vongosling commented on a change in pull request #2335:
URL: https://github.com/apache/rocketmq/pull/2335#discussion_r502384232



##########
File path: 
store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
##########
@@ -392,15 +392,15 @@ private PutMessageStatus checkStoreStatus() {
         if (BrokerRole.SLAVE == this.messageStoreConfig.getBrokerRole()) {
             long value = this.printTimes.getAndIncrement();
             if ((value % 50000) == 0) {
-                log.warn("message store has shutdown, so putMessage is 
forbidden");
+                log.warn("broke role is slave, so putMessage is forbidden");
             }
             return PutMessageStatus.SERVICE_NOT_AVAILABLE;
         }
 
         if (!this.runningFlags.isWriteable()) {
             long value = this.printTimes.getAndIncrement();
             if ((value % 50000) == 0) {
-                log.warn("message store has shutdown, so putMessage is 
forbidden");
+                log.warn("message store could not write (may be disk full) so 
putMessage is forbidden");

Review comment:
       IMO, maybe is not a strict customer advice

##########
File path: 
broker/src/main/java/org/apache/rocketmq/broker/processor/ReplyMessageProcessor.java
##########
@@ -263,7 +263,7 @@ private void handlePutMessageResult(PutMessageResult 
putMessageResult,
                 break;
             case SERVICE_NOT_AVAILABLE:
                 log.info(
-                    "service not available now, maybe disk full, maybe your 
broker machine memory too small.");
+                    "service not available now, maybe disk full, maybe put 
messages to slave, maybe message store shutdown, etc.");

Review comment:
       Too many uncertain reasons can drive people crazy. You are advised to 
change them to “you could check...” if not any diagnosis could be provided 
furtherly.
   
   

##########
File path: 
store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
##########
@@ -392,15 +392,15 @@ private PutMessageStatus checkStoreStatus() {
         if (BrokerRole.SLAVE == this.messageStoreConfig.getBrokerRole()) {
             long value = this.printTimes.getAndIncrement();
             if ((value % 50000) == 0) {
-                log.warn("message store has shutdown, so putMessage is 
forbidden");
+                log.warn("broke role is slave, so putMessage is forbidden");
             }
             return PutMessageStatus.SERVICE_NOT_AVAILABLE;
         }
 
         if (!this.runningFlags.isWriteable()) {
             long value = this.printTimes.getAndIncrement();
             if ((value % 50000) == 0) {
-                log.warn("message store has shutdown, so putMessage is 
forbidden");
+                log.warn("message store could not write (may be disk full) so 
putMessage is forbidden");

Review comment:
       IMO, maybe is not a strict customer advice.




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