divijvaidya commented on code in PR #13312:
URL: https://github.com/apache/kafka/pull/13312#discussion_r1157177692
##########
clients/src/main/java/org/apache/kafka/common/utils/ByteUtils.java:
##########
@@ -227,17 +259,62 @@ public static int readVarint(DataInput in) throws
IOException {
* @throws IOException if {@link DataInput} throws {@link
IOException}
*/
public static long readVarlong(DataInput in) throws IOException {
- long value = 0L;
- int i = 0;
- long b;
- while (((b = in.readByte()) & 0x80) != 0) {
- value |= (b & 0x7f) << i;
- i += 7;
- if (i > 63)
- throw illegalVarlongException(value);
+ long raw = readUnsignedVarlong(in);
+ return (raw >>> 1) ^ -(raw & 1);
+ }
+
+ private static long readUnsignedVarlong(DataInput in) throws IOException {
+ byte tmp = in.readByte();
Review Comment:
Good idea. I have added the benchmark for different sizes of varInt and
varLong as per your recommendation.
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