franz1981 commented on code in PR #12163:
URL: https://github.com/apache/kafka/pull/12163#discussion_r900172822
##########
clients/src/main/java/org/apache/kafka/common/utils/Checksums.java:
##########
@@ -30,21 +36,74 @@
*/
public final class Checksums {
+ private static final Logger LOGGER =
LoggerFactory.getLogger(Checksums.class);
+ private static final MethodHandle BYTE_BUFFER_UPDATE;
+
+ static {
+ MethodHandle byteBufferUpdate = null;
+ if (Java.IS_JAVA9_COMPATIBLE) {
+ try {
+ byteBufferUpdate =
MethodHandles.publicLookup().findVirtual(Checksum.class, "update",
MethodType.methodType(void.class, ByteBuffer.class));
+ } catch (Throwable t) {
+ LOGGER.warn("Cannot uses
java.util.zip.Checksum::update(ByteBuffer): direct ByteBuffers checksum won't
use optimized platform support", t);
Review Comment:
Yep, it means a that you won't get an optimized version of such method
because of <some cause> : if it's not ok I can happily change it into a runtime
(fatal?) ex
--
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
