reduce bytes copy

HTHou · HTHou · commit 33aeaee64b8b · 2025-12-05T16:00:25.000+08:00
diff --git a/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/PlainObjectPath.java b/iotdb-core/datanode/src/main/java/org/apache/iotdb/db/storageengine/dataregion/PlainObjectPath.java
@@ -103,9 +103,7 @@ public static PlainObjectPath deserialize(InputStream stream) throws IOException
   }
 
   public static PlainObjectPath deserializeObjectValue(ByteBuffer byteBuffer) {
-    byte[] bytes = new byte[byteBuffer.remaining()];
-    byteBuffer.get(bytes);
-    return new PlainObjectPath(new String(bytes, StandardCharsets.UTF_8));
+    return new PlainObjectPath(StandardCharsets.UTF_8.decode(byteBuffer).toString());
   }
 
   @Override

Original file line number	Diff line number	Diff line change
`@@ -103,9 +103,7 @@ public static PlainObjectPath deserialize(InputStream stream) throws IOException`
`103`	`103`	`}`
`104`	`104`
`105`	`105`	`public static PlainObjectPath deserializeObjectValue(ByteBuffer byteBuffer) {`
`106`		`- byte[] bytes = new byte[byteBuffer.remaining()];`
`107`		`- byteBuffer.get(bytes);`
`108`		`- return new PlainObjectPath(new String(bytes, StandardCharsets.UTF_8));`
	`106`	`+ return new PlainObjectPath(StandardCharsets.UTF_8.decode(byteBuffer).toString());`
`109`	`107`	`}`
`110`	`108`
`111`	`109`	`@Override`