DanielWang2035 commented on code in PR #13400:
URL: https://github.com/apache/iotdb/pull/13400#discussion_r1751797913


##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/load/splitter/TsFileSplitter.java:
##########
@@ -389,8 +389,20 @@ private boolean checkMagic(TsFileSequenceReader reader) 
throws IOException {
     }
 
     byte versionNumber = reader.readVersionNumber();
-    if (versionNumber != TSFileConfig.VERSION_NUMBER) {
-      logger.error("the file's Version Number is incorrect, file path: {}", 
reader.getFileName());
+    if (versionNumber < TSFileConfig.VERSION_NUMBER) {
+      if (versionNumber < TSFileConfig.VERSION_NUMBER - 1) {
+        logger.error("the file's Version Number is too old, file path: {}", 
reader.getFileName());
+        return false;
+      } else {
+        logger.warn(

Review Comment:
   fixed



##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/queryengine/plan/analyze/LoadTsFileAnalyzer.java:
##########
@@ -250,7 +255,16 @@ private void analyzeSingleTsFile(final File tsFile, final 
boolean isDeleteAfterL
         tsFileResource.deserialize();
       }
 
-      
schemaAutoCreatorAndVerifier.setCurrentModificationsAndTimeIndex(tsFileResource);
+      final TsFileDeviceIterator tsFileDeviceIterator = 
reader.getAllDevicesIteratorWithIsAligned();
+      final AtomicInteger deviceCount = new AtomicInteger();
+      tsFileDeviceIterator.forEachRemaining(o -> 
deviceCount.getAndIncrement());

Review Comment:
   fixed



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