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Active Load: Refactoring the code for handling exception information …
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...in/java/org/apache/iotdb/db/storageengine/load/active/ActiveLoadFailedMessageHandler.java
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| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.iotdb.db.storageengine.load.active; | ||
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| import org.apache.iotdb.commons.conf.CommonDescriptor; | ||
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| import org.apache.tsfile.utils.Pair; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
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| import java.util.Collections; | ||
| import java.util.HashMap; | ||
| import java.util.Map; | ||
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| public class ActiveLoadFailedMessageHandler { | ||
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| private static final Logger LOGGER = | ||
| LoggerFactory.getLogger(ActiveLoadFailedMessageHandler.class); | ||
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| private static final Map<String, ExceptionMessageHandler> EXCEPTION_MESSAGE_HANDLER_MAP = | ||
| Collections.unmodifiableMap( | ||
| new HashMap<String, ExceptionMessageHandler>() { | ||
| { | ||
| // system is memory constrains | ||
| put( | ||
| "memory", | ||
| filePair -> | ||
| LOGGER.info( | ||
| "Rejecting auto load tsfile {} (isGeneratedByPipe = {}) due to memory constraints, will retry later.", | ||
| filePair.getLeft(), | ||
| filePair.getRight())); | ||
| // system is read only | ||
| put( | ||
| "read only", | ||
| filePair -> | ||
| LOGGER.info( | ||
| "Rejecting auto load tsfile {} (isGeneratedByPipe = {}) due to the system is read only, will retry later.", | ||
| filePair.getLeft(), | ||
| filePair.getRight())); | ||
| // Timed out to wait for procedure return. The procedure is still running. | ||
| put( | ||
| "procedure return", | ||
| filePair -> | ||
| LOGGER.info( | ||
| "Rejecting auto load tsfile {} (isGeneratedByPipe = {}) due to time out to wait for procedure return, will retry later.", | ||
| filePair.getLeft(), | ||
| filePair.getRight())); | ||
| // DataNode is not enough, please register more. | ||
| put( | ||
| "not enough", | ||
| filePair -> | ||
| LOGGER.info( | ||
| "Rejecting auto load tsfile {} (isGeneratedByPipe = {}) due to the datanode is not enough, will retry later.", | ||
| filePair.getLeft(), | ||
| filePair.getRight())); | ||
| // Fail to connect to any config node. Please check status of ConfigNodes or logs of | ||
| // connected DataNode. | ||
| put( | ||
| "any config node", | ||
| filePair -> | ||
| LOGGER.info( | ||
| "Rejecting auto load tsfile {} (isGeneratedByPipe = {}) due to fail to connect to any config node, will retry later.", | ||
| filePair.getLeft(), | ||
| filePair.getRight())); | ||
| // Current query is time out, query start time is 1729653161797, ddl is | ||
| // -3046040214706, current time is 1729653184210, please check your statement or | ||
| // modify timeout parameter | ||
| put( | ||
| "query is time out", | ||
| filePair -> | ||
| LOGGER.info( | ||
| "Rejecting auto load tsfile {} (isGeneratedByPipe = {}) due to current query is time out, will retry later.", | ||
| filePair.getLeft(), | ||
| filePair.getRight())); | ||
| } | ||
| }); | ||
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| @FunctionalInterface | ||
| private interface ExceptionMessageHandler { | ||
| void handle(final Pair<String, Boolean> filePair); | ||
| } | ||
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| public static boolean isExceptionMessageShouldRetry( | ||
| final Pair<String, Boolean> filePair, final String message) { | ||
| if (CommonDescriptor.getInstance().getConfig().isReadOnly()) { | ||
| EXCEPTION_MESSAGE_HANDLER_MAP.get("read only").handle(filePair); | ||
| return true; | ||
| } | ||
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| for (String key : EXCEPTION_MESSAGE_HANDLER_MAP.keySet()) { | ||
| if (message != null && message.contains(key)) { | ||
| EXCEPTION_MESSAGE_HANDLER_MAP.get(key).handle(filePair); | ||
| return true; | ||
| } | ||
| } | ||
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| return false; | ||
| } | ||
| } |
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