Future.fromTry(MongoConnection.parseURI("mongodb://192.168.99.100:32768/limits")) | |
| con = mongoDriver.connection(uri) | |
| dn <- Future(uri.db.get) | |
| db <- con.database(dn) | |
| } yield db | |
| val collection = Await.result(mongoDb.map(_.collection[BSONCollection]("test")), 10 seconds) | |
| val id = BSONDocument("_id" -> 1) | |
| val atomicLong = new AtomicLong(0L) | |
| val futures = (1 to 20000) map { _ => | |
| val i = 5000 - Random.nextInt(10000) | |
| val update = BSONDocument("$inc" -> BSONDocument("amount" -> i)) | |
| atomicLong.updateAndGet(_ + i) | |
| collection.update(id, update, upsert = true).map(wr => | |
| if(!wr.ok) { println("errror") } | |
| ) | |
| } | |
| Await.result(Future.sequence(futures), 20 minutes) | |
| println(s"Atomic result: ${atomicLong.get()}") |
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