| // 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.doris.persist; |
| |
| import org.apache.logging.log4j.Logger; |
| import org.apache.logging.log4j.LogManager; |
| |
| import java.io.File; |
| import java.io.IOException; |
| |
| public class MetaCleaner { |
| private static final Logger LOG = LogManager.getLogger(MetaCleaner.class); |
| |
| private String imageDir; |
| |
| public MetaCleaner(String imageDir) { |
| this.imageDir = imageDir; |
| } |
| |
| public void clean() throws IOException { |
| Storage storage = new Storage(imageDir); |
| long currentVersion = storage.getLatestValidatedImageSeq(); |
| long imageDeleteVersion = currentVersion - 1; |
| |
| File currentImage = storage.getImageFile(currentVersion); |
| if (currentImage.exists()) { |
| File metaDir = new File(imageDir); |
| File[] children = metaDir.listFiles(); |
| |
| // Iterate all file in metaDir |
| for (File file : children) { |
| String type = fileType(file); |
| if (type == null) { |
| continue; |
| } |
| String filename = file.getName(); |
| // Delete all image whose version is less than imageVersionDelete |
| if (type.equalsIgnoreCase(Storage.IMAGE)) { |
| if (filename.endsWith(".part")) { |
| filename = filename.substring(0, filename.length() - ".part".length()); |
| } |
| long version = Long.parseLong(filename.substring(filename.lastIndexOf('.') + 1)); |
| |
| if (version < imageDeleteVersion) { |
| if (file.delete()) { |
| LOG.info(file.getAbsoluteFile() + " deleted."); |
| } else { |
| LOG.warn(file.getAbsoluteFile() + " delete failed."); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| public void cleanTheLatestInvalidImageFile(String path) throws IOException { |
| File latestInvalidImage = new File(path); |
| if (latestInvalidImage.exists()) { |
| if (latestInvalidImage.delete()) { |
| LOG.info(latestInvalidImage.getAbsoluteFile() + " deleted."); |
| } else { |
| LOG.warn(latestInvalidImage.getAbsoluteFile() + " delete failed."); |
| } |
| } |
| } |
| |
| private String fileType(File file) throws IOException { |
| String type = null; |
| String filename = file.getName(); |
| |
| if (filename.equals(Storage.IMAGE_NEW)) { |
| type = Storage.IMAGE_NEW; |
| } else { |
| if (filename.endsWith(".part")) { |
| filename = filename.substring(0, filename.length() - ".part".length()); |
| } |
| |
| if (filename.contains(".")) { |
| if (filename.startsWith(Storage.IMAGE)) { |
| type = Storage.IMAGE; |
| } |
| |
| if (filename.startsWith(Storage.EDITS)) { |
| type = Storage.EDITS; |
| } |
| } |
| } |
| |
| return type; |
| } |
| |
| } |