diff --git a/data_substrate b/data_substrate
index 83d4162f..2e894d9b 160000
--- a/data_substrate
+++ b/data_substrate
@@ -1 +1 @@
-Subproject commit 83d4162f7ce3164f8e26eb5e010712a2c7fa42fd
+Subproject commit 2e894d9b95ab1e6d8f10b88e3fa84d5a14f6ab7a
diff --git a/src/redis_service.cpp b/src/redis_service.cpp
index 5bda56f7..f109f90c 100644
--- a/src/redis_service.cpp
+++ b/src/redis_service.cpp
@@ -743,7 +743,10 @@ bool RedisServiceImpl::Start(brpc::Server &brpc_server)
         redis_cmd_current_rounds_.resize(core_num_);
         for (auto &vec : redis_cmd_current_rounds_)
         {
-            vec.resize(command_types.size() + 10, 1);
+            // Indexed by RedisCommandType, whose values are pinned with gaps
+            // (optional commands occupy 176-186), so size by the enum range
+            // rather than the number of registered commands.
+            vec.resize(256, 1);
         }
 
         // The metrics registry and redis_meter are already created by