wu-sheng commented on code in PR #625:
URL: https://github.com/apache/skywalking-java/pull/625#discussion_r1375380313


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apm-sniffer/optional-plugins/netty-http-4.1.x-plugin/src/main/java/org/apache/skywalking/apm/plugin/netty/http/config/NettyHttpPluginConfig.java:
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@@ -0,0 +1,48 @@
+/*
+ * 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.skywalking.apm.plugin.netty.http.config;
+
+import org.apache.skywalking.apm.agent.core.boot.PluginConfig;
+
+public class NettyHttpPluginConfig {
+
+    public static class Plugin {
+
+        @PluginConfig(root = NettyHttpPluginConfig.class)
+        public static class NettyHttp {
+
+            /**
+             * This config item controls that whether the Netty Http plugin 
should collect the http body of the request.
+             */
+            public static boolean COLLECT_REQUEST_BODY = false;
+
+            /**
+             * When either {@link Plugin.NettyHttp#COLLECT_REQUEST_BODY} is 
enabled, how many characters to keep and send to the OAP
+             * backend, use negative values to keep and send the complete body.

Review Comment:
   ```suggestion
                * If {@link Plugin.NettyHttp#COLLECT_REQUEST_BODY} is enabled, 
                * this limitation threshold controls the max size of collected 
HTTP body.
                * Use the negative value to represent the unlimited threshold, 
which could cause OOM.
   ```



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