[GitHub] [pulsar] codelipenghui commented on a change in pull request #7416: Decompression payload if needed in KeyShared subscription

[GitBox]

codelipenghui commented on a change in pull request #7416:
URL: https://github.com/apache/pulsar/pull/7416#discussion_r448363006



##########
File path: 
pulsar-broker/src/main/java/org/apache/pulsar/broker/service/AbstractBaseDispatcher.java
##########
@@ -153,13 +155,18 @@ public void resetCloseFuture() {
         PulsarApi.MessageMetadata metadata = 
Commands.parseMessageMetadata(metadataAndPayload);
 
         try {
-            if (metadata.hasNumMessagesInBatch()) {
+            if (!metadata.hasOrderingKey() && !metadata.hasPartitionKey() && 
metadata.hasNumMessagesInBatch()) {
                 // If the message was part of a batch (eg: a batch of 1 
message), we need
                 // to read the key from the first single-message-metadata entry
+                PulsarApi.CompressionType compressionType = 
metadata.getCompression();
+                CompressionCodec codec = 
CompressionCodecProvider.getCompressionCodec(compressionType);

Review comment:
       Make sense, so it's better to revert #7107 and other lang clients should 
attach the routing key on the message metadata.




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