ijuma commented on code in PR #13162: URL: https://github.com/apache/kafka/pull/13162#discussion_r1375307580
########## clients/src/main/java/org/apache/kafka/common/utils/Utils.java: ########## @@ -1225,13 +1226,11 @@ public static long tryWriteTo(TransferableChannel destChannel, * @param length The number of bytes to write * @throws IOException For any errors writing to the output */ - public static void writeTo(DataOutput out, ByteBuffer buffer, int length) throws IOException { + public static void writeTo(DataOutputStream out, ByteBuffer buffer, int length) throws IOException { if (buffer.hasArray()) { out.write(buffer.array(), buffer.position() + buffer.arrayOffset(), length); } else { - int pos = buffer.position(); - for (int i = pos; i < length + pos; i++) - out.writeByte(buffer.get(i)); + Channels.newChannel(out).write(buffer); Review Comment: Sorry for the delay. I was trying to understand how to show the improvement, but we seem to always pass a heap byte buffer. How can I reproduce this improvement? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: jira-unsubscr...@kafka.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org