chia7712 commented on code in PR #15589:
URL: https://github.com/apache/kafka/pull/15589#discussion_r1536830823


##########
clients/src/main/java/org/apache/kafka/common/telemetry/internals/ClientTelemetryUtils.java:
##########
@@ -204,17 +202,16 @@ public static byte[] compress(byte[] raw, CompressionType 
compressionType) throw
     public static ByteBuffer decompress(byte[] metrics, CompressionType 
compressionType) {
         ByteBuffer data = ByteBuffer.wrap(metrics);
         try (InputStream in = compressionType.wrapForInput(data, 
RecordBatch.CURRENT_MAGIC_VALUE, BufferSupplier.create());
-            ByteArrayOutputStream out = new ByteArrayOutputStream()) {
-
-            byte[] bytes = new byte[data.capacity() * 2];
-            int nRead;
-            while ((nRead = in.read(bytes, 0, bytes.length)) != -1) {
-                out.write(bytes, 0, nRead);
-            }
-
-            out.flush();
-            return ByteBuffer.wrap(out.toByteArray());
-        } catch (IOException e) {
+             ByteBufferOutputStream out = new ByteBufferOutputStream(1)) {
+                byte[] bytes = new byte[data.capacity() * 2];

Review Comment:
   Could you please remove unnecessary indent?



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