[GitHub] [iotdb] HTHou commented on a diff in pull request #5970: [IOTDB-3246]TsFile Validation Tool

[GitBox <gi...@apache.org>]

HTHou commented on code in PR #5970:
URL: https://github.com/apache/iotdb/pull/5970#discussion_r878792308


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server/src/main/java/org/apache/iotdb/db/tools/validate/TsFileValidationTool.java:
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@@ -0,0 +1,408 @@
+/*
+ * 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.iotdb.db.tools.validate;
+
+import org.apache.iotdb.db.engine.storagegroup.TsFileResource;
+import org.apache.iotdb.tsfile.common.conf.TSFileConfig;
+import org.apache.iotdb.tsfile.common.conf.TSFileDescriptor;
+import org.apache.iotdb.tsfile.common.constant.TsFileConstant;
+import org.apache.iotdb.tsfile.encoding.decoder.Decoder;
+import org.apache.iotdb.tsfile.exception.write.WriteProcessException;
+import org.apache.iotdb.tsfile.file.MetaMarker;
+import org.apache.iotdb.tsfile.file.header.ChunkGroupHeader;
+import org.apache.iotdb.tsfile.file.header.ChunkHeader;
+import org.apache.iotdb.tsfile.file.header.PageHeader;
+import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
+import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
+import org.apache.iotdb.tsfile.read.TsFileSequenceReader;
+import org.apache.iotdb.tsfile.read.common.BatchData;
+import org.apache.iotdb.tsfile.read.reader.page.PageReader;
+import org.apache.iotdb.tsfile.read.reader.page.TimePageReader;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Objects;
+
+import static org.apache.iotdb.commons.conf.IoTDBConstant.PATH_SEPARATOR;
+import static org.apache.iotdb.tsfile.common.constant.TsFileConstant.TSFILE_SUFFIX;
+
+/**
+ * This tool can be used to check the correctness of tsfile and point out errors in specific
+ * timeseries or devices. The types of errors include the following:
+ *
+ * <p>Device overlap between files
+ *
+ * <p>Timeseries overlap between files
+ *
+ * <p>Timeseries overlap between chunks
+ *
+ * <p>Timeseries overlap between pages
+ *
+ * <p>Timeseries overlap within one page
+ */
+public class TsFileValidationTool {
+  private static boolean printDetails = false;
+
+  private static final Logger logger = LoggerFactory.getLogger(TsFileValidationTool.class);
+  private static final List<File> seqDataDirList = new ArrayList<>();
+  private static final List<File> fileList = new ArrayList<>();
+  private static int badFileNum = 0;
+
+  /**
+   * The form of param is: [path of data dir or tsfile] [print details or not]. Eg:
+   * xxx/iotdb/data/data1 xxx/xxx.tsfile -pd=true
+   */
+  public static void main(String[] args) throws WriteProcessException, IOException {
+    if (!checkArgs(args)) {
+      System.exit(1);
+    }
+    System.out.println("Start checking seq files ...");
+
+    // check tsfile, which will only check for correctness inside a single tsfile
+    for (File f : fileList) {
+      findUncorrectFiles(Collections.singletonList(f));
+    }
+
+    // check tsfiles in data dir, which will check for correctness inside one single tsfile and
+    // between files
+    for (File seqDataDir : seqDataDirList) {
+      // get sg data dirs
+      if (!checkIsDirectory(seqDataDir)) {
+        continue;
+      }
+      File[] sgDirs = seqDataDir.listFiles();
+      for (File sgDir : Objects.requireNonNull(sgDirs)) {
+        if (!checkIsDirectory(sgDir)) {
+          continue;
+        }
+        System.out.println("- Check files in storage group: " + sgDir.getAbsolutePath());
+        // get vsg data dirs
+        File[] vsgDirs = sgDir.listFiles();

Review Comment:
   dataRegion dir?



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