[Pipe] Prevent resizing released TsFile scan parser memory

iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/event/common/tsfile/parser/scan/TsFileInsertionEventScanParser.java

@@ -165,6 +165,9 @@ public TsFileInsertionEventScanParser(
       tsFileSequenceReader.position((long) TSFileConfig.MAGIC_STRING.getBytes().length + 1);
 
       prepareData();
+      if (Objects.isNull(chunkReader)) {
+        close();
+      }
     } catch (final Exception e) {
       close();
       throw e;
@@ -440,7 +443,7 @@ private void prepareData() throws IOException, IllegalPathException {
       } while (Objects.nonNull(chunkReader) && !chunkReader.hasNextSatisfiedPage());
 
       if (Objects.isNull(chunkReader)) {
-        close();
+        // Let the caller release the last tablet's memory before closing the parser.
         break;
       }
 

iotdb-core/datanode/src/test/java/org/apache/iotdb/db/pipe/event/TsFileInsertionEventParserTest.java

@@ -172,6 +172,16 @@ public void testScanParserReleasesTabletMemoryAfterRawTabletGenerated() throws E
             null,
             null,
             false)) {
+      replaceAllocatedTabletMemory(
+          parser,
+          new PipeMemoryBlock(0) {
+            @Override
+            public void close() {
+              Assert.assertEquals(0, getMemoryUsageInBytes());
+              super.close();
+            }
+          });
+
       final Iterator<TabletInsertionEvent> iterator = parser.toTabletInsertionEvents().iterator();
 
       Assert.assertTrue(iterator.hasNext());