From e577e8e71ecc23788d527f0065d19c35ab697964 Mon Sep 17 00:00:00 2001
From: jaysunxiao <jaysunxiao.gmail.com>
Date: Fri, 10 Jun 2022 17:12:28 +0800
Subject: [PATCH] =?UTF-8?q?doc[protocol]:=20readRetainedSlice=E5=92=8Cbyte?=
 =?UTF-8?q?[]=E6=95=B0=E7=BB=84=E7=9B=B8=E6=AF=94=EF=BC=8CreadRetainedSlic?=
 =?UTF-8?q?e=E5=87=8F=E5=B0=91=E4=BA=86=E5=9E=83=E5=9C=BE=E5=9B=9E?=
 =?UTF-8?q?=E6=94=B6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../java/com/zfoo/net/handler/codec/tcp/TcpCodecHandler.java     | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/src/main/java/com/zfoo/net/handler/codec/tcp/TcpCodecHandler.java b/net/src/main/java/com/zfoo/net/handler/codec/tcp/TcpCodecHandler.java
index 2f3caf53..f9dc89f2 100644
--- a/net/src/main/java/com/zfoo/net/handler/codec/tcp/TcpCodecHandler.java
+++ b/net/src/main/java/com/zfoo/net/handler/codec/tcp/TcpCodecHandler.java
@@ -62,6 +62,7 @@ public class TcpCodecHandler extends ByteToMessageCodec<EncodedPacketInfo> {
 
         ByteBuf tmpByteBuf = null;
         try {
+            // readRetainedSlice和byte[]数组相比，readRetainedSlice减少了垃圾回收
             tmpByteBuf = in.readRetainedSlice(length);
             DecodedPacketInfo packetInfo = NetContext.getPacketService().read(tmpByteBuf);
             out.add(packetInfo);