clebertsuconic commented on code in PR #6323:
URL: https://github.com/apache/artemis/pull/6323#discussion_r3080877848


##########
artemis-protocols/artemis-amqp-protocol/src/main/java/org/apache/activemq/artemis/protocol/amqp/broker/AMQPMessage.java:
##########
@@ -1220,13 +1233,18 @@ public final Object getDuplicateProperty() {
 
    @Override
    public boolean isDurable() {
-      if (header != null && header .getDurable() != null) {
-         return header.getDurable();
-      } else {
-         // if header == null and scanningStatus=RELOAD_PERSISTENCE, it means 
the message can only be durable
-         // even though the parsing hasn't happened yet
-         return getDataScanningStatus() == 
MessageDataScanningStatus.RELOAD_PERSISTENCE;
+      if (this.durable == VALUE_NOT_PRESENT) {
+         if (header != null && header.getDurable() != null) {
+            this.durable = header.getDurable() ? (byte)1 : (byte)0;

Review Comment:
   It's calling the reload now. if you think it makes it more readable.. sure



##########
artemis-protocols/artemis-amqp-protocol/src/main/java/org/apache/activemq/artemis/protocol/amqp/broker/AMQPStandardMessage.java:
##########
@@ -191,20 +187,27 @@ protected ReadableBuffer getData() {
 
    @Override
    public synchronized int getMemoryEstimate() {
-      if (memoryEstimate == -1) {
-         if (isPaged) {
-            // When the message is paged, we don't take the unmarshalled 
application properties because it could be
-            // updated at different places. We just keep the estimate simple 
when paging.
-            memoryEstimate = memoryOffset + (data != null ? data.capacity() : 
0);
-         } else {
-            memoryEstimate = memoryOffset + (data != null ? data.capacity() + 
unmarshalledApplicationPropertiesMemoryEstimateFromData(data) : 0);
-         }
-         originalEstimate = memoryEstimate;
+      if (memoryEstimate == VALUE_NOT_PRESENT) {
+         // This estimation was tested and validated through AMQPGlobalMaxTest 
on soak-tests
+         memoryEstimate = MINIMUM_ESTIMATE + (data != null ? data.capacity() + 
getApplicationPropertiesEncodingSize(data) * 2 + 
getApplicationPropertiesCount() * DataConstants.SIZE_INT : 0);
       }
 
       return memoryEstimate;
    }
 
+   private int getApplicationPropertiesEncodingSize(ReadableBuffer data) {
+      ensureScanning();
+
+      // ensureScanning will make sure we know the positions, and we will 
return the encoding used based on those positions
+      if (remainingBodyPosition != VALUE_NOT_PRESENT) {
+         return remainingBodyPosition - applicationPropertiesPosition;

Review Comment:
   yeah.. you're right..
   
   
   I added a new commit (to be squashed) address your comments here. if you 
could please let me know when I can squash it.. (dunno if you prefer it to be 
separate to make it easier the review).



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