EmmyMiao87 commented on a change in pull request #313: scheduler routine load job for stream load URL: https://github.com/apache/incubator-doris/pull/313#discussion_r233722846
########## File path: fe/src/main/java/org/apache/doris/load/routineload/RoutineLoadScheduler.java ########## @@ -0,0 +1,79 @@ +// Licensed to the Apache Software Foundation (ASF) under one +// or more contributor license agreements. See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership. The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +package org.apache.doris.load.routineload; + +import org.apache.doris.catalog.Catalog; +import org.apache.doris.common.LoadException; +import org.apache.doris.common.util.Daemon; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; + +import java.util.List; + +public class RoutineLoadScheduler extends Daemon { + + private static final Logger LOG = LogManager.getLogger(RoutineLoadScheduler.class); + + private RoutineLoad routineLoad = Catalog.getInstance().getRoutineLoadInstance(); + + @Override + protected void runOneCycle() { + // get need scheduler routine jobs + List<RoutineLoadJob> routineLoadJobList = null; + try { + routineLoadJobList = getNeedSchedulerRoutineJobs(); + } catch (LoadException e) { + LOG.error("failed to get need scheduler routine jobs"); + } + + if (routineLoadJobList != null) { + for (RoutineLoadJob routineLoadJob : routineLoadJobList) { + // judge nums of tasks more then max concurrent tasks of cluster + int currentConcurrentTaskNum = routineLoadJob.calculateCurrentConcurrentTaskNum(); + int totalTaskNum = currentConcurrentTaskNum + routineLoad.getIdToRoutineLoadTask().size(); + if (totalTaskNum > routineLoad.getTotalMaxConcurrentTaskNum()) { + LOG.info("desried total task num = job {} concurrent task num {} + current total task num {}", + routineLoadJob.getId(), currentConcurrentTaskNum, + routineLoad.getIdToRoutineLoadTask().size()); + LOG.info("desired total task num {} more then total max task num {}, " + + "skip this turn of scheduler", + totalTaskNum, routineLoad.getTotalMaxConcurrentTaskNum()); + break; + } + // divide job into tasks + List<RoutineLoadTask> routineLoadTaskList = + routineLoadJob.divideRoutineLoadJob(currentConcurrentTaskNum); + + // update tasks meta + routineLoad.addRoutineLoadTasks(routineLoadTaskList); + routineLoad.addNeedSchedulerRoutineLoadTasks(routineLoadTaskList); + + // change job state to running + routineLoad.updateRoutineLoadJobState(routineLoadJob, RoutineLoadJob.JobState.RUNNING); + } + } + + } + + private List<RoutineLoadJob> getNeedSchedulerRoutineJobs() throws LoadException { + RoutineLoad routineLoad = Catalog.getInstance().getRoutineLoadInstance(); Review comment: Got it ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: [email protected] With regards, Apache Git Services --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
