splett2 commented on a change in pull request #11754:
URL: https://github.com/apache/kafka/pull/11754#discussion_r810211960
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File path: clients/src/main/java/org/apache/kafka/common/utils/Utils.java
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@@ -764,10 +764,7 @@ public static ByteBuffer ensureCapacity(ByteBuffer
existingBuffer, int newLength
*/
@SafeVarargs
public static <T> Set<T> mkSet(T... elems) {
- Set<T> result = new HashSet<>((int) (elems.length / 0.75) + 1);
- for (T elem : elems)
- result.add(elem);
- return result;
+ return new HashSet<>(Arrays.asList(elems));
Review comment:
This microbenchmark doesn't seem to be written correctly.
you are creating a singleton list of a primitive array in
`testCreateHashSet1`.
`inits` needs to be an `Integer` array rather than a primitive array to get
the expected array/hashset behavior.
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