close dispatch_req temporally

src/share/parameter/ob_parameter_seed.ipp

@@ -1336,7 +1336,7 @@ DEF_INT(sql_net_thread_count, OB_CLUSTER_PARAMETER, "0", "[0,64]",
         "the number of global mysql I/O threads. Range: [0, 64] in integer, "
         "default value is 0, 0 stands for old value GCONF.net_thread_count",
         ObParameterAttr(Section::OBSERVER, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
-DEF_BOOL(_enable_tenant_sql_net_thread, OB_CLUSTER_PARAMETER, "True",
+DEF_BOOL(_enable_tenant_sql_net_thread, OB_CLUSTER_PARAMETER, "False",
         "Dispatch mysql request to each tenant with True, or disable with False",
         ObParameterAttr(Section::OBSERVER, Source::DEFAULT, EditLevel::DYNAMIC_EFFECTIVE));
 #ifndef ENABLE_SANITY