snleee commented on a change in pull request #6094: URL: https://github.com/apache/incubator-pinot/pull/6094#discussion_r513761472
########## File path: pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/minion/generator/SegmentMergeRollupTaskGenerator.java ########## @@ -0,0 +1,199 @@ +/** + * 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.pinot.controller.helix.core.minion.generator; + +import com.google.common.base.Preconditions; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.HashSet; +import java.util.List; +import java.util.Map; +import java.util.Set; +import java.util.stream.Collectors; +import org.apache.pinot.common.lineage.LineageEntry; +import org.apache.pinot.common.lineage.LineageEntryState; +import org.apache.pinot.common.lineage.SegmentLineage; +import org.apache.pinot.common.metadata.segment.OfflineSegmentZKMetadata; +import org.apache.pinot.common.metadata.segment.SegmentZKMetadata; +import org.apache.pinot.controller.helix.core.minion.ClusterInfoProvider; +import org.apache.pinot.controller.helix.core.minion.mergestrategy.MergeStrategyFactory; +import org.apache.pinot.core.common.MinionConstants; +import org.apache.pinot.core.minion.PinotTaskConfig; +import org.apache.pinot.core.segment.processing.collector.CollectorFactory; +import org.apache.pinot.spi.config.table.TableConfig; +import org.apache.pinot.spi.config.table.TableTaskConfig; +import org.apache.pinot.spi.config.table.TableType; +import org.apache.pinot.spi.utils.TimeUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +public class SegmentMergeRollupTaskGenerator implements PinotTaskGenerator { + private static final Logger LOGGER = LoggerFactory.getLogger(SegmentMergeRollupTaskGenerator.class); + + private static final int DEFAULT_MAX_NUM_SEGMENTS_PER_TASK = 20; // 20 segments + private static final int DEFAULT_MAX_NUM_RECORDS_PER_SEGMENT = 5_000_000; // 5 million rows + private static final int DEFAULT_MAX_NUM_TASKS = 200; // schedule at most 200 tasks at a time + private static final String DEFAULT_BUFFER_TIME_PERIOD = "14d"; // 2 weeks + + private final ClusterInfoProvider _clusterInfoProvider; + + public SegmentMergeRollupTaskGenerator(ClusterInfoProvider clusterInfoProvider) { + _clusterInfoProvider = clusterInfoProvider; + } + + @Override + public String getTaskType() { + return MinionConstants.MergeRollupTask.TASK_TYPE; + } + + @Override + public List<PinotTaskConfig> generateTasks(List<TableConfig> tableConfigs) { + List<PinotTaskConfig> pinotTaskConfigs = new ArrayList<>(); + + // Get the segments that are being converted so that we don't submit them again + Map<String, List<String>> scheduledSegmentsMap = + TaskGeneratorUtils.getScheduledSegmentsMap(MinionConstants.MergeRollupTask.TASK_TYPE, _clusterInfoProvider); + + for (TableConfig tableConfig : tableConfigs) { + // Only generate tasks for OFFLINE tables + String offlineTableName = tableConfig.getTableName(); + if (tableConfig.getTableType() != TableType.OFFLINE) { + LOGGER.warn("Skip generating MergeRollupTask for non-OFFLINE table: {}", offlineTableName); + continue; + } + + TableTaskConfig tableTaskConfig = tableConfig.getTaskConfig(); + Preconditions.checkNotNull(tableTaskConfig); + Map<String, String> taskConfigs = + tableTaskConfig.getConfigsForTaskType(MinionConstants.MergeRollupTask.TASK_TYPE); + Preconditions.checkNotNull(taskConfigs, "Task config shouldn't be null for Table: {}", offlineTableName); + + int tableMaxNumTasks = Review comment: Then, where are we configuring the max number? In most cases, the task specific config is passed via tableConfig. ---------------------------------------------------------------- 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. For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@pinot.apache.org For additional commands, e-mail: commits-h...@pinot.apache.org
