Mrhs121 commented on code in PR #2347: URL: https://github.com/apache/kylin/pull/2347#discussion_r3900779047
########## src/data-loading-service/src/main/java/org/apache/kylin/rest/scheduler/AutoBuildSegmentScheduler.java: ########## @@ -0,0 +1,226 @@ +/* + * 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.kylin.rest.scheduler; + +import static org.apache.kylin.metadata.model.AutoSegmentBuildConfig.END_OF_DAY; + +import java.time.Duration; +import java.time.Instant; +import java.time.LocalDate; +import java.time.LocalDateTime; +import java.time.LocalTime; +import java.time.ZoneId; +import java.time.ZonedDateTime; +import java.time.format.DateTimeFormatter; +import java.time.format.DateTimeParseException; +import java.util.List; +import java.util.Locale; +import java.util.concurrent.atomic.AtomicBoolean; +import java.util.concurrent.atomic.AtomicReference; + +import org.apache.commons.lang3.StringUtils; +import org.apache.kylin.common.KylinConfig; +import org.apache.kylin.common.util.Pair; +import org.apache.kylin.guava30.shaded.common.annotations.VisibleForTesting; +import org.apache.kylin.guava30.shaded.common.collect.Lists; +import org.apache.kylin.job.execution.AbstractExecutable; +import org.apache.kylin.job.execution.ExecutableManager; +import org.apache.kylin.job.execution.ExecutableState; +import org.apache.kylin.job.execution.JobTypeEnum; +import org.apache.kylin.job.util.JobContextUtil; +import org.apache.kylin.metadata.cube.model.NDataflowManager; +import org.apache.kylin.metadata.model.AutoSegmentBuildConfig; +import org.apache.kylin.metadata.model.NDataModel; +import org.apache.kylin.metadata.model.PartitionDesc; +import org.apache.kylin.metadata.project.NProjectManager; +import org.apache.kylin.metadata.project.ProjectInstance; +import org.apache.kylin.rest.service.ModelBuildService; +import org.apache.kylin.rest.service.params.IncrementBuildSegmentParams; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.beans.factory.annotation.Qualifier; +import org.springframework.scheduling.annotation.Scheduled; +import org.springframework.stereotype.Component; + +import lombok.val; +import lombok.extern.slf4j.Slf4j; + +@Slf4j +@Component +public class AutoBuildSegmentScheduler { + private static final Duration INITIAL_TRIGGER_LOOKBACK = Duration.ofMinutes(1); + private static final DateTimeFormatter TIME_FORMATTER = DateTimeFormatter.ofPattern("HH:mm:ss", Locale.ROOT); + + @Autowired + @Qualifier("modelBuildService") + private ModelBuildService modelBuildService; + + private final AtomicBoolean dispatching = new AtomicBoolean(false); + private final AtomicReference<Instant> lastDispatchTime = new AtomicReference<>(); + + @Scheduled(cron = "${kylin.model.auto-segment-build.dispatcher-cron:*/30 * * * * ?}") + public void schedulerAutoBuildSegment() { + val currentTime = Instant.now(); + if (!JobContextUtil.getJobContext(KylinConfig.getInstanceFromEnv()).getJobScheduler().isMaster()) { + lastDispatchTime.set(currentTime); + return; + } + if (!dispatching.compareAndSet(false, true)) { + log.warn("Skip auto build segment dispatch because the previous dispatch is still running"); + return; + } + + val previousTime = getPreviousDispatchTime(currentTime); + try { + dispatch(previousTime, currentTime); + } finally { + lastDispatchTime.set(currentTime); + dispatching.set(false); + } + } + + private Instant getPreviousDispatchTime(Instant currentTime) { + val previousTime = lastDispatchTime.get(); + if (previousTime == null || previousTime.isAfter(currentTime)) { + return currentTime.minus(INITIAL_TRIGGER_LOOKBACK); + } + return previousTime; + } + + @VisibleForTesting + void dispatch(Instant previousTime, Instant currentTime) { + val systemConfig = KylinConfig.readSystemKylinConfig(); + val projectManager = NProjectManager.getInstance(systemConfig); + for (ProjectInstance project : projectManager.listAllProjects()) { + try { + dispatchProject(systemConfig, project, previousTime, currentTime); + } catch (Exception e) { + log.error("Auto build segment dispatch failed for project: {}", project.getName(), e); + } + } + } + + private void dispatchProject(KylinConfig systemConfig, ProjectInstance project, Instant previousTime, + Instant currentTime) { + val projectName = project.getName(); + val zoneId = ZoneId.of(project.getConfig().getTimeZone()); + val dataflowManager = NDataflowManager.getInstance(systemConfig, projectName); + for (NDataModel model : dataflowManager.listOnlineDataModels()) { + try { + dispatchModel(projectName, model, zoneId, previousTime, currentTime); + } catch (Exception e) { + log.error("Auto build segment dispatch failed, project: {}, model: {}", projectName, model.getUuid(), + e); + } + } + } + + private void dispatchModel(String project, NDataModel model, ZoneId zoneId, Instant previousTime, + Instant currentTime) { + val autoSegmentBuild = getEligibleConfig(model); + if (autoSegmentBuild == null) { + return; + } + if (StringUtils.isBlank(autoSegmentBuild.getTriggerTime())) { + log.warn("Skip auto build segment because trigger_time is blank, project: {}, model: {}", project, + model.getUuid()); + return; + } + + val scheduledTime = getLatestScheduledTime(autoSegmentBuild.getTriggerTime(), zoneId, currentTime); + val scheduledInstant = scheduledTime.toInstant(); + if (!scheduledInstant.isAfter(previousTime) || scheduledInstant.isAfter(currentTime)) { + return; + } + submitJob(project, model, autoSegmentBuild, scheduledTime); + } + + private AutoSegmentBuildConfig getEligibleConfig(NDataModel model) { + if (model.isBroken() || model.isStreaming() || model.isMultiPartitionModel() + || PartitionDesc.isEmptyPartitionDesc(model.getPartitionDesc()) || model.getSegmentConfig() == null) { + return null; + } + val autoSegmentBuild = model.getSegmentConfig().getAutoSegmentBuild(); + return autoSegmentBuild != null && autoSegmentBuild.isEnabled() ? autoSegmentBuild : null; + } + + @VisibleForTesting Review Comment: `dispatch` is part of the production scheduler flow, so I have removed the `@VisibleForTesting` annotation. The method remains package-private to allow unit-test coverage. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
