[Bugfix] Fix uncorrect index file (Tencent#92)

### What changes were proposed in this pull request?
Modify the method that calculate the offset in the index file.

### Why are the changes needed?
If we don't have this patch, we run 10TB tpcds, query24a will fail.
<img width="361" alt="企业微信截图_6dc451cf-dbf4-4257-b680-e79346cd582d" src="https://user-images.githubusercontent.com/8159038/157178756-d8a39b3f-0ea6-4864-ac68-ee382a88bb0f.png">
When we write many data to dataOutputStream, dataOutputStream.size() won't increase again. dataOutputStream.size() will
always be Integer.MAX_VALUE.

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
Add new uts.

Co-authored-by: roryqi <roryqi@tencent.com>

storage/src/main/java/com/tencent/rss/storage/handler/impl/LocalFileWriter.java

@@ -30,21 +30,19 @@ public class LocalFileWriter implements Closeable {
 
   private DataOutputStream dataOutputStream;
   private FileOutputStream fileOutputStream;
-  private long initSize;
   private long nextOffset;
 
   public LocalFileWriter(File file) throws IOException {
     fileOutputStream = new FileOutputStream(file, true);
     // init fsDataOutputStream
     dataOutputStream = new DataOutputStream(fileOutputStream);
-    initSize = file.length();
-    nextOffset = initSize;
+    nextOffset = file.length();
   }
 
   public void writeData(byte[] data) throws IOException {
     if (data != null && data.length > 0) {
       dataOutputStream.write(data);
-      nextOffset = initSize + dataOutputStream.size();
+      nextOffset = nextOffset + data.length;
     }
   }
 

storage/src/test/java/com/tencent/rss/storage/handler/impl/LocalFileHandlerTest.java

@@ -39,6 +39,7 @@
 import com.tencent.rss.storage.handler.api.ShuffleWriteHandler;
 import com.tencent.rss.storage.util.ShuffleStorageUtils;
 import java.io.File;
+import java.io.IOException;
 import java.util.List;
 import java.util.Map;
 import java.util.Random;
@@ -53,6 +54,7 @@ public class LocalFileHandlerTest {
   @Test
   public void writeTest() throws Exception {
     File tmpDir = Files.createTempDir();
+    tmpDir.deleteOnExit();
     File dataDir1 = new File(tmpDir, "data1");
     File dataDir2 = new File(tmpDir, "data2");
     String[] basePaths = new String[]{dataDir1.getAbsolutePath(),
@@ -111,6 +113,21 @@ public void writeTest() throws Exception {
     }
   }
 
+  @Test
+  public void writeBigDataTest() throws IOException  {
+    File tmpDir = Files.createTempDir();
+    tmpDir.deleteOnExit();
+    File writeFile = new File(tmpDir, "writetest");
+    LocalFileWriter writer = new LocalFileWriter(writeFile);
+    int  size = Integer.MAX_VALUE / 100;
+    byte[] data = new byte[size];
+    for (int i = 0; i < 200; i++) {
+      writer.writeData(data);
+    }
+    long totalSize = 200L * size;
+    assertEquals(writer.nextOffset(), totalSize);
+  }
+
 
   private void writeTestData(
       ShuffleWriteHandler writeHandler,