may be fix the bug

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/wal/buffer/WALBuffer.java

@@ -541,7 +541,7 @@ public void run() {
       // try to roll log writer
       if (info.rollWALFileWriterListener != null
           || (forceFlag
-              && currentWALFileWriter.oiginalSize() >= config.getWalFileSizeThresholdInByte())) {
+              && currentWALFileWriter.originalSize() >= config.getWalFileSizeThresholdInByte())) {
         try {
           rollLogWriter(searchIndex, currentWALFileWriter.getWalFileStatus());
           forceSuccess = true;
@@ -583,7 +583,7 @@ public void run() {
             position += fsyncListener.getWalEntryHandler().getSize();
           }
         }
-        lastFsyncPosition = currentWALFileWriter.size();
+        lastFsyncPosition = currentWALFileWriter.originalSize();
       }
       WRITING_METRICS.recordWALBufferEntriesCount(info.fsyncListeners.size());
       WRITING_METRICS.recordSyncWALBufferCost(System.nanoTime() - startTime, forceFlag);

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/wal/io/LogWriter.java

@@ -133,7 +133,7 @@ public long size() {
     return size;
   }
 
-  public long oiginalSize() {
+  public long originalSize() {
     return originalSize;
   }
 

iotdb-core/datanode/src/test/java/org/apache/iotdb/db/storageengine/dataregion/wal/compression/WALCompressionTest.java

@@ -0,0 +1,54 @@
+/*
+ * 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.storageengine.dataregion.wal.compression;
+
+import org.apache.iotdb.db.storageengine.dataregion.wal.utils.WALFileStatus;
+import org.apache.iotdb.db.storageengine.dataregion.wal.utils.WALFileUtils;
+import org.apache.iotdb.db.utils.constant.TestConstant;
+
+import org.junit.After;
+import org.junit.Before;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
+public class WALCompressionTest {
+  private final File walFile =
+      new File(
+          TestConstant.BASE_OUTPUT_PATH.concat(
+              WALFileUtils.getLogFileName(0, 0, WALFileStatus.CONTAINS_SEARCH_INDEX)));
+
+  @Before
+  public void setUp() throws IOException {
+    if (walFile.getParentFile().exists()) {
+      Files.delete(walFile.getParentFile().toPath());
+    }
+    Files.createDirectory(walFile.getParentFile().toPath());
+  }
+
+  @After
+  public void tearDown() throws IOException {
+    if (walFile.getParentFile().exists()) {
+      Files.delete(walFile.getParentFile().toPath());
+    }
+  }
+
+  public void testSkipToGivenPosition() {}
+}