vrajat commented on code in PR #14110: URL: https://github.com/apache/pinot/pull/14110#discussion_r1809481301
########## pinot-controller/src/main/java/org/apache/pinot/controller/cursors/ResponseStoreCleaner.java: ########## @@ -0,0 +1,206 @@ +/** + * 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.cursors; + +import com.fasterxml.jackson.core.type.TypeReference; +import java.io.IOException; +import java.net.URI; +import java.util.ArrayList; +import java.util.Collections; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.Properties; +import java.util.concurrent.CompletionService; +import java.util.concurrent.Executor; +import java.util.concurrent.TimeUnit; +import java.util.function.Function; +import java.util.stream.Collectors; +import org.apache.commons.lang3.StringUtils; +import org.apache.commons.lang3.tuple.Pair; +import org.apache.hc.client5.http.classic.methods.HttpDelete; +import org.apache.hc.client5.http.classic.methods.HttpGet; +import org.apache.hc.client5.http.classic.methods.HttpUriRequestBase; +import org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager; +import org.apache.hc.core5.http.io.entity.EntityUtils; +import org.apache.helix.model.InstanceConfig; +import org.apache.pinot.common.http.MultiHttpRequest; +import org.apache.pinot.common.http.MultiHttpRequestResponse; +import org.apache.pinot.common.metrics.ControllerMetrics; +import org.apache.pinot.common.response.CursorResponse; +import org.apache.pinot.common.response.broker.CursorResponseNative; +import org.apache.pinot.controller.ControllerConf; +import org.apache.pinot.controller.LeadControllerManager; +import org.apache.pinot.controller.api.resources.InstanceInfo; +import org.apache.pinot.controller.helix.core.PinotHelixResourceManager; +import org.apache.pinot.controller.helix.core.periodictask.ControllerPeriodicTask; +import org.apache.pinot.spi.utils.CommonConstants; +import org.apache.pinot.spi.utils.JsonUtils; +import org.apache.pinot.spi.utils.TimeUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + + +public class ResponseStoreCleaner extends ControllerPeriodicTask<Void> { + private static final Logger LOGGER = LoggerFactory.getLogger(ResponseStoreCleaner.class); + private static final int TIMEOUT_MS = 3000; + private static final String QUERY_RESULT_STORE = "%s://%s:%d/responseStore"; + private static final String DELETE_QUERY_RESULT = "%s://%s:%d/responseStore/%s"; + public static final String CLEAN_AT_TIME = "response.store.cleaner.clean.at.ms"; + private final ControllerConf _controllerConf; + private final Executor _executor; + private final PoolingHttpClientConnectionManager _connectionManager; + + public ResponseStoreCleaner(ControllerConf config, PinotHelixResourceManager pinotHelixResourceManager, + LeadControllerManager leadControllerManager, ControllerMetrics controllerMetrics, Executor executor, + PoolingHttpClientConnectionManager connectionManager) { + super("ResultStoreCleaner", getFrequencyInSeconds(config), getInitialDelayInSeconds(config), + pinotHelixResourceManager, leadControllerManager, controllerMetrics); + _controllerConf = config; + _executor = executor; + _connectionManager = connectionManager; + } + + private static long getInitialDelayInSeconds(ControllerConf config) { + long initialDelay = config.getPeriodicTaskInitialDelayInSeconds(); + String resultStoreCleanerTaskInitialDelay = + config.getProperty(CommonConstants.CursorConfigs.RESULT_STORE_CLEANER_INITIAL_DELAY); + if (resultStoreCleanerTaskInitialDelay != null) { + initialDelay = TimeUnit.SECONDS.convert(TimeUtils.convertPeriodToMillis(resultStoreCleanerTaskInitialDelay), + TimeUnit.MILLISECONDS); + } + return initialDelay; + } + + private static long getFrequencyInSeconds(ControllerConf config) { + long frequencyInSeconds = 0; + String resultStoreCleanerTaskPeriod = + config.getProperty(CommonConstants.CursorConfigs.RESULT_STORE_CLEANER_FREQUENCY_PERIOD); + if (resultStoreCleanerTaskPeriod != null) { + frequencyInSeconds = TimeUnit.SECONDS.convert(TimeUtils.convertPeriodToMillis(resultStoreCleanerTaskPeriod), + TimeUnit.MILLISECONDS); + } + + return frequencyInSeconds; + } + + @Override + protected void processTables(List<String> tableNamesWithType, Properties periodicTaskProperties) { + long cleanAtMs = System.currentTimeMillis(); + String cleanAtMsStr = periodicTaskProperties.getProperty(CLEAN_AT_TIME); + if (cleanAtMsStr != null) { + cleanAtMs = Long.parseLong(cleanAtMsStr); + } + doClean(cleanAtMs); + } + + public void doClean(long currentTime) { Review Comment: Done -- This is an automated message from the Apache Git Service. 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