xdkxlk commented on code in PR #5611:
URL: https://github.com/apache/rocketmq/pull/5611#discussion_r1040632785
##########
broker/src/main/java/org/apache/rocketmq/broker/processor/PopMessageProcessor.java:
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@@ -586,9 +587,37 @@ private long popMsgFromQueue(boolean isRetry,
GetMessageResult getMessageResult,
} finally {
queueLockManager.unLock(lockKey);
}
+
if (getMessageTmpResult != null) {
+ String brokerName =
brokerController.getBrokerConfig().getBrokerName();
for (SelectMappedBufferResult mapedBuffer :
getMessageTmpResult.getMessageMapedList()) {
- getMessageResult.addMessage(mapedBuffer);
+ // We should not recode buffer for normal topic message
+ if (!isRetry) {
+ getMessageResult.addMessage(mapedBuffer);
+ } else {
+ List<MessageExt> messageExtList =
MessageDecoder.decodesBatch(mapedBuffer.getByteBuffer(),
+ true, false, true);
+ mapedBuffer.release();
+ for (MessageExt messageExt : messageExtList) {
+ try {
+ String ckInfo =
ExtraInfoUtil.buildExtraInfo(offset, popTime, requestHeader.getInvisibleTime(),
+ reviveQid, messageExt.getTopic(), brokerName,
messageExt.getQueueId(), messageExt.getQueueOffset());
+
messageExt.getProperties().putIfAbsent(MessageConst.PROPERTY_POP_CK, ckInfo);
+
+ // Set retry message topic to origin topic and
clear message store size to recode
+ messageExt.setTopic(requestHeader.getTopic());
+ messageExt.setStoreSize(0);
+
+ byte[] encode = MessageDecoder.encode(messageExt,
true);
Review Comment:
message is not been decompressed at
MessageDecoder.decodesBatch(mapedBuffer.getByteBuffer(),true, false, true)
and will be compressed here
which means, messages will be compressed twice
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