JackieTien97 commented on code in PR #18228:
URL: https://github.com/apache/iotdb/pull/18228#discussion_r3594562829


##########
iotdb-protocol/thrift-confignode/src/main/thrift/confignode.thrift:
##########
@@ -129,6 +129,7 @@ struct TRuntimeConfiguration {
   10: optional bool enableSeparationOfAdminPowers
   // use 'optional' here to support rolling upgrade
   11: optional list<common.TExternalServiceEntry> allUserDefinedServiceInfo
+  12: required i64 fenceThresholdMs

Review Comment:
   ```suggestion
     12: optional i64 fenceThresholdMs
   ```



##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/table/DataNodeTableCache.java:
##########
@@ -158,6 +158,13 @@ public void reloadTableCacheAfterLeaseRecovery() {
       if (resp.isSetTableInfo()) {
         init(resp.getTableInfo());
       }
+      if (!resp.isSetFenceThresholdMs()) {
+        throw new 
RuntimeException(DataNodeSchemaMessages.FAILED_TO_GET_FENCE_THRESHOLD_FROM_CN);
+      }

Review Comment:
   I don't understand why we need to reupdate fence threshold here? as 
discussed before, I think we need to update through heartbeat?



##########
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/schemaengine/table/DataNodeTableCache.java:
##########
@@ -158,6 +158,13 @@ public void reloadTableCacheAfterLeaseRecovery() {
       if (resp.isSetTableInfo()) {
         init(resp.getTableInfo());
       }
+      if (!resp.isSetFenceThresholdMs()) {

Review Comment:
   if you think this must be included, you can set that as required instead of 
optional



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