PragmaTwice commented on code in PR #3075:
URL: https://github.com/apache/kvrocks/pull/3075#discussion_r2244397849


##########
src/cluster/replication.cc:
##########
@@ -654,11 +678,18 @@ ReplicationThread::CBState 
ReplicationThread::incrementBatchLoopCB(bufferevent *
           // master would send the ping heartbeat packet to check whether the 
slave was alive or not,
           // don't write ping to db here.
           if (data_written) {
-            sendReplConfAck(bev);
+            sendReplConfAck(bev, force_ack);
           }
           return CBState::AGAIN;
         }
 
+        if (bulk_string == "_getack") {
+          // master would send the _getack command to the master to get 
acknowledgment
+          // don't write _getack to db here.
+          force_ack = true;

Review Comment:
   Good to me.



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