OneSizeFitsQuorum commented on code in PR #12463:
URL: https://github.com/apache/iotdb/pull/12463#discussion_r1604251595


##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/protocol/thrift/impl/DataNodeInternalRPCServiceImpl.java:
##########
@@ -2154,10 +2155,21 @@ private TSStatus createNewRegionPeer(ConsensusGroupId 
regionId, List<Peer> peers
         regionId);
     TSStatus status = new 
TSStatus(TSStatusCode.SUCCESS_STATUS.getStatusCode());
     try {
+
       if (regionId instanceof DataRegionId) {
-        DataRegionConsensusImpl.getInstance().createLocalPeer(regionId, peers);
+        // RatisConsensus requires an empty peer list during region transition
+        final List<Peer> createPeers =
+            DataRegionConsensusImpl.getInstance() instanceof RatisConsensus

Review Comment:
   use config to judge



##########
iotdb-core/consensus/src/main/java/org/apache/iotdb/consensus/ratis/RatisConsensus.java:
##########
@@ -107,7 +107,7 @@
 import java.util.stream.Collectors;
 
 /** A multi-raft consensus implementation based on Apache Ratis. */
-class RatisConsensus implements IConsensus {
+public class RatisConsensus implements IConsensus {

Review Comment:
   do not modify this



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