npawar commented on a change in pull request #3644: Split ValidationManager duties into separate ControllerPeriodicTasks URL: https://github.com/apache/incubator-pinot/pull/3644#discussion_r245743291
########## File path: pinot-controller/src/main/java/com/linkedin/pinot/controller/validation/RealtimeSegmentValidationManager.java ########## @@ -0,0 +1,162 @@ +/** + * Copyright (C) 2014-2018 LinkedIn Corp. ([email protected]) + * + * Licensed 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 com.linkedin.pinot.controller.validation; + +import com.google.common.annotations.VisibleForTesting; +import com.google.common.base.Preconditions; +import com.linkedin.pinot.common.config.TableConfig; +import com.linkedin.pinot.common.config.TableNameBuilder; +import com.linkedin.pinot.common.metadata.segment.RealtimeSegmentZKMetadata; +import com.linkedin.pinot.common.metrics.ValidationMetrics; +import com.linkedin.pinot.common.utils.CommonConstants; +import com.linkedin.pinot.common.utils.HLCSegmentName; +import com.linkedin.pinot.common.utils.SegmentName; +import com.linkedin.pinot.controller.ControllerConf; +import com.linkedin.pinot.controller.helix.core.PinotHelixResourceManager; +import com.linkedin.pinot.controller.helix.core.periodictask.ControllerPeriodicTask; +import com.linkedin.pinot.controller.helix.core.realtime.PinotLLCRealtimeSegmentManager; +import com.linkedin.pinot.core.realtime.stream.StreamConfig; +import java.util.List; +import java.util.Map; +import java.util.concurrent.TimeUnit; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +/** + * Validates realtime ideal states and segment metadata, fixing any partitions which have stopped consuming + */ +public class RealtimeSegmentValidationManager extends ControllerPeriodicTask { + private static final Logger LOGGER = LoggerFactory.getLogger(RealtimeSegmentValidationManager.class); + + private final PinotLLCRealtimeSegmentManager _llcRealtimeSegmentManager; + private final ValidationMetrics _validationMetrics; + + private final int _segmentLevelValidationIntervalInSeconds; + private long _lastUpdateRealtimeDocumentCountTimeMs = 0L; + private boolean _updateRealtimeDocumentCount; + + public RealtimeSegmentValidationManager(ControllerConf config, PinotHelixResourceManager pinotHelixResourceManager, + PinotLLCRealtimeSegmentManager llcRealtimeSegmentManager, ValidationMetrics validationMetrics) { + super("RealtimeSegmentValidationManager", config.getRealtimeSegmentValidationFrequencyInSeconds(), + pinotHelixResourceManager); + _llcRealtimeSegmentManager = llcRealtimeSegmentManager; + _validationMetrics = validationMetrics; + + _segmentLevelValidationIntervalInSeconds = config.getSegmentLevelValidationIntervalInSeconds(); + Preconditions.checkState(_segmentLevelValidationIntervalInSeconds > 0); + } + + @Override + protected void preprocess() { + // Update realtime document counts only if certain time has passed after previous run + _updateRealtimeDocumentCount = false; + long currentTimeMs = System.currentTimeMillis(); + if (TimeUnit.MILLISECONDS.toSeconds(currentTimeMs - _lastUpdateRealtimeDocumentCountTimeMs) + >= _segmentLevelValidationIntervalInSeconds) { + LOGGER.info("Run segment-level validation"); + _updateRealtimeDocumentCount = true; + _lastUpdateRealtimeDocumentCountTimeMs = currentTimeMs; + } + } + + @Override + protected void processTable(String tableNameWithType) { + try { + TableConfig tableConfig = _pinotHelixResourceManager.getTableConfig(tableNameWithType); + if (tableConfig == null) { + LOGGER.warn("Failed to find table config for table: {}, skipping validation", tableNameWithType); + return; + } + + CommonConstants.Helix.TableType tableType = TableNameBuilder.getTableTypeFromTableName(tableNameWithType); + if (tableType == CommonConstants.Helix.TableType.REALTIME) { + if (_updateRealtimeDocumentCount) { + updateRealtimeDocumentCount(tableConfig); + } + } + Map<String, String> streamConfigMap = tableConfig.getIndexingConfig().getStreamConfigs(); Review comment: Good catch! Moved it inside. Also moved the code to fetch table config inside the if, so that we avoid fetching table config from zk unnecessarily ---------------------------------------------------------------- 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]
