subrat-mishra commented on code in PR #5943:
URL: https://github.com/apache/hbase/pull/5943#discussion_r1614452647
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hbase-rest/src/main/java/org/apache/hadoop/hbase/rest/ProtobufMessageHandler.java:
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@@ -18,21 +18,55 @@
package org.apache.hadoop.hbase.rest;
import java.io.IOException;
+import java.io.OutputStream;
import org.apache.yetus.audience.InterfaceAudience;
+import org.apache.hbase.thirdparty.com.google.protobuf.CodedOutputStream;
+import org.apache.hbase.thirdparty.com.google.protobuf.Message;
+
/**
* Common interface for models capable of supporting protobuf marshalling and
unmarshalling. Hooks
* up to the ProtobufMessageBodyConsumer and ProtobufMessageBodyProducer
adapters.
*/
@InterfaceAudience.Private
public interface ProtobufMessageHandler {
- /** Returns the protobuf represention of the model */
- byte[] createProtobufOutput();
+
+ // The Jetty 9.4 HttpOutput default commit size is 32K/4 = 8K. We use that
size to avoid
+ // double buffering (and copying) in HttpOutput. If we ever increase the
HttpOutput commit size,
+ // we need to adjust this accordingly. We should also revisit this when
Jetty is upgraded.
+ static final int BUFFER_SIZE = 8 * 1024;
Review Comment:
nit: static/final is redundant as all the fields in an interface are
implicitly static/final/public.
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