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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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