franz1981 commented on a change in pull request #3048: ARTEMIS-1975 Fixing
LargeMessage encoding for replication
URL: https://github.com/apache/activemq-artemis/pull/3048#discussion_r397639669
##########
File path:
artemis-protocols/artemis-amqp-protocol/src/main/java/org/apache/activemq/artemis/protocol/amqp/broker/AMQPLargeMessage.java
##########
@@ -126,6 +127,20 @@ public void closeLargeMessage() throws Exception {
parsingData = null;
}
+ public synchronized void releaseEncodedBuffer() {
+ if (temporaryBuffer != null && temporaryBuffer.release()) {
+ temporaryBuffer = null;
+ }
+ }
+
+ public synchronized ByteBuf getSavedEncodeBuffer() {
+ if (temporaryBuffer == null) {
+ temporaryBuffer =
PooledByteBufAllocator.DEFAULT.buffer(getEstimateSavedEncode());
+ saveEncoding(temporaryBuffer);
+ }
+ return temporaryBuffer.retain();
Review comment:
retain is a costly operation, is it necessary? Or we just document that the
saved encode buffer cannot be conserved but just immediately used?
I would document it anyway ( eg retainedSavedEncodeBuffer) to save a user to
forget to release it and cause memory leaks
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