mjsax commented on code in PR #21762:
URL: https://github.com/apache/kafka/pull/21762#discussion_r2937248161
##########
streams/src/main/java/org/apache/kafka/streams/state/internals/Utils.java:
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@@ -27,6 +27,23 @@
import java.nio.ByteBuffer;
public class Utils {
+ /**
+ * Create a new ByteBuffer to store {@code bufferSize} bytes, after a
var-length encoded prefix.
+ */
+ static ByteBuffer prepareByteBufferWithSizePrefix(final int prefix, final
int bufferSize) {
+ final ByteBuffer varLengthBuffer = ByteBuffer.allocate(5); // 5 bytes
for max varint encoding
+ ByteUtils.writeVarint(prefix, varLengthBuffer);
Review Comment:
Oh. I missed that we have `sizeOfVarint` -- I was actually considering to
maybe add such a helper -- this simplifies things quite a bit.
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