t oo created SPARK-30561: ---------------------------- Summary: start spark applications without a 30second startup penalty Key: SPARK-30561 URL: https://issues.apache.org/jira/browse/SPARK-30561 Project: Spark Issue Type: Improvement Components: Spark Core Affects Versions: 2.4.4 Reporter: t oo
see https://stackoverflow.com/questions/57610138/how-to-start-spark-applications-without-a-30second-startup-penalty using spark standalone. There are several sleeps that can be removed: grep -i 'sleep(' -R * | grep -v 'src/test/' | grep -E '^core' | grep -ivE 'mesos|yarn|python|HistoryServer|spark/ui/' core/src/main/scala/org/apache/spark/util/Clock.scala: Thread.sleep(sleepTime) core/src/main/scala/org/apache/spark/SparkContext.scala: * sc.parallelize(1 to 10000, 2).map { i => Thread.sleep(10); i }.count() core/src/main/scala/org/apache/spark/deploy/FaultToleranceTest.scala: private def delay(secs: Duration = 5.seconds) = Thread.sleep(secs.toMillis) core/src/main/scala/org/apache/spark/deploy/FaultToleranceTest.scala: Thread.sleep(1000) core/src/main/scala/org/apache/spark/deploy/Client.scala: Thread.sleep(5000) core/src/main/scala/org/apache/spark/deploy/master/ui/MasterPage.scala: Thread.sleep(100) core/src/main/scala/org/apache/spark/deploy/StandaloneResourceUtils.scala: Thread.sleep(duration) core/src/main/scala/org/apache/spark/deploy/worker/DriverRunner.scala: def sleep(seconds: Int): Unit = (0 until seconds).takeWhile { _ => core/src/main/scala/org/apache/spark/deploy/worker/DriverRunner.scala: Thread.sleep(1000) core/src/main/scala/org/apache/spark/deploy/worker/DriverRunner.scala: sleeper.sleep(waitSeconds) core/src/main/scala/org/apache/spark/deploy/worker/DriverRunner.scala: def sleep(seconds: Int): Unit core/src/main/scala/org/apache/spark/deploy/rest/RestSubmissionClient.scala: Thread.sleep(REPORT_DRIVER_STATUS_INTERVAL) core/src/main/scala/org/apache/spark/scheduler/AsyncEventQueue.scala: Thread.sleep(10) core/src/main/scala/org/apache/spark/storage/BlockManager.scala: Thread.sleep(SLEEP_TIME_SECS * 1000L) -- This message was sent by Atlassian Jira (v8.3.4#803005) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org