morningman 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_r233689505
########## File path: fe/src/main/java/org/apache/doris/load/routineload/RoutineLoad.java ########## @@ -0,0 +1,200 @@ +// 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 com.google.common.collect.Maps; +import org.apache.doris.catalog.Catalog; +import org.apache.doris.common.LoadException; +import org.apache.logging.log4j.LogManager; +import org.apache.logging.log4j.Logger; + +import java.util.ArrayList; +import java.util.Collection; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.concurrent.locks.ReentrantReadWriteLock; +import java.util.stream.Collectors; + +public class RoutineLoad { + private static final Logger LOG = LogManager.getLogger(RoutineLoad.class); + private static final int DEFAULT_BE_CONCURRENT_TASK_NUM = 100; + + // TODO(ml): real-time calculate by be + private Map<Long, Integer> beIdTomaxConcurrentTasks; + + // stream load job meta + private Map<Long, RoutineLoadJob> idToRoutineLoadJob; + private Map<Long, RoutineLoadJob> idToNeedSchedulerRoutineLoadJob; + private Map<Long, RoutineLoadJob> idToRunningRoutineLoadJob; + private Map<Long, RoutineLoadJob> idToCancelledRoutineLoadJob; + + // stream load tasks meta (not persistent) + private Map<Long, RoutineLoadTask> idToRoutineLoadTask; + private Map<Long, RoutineLoadTask> idToNeedSchedulerRoutineLoadTask; + + private ReentrantReadWriteLock lock; + + private void readLock() { + lock.readLock().lock(); + } + + private void readUnlock() { + lock.readLock().unlock(); + } + + private void writeLock() { + lock.writeLock().lock(); + } + + private void writeUnlock() { + lock.writeLock().unlock(); + } + + public RoutineLoad() { + idToRoutineLoadJob = Maps.newHashMap(); + idToNeedSchedulerRoutineLoadJob = Maps.newHashMap(); + idToRunningRoutineLoadJob = Maps.newHashMap(); + idToCancelledRoutineLoadJob = Maps.newHashMap(); + idToRoutineLoadTask = Maps.newHashMap(); + idToNeedSchedulerRoutineLoadTask = Maps.newHashMap(); + beIdTomaxConcurrentTasks = Catalog.getCurrentSystemInfo().getBackendIds(true) + .parallelStream().collect(Collectors.toMap(beId -> beId, beId -> DEFAULT_BE_CONCURRENT_TASK_NUM)); + lock = new ReentrantReadWriteLock(true); + } + + public int getTotalMaxConcurrentTaskNum() { + readLock(); + try { + return beIdTomaxConcurrentTasks.values().stream().mapToInt(i -> i).sum(); + } finally { + readUnlock(); + } + } + + public void addRoutineLoadJob(RoutineLoadJob routineLoadJob) { + writeLock(); + try { + idToRoutineLoadJob.put(routineLoadJob.getId(), routineLoadJob); + } finally { + writeUnlock(); + } + } + + public void addRoutineLoadTasks(List<RoutineLoadTask> routineLoadTaskList) { + writeLock(); + try { + idToRoutineLoadTask.putAll(routineLoadTaskList.parallelStream().collect( + Collectors.toMap(task -> task.getSignature(), task -> task))); + } finally { + writeUnlock(); + } + } + + public Map<Long, RoutineLoadTask> getIdToRoutineLoadTask() { + return idToRoutineLoadTask; + } + + public void addNeedSchedulerRoutineLoadTasks(List<RoutineLoadTask> routineLoadTaskList) { + writeLock(); + try { + idToNeedSchedulerRoutineLoadTask.putAll(routineLoadTaskList.parallelStream().collect( + Collectors.toMap(task -> task.getSignature(), task -> task))); + } finally { + writeUnlock(); + } + } + + public Map<Long, RoutineLoadTask> getIdToNeedSchedulerRoutineLoadTasks() { + readLock(); + try { + return idToNeedSchedulerRoutineLoadTask; + } finally { + readUnlock(); + } + } + + public List<RoutineLoadJob> getRoutineLoadJobByState(RoutineLoadJob.JobState jobState) throws LoadException { + List<RoutineLoadJob> jobs = new ArrayList<>(); + Collection<RoutineLoadJob> stateJobs = null; + readLock(); + LOG.debug("begin to get routine load job by state {}", jobState.name()); + try { + switch (jobState) { + case NEED_SCHEDULER: + stateJobs = idToNeedSchedulerRoutineLoadJob.values(); + break; + case PAUSED: + throw new LoadException("not support getting paused routine load jobs"); + case RUNNING: + stateJobs = idToRunningRoutineLoadJob.values(); + break; + case STOPPED: + throw new LoadException("not support getting stopped routine load jobs"); + default: + break; + } + if (stateJobs != null) { + jobs.addAll(stateJobs); + LOG.info("got {} routine load jobs by state {}", jobs.size(), jobState.name()); + } + } finally { + readUnlock(); + } + return jobs; + } + + public void updateRoutineLoadJobState(RoutineLoadJob routineLoadJob, RoutineLoadJob.JobState jobState) { + writeLock(); + try { + RoutineLoadJob.JobState srcJobState = routineLoadJob.getState(); + long jobId = routineLoadJob.getId(); + LOG.debug("begin to change job {} state from {} to {}", jobId, srcJobState, jobState); Review comment: LOG.info maybe more suitable？ ---------------------------------------------------------------- This is an automated message from the Apache Git Service. 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