setting tenant-level parameters at startup

src/observer/ob_server.cpp

@@ -1523,7 +1523,7 @@ int ObServer::init_config()
 
   config_.print();
 
-  // local_ip is a critical parameter, if if is set, then verify it; otherwise, set it via devname.
+  // local_ip is a critical parameter, if it is set, then verify it; otherwise, set it via devname.
   if (strlen(config_.local_ip) > 0) {
     char if_name[MAX_IFNAME_LENGTH] = { '\0' };
     if (0 != obsys::ObNetUtil::get_ifname_by_addr(config_.local_ip, if_name, sizeof(if_name))) {
@@ -1632,8 +1632,11 @@ int ObServer::init_config()
         LOG_ERROR("config_mgr_ base_init failed", KR(ret));
       } else if (OB_FAIL(config_mgr_.init(sql_proxy_, self_addr_))) {
         LOG_ERROR("config_mgr_ init failed", K_(self_addr), KR(ret));
-      } else if (OB_FAIL(tenant_config_mgr_.init(sql_proxy_, self_addr_, &config_mgr_, update_tenant_config_cb))) {
+      } else if (OB_FAIL(tenant_config_mgr_.init(sql_proxy_, self_addr_,
+                         &config_mgr_, update_tenant_config_cb))) {
         LOG_ERROR("tenant_config_mgr_ init failed", K_(self_addr), KR(ret));
+      } else if (OB_FAIL(tenant_config_mgr_.add_config_to_existing_tenant(opts_.optstr_))) {
+        LOG_ERROR("tenant_config_mgr_ add_config_to_existing_tenant failed", KR(ret));
       }
     }
   }

src/observer/omt/ob_tenant_config_mgr.cpp

@@ -616,6 +616,25 @@ void ObTenantConfigMgr::notify_tenant_config_changed(uint64_t tenant_id)
   update_tenant_config_cb_(tenant_id);
 }
 
+int ObTenantConfigMgr::add_config_to_existing_tenant(const char *config_str)
+{
+  int ret = OB_SUCCESS;
+  DRWLock::WRLockGuard guard(rwlock_);
+  if (!config_map_.empty() && nullptr != config_str) {
+    TenantConfigMap::const_iterator it = config_map_.begin();
+    for (; it != config_map_.end() && OB_SUCC(ret); ++it) {
+      if (OB_NOT_NULL(it->second)) {
+        int64_t version = ObTimeUtility::current_time();
+        if (OB_FAIL(it->second->add_extra_config(config_str, version))) {
+          LOG_WARN("add tenant extra config failed", "tenant_id", it->second->get_tenant_id(),
+                   "config_str", config_str, KR(ret));
+        }
+      }
+    }
+  }
+  return ret;
+}
+
 int ObTenantConfigMgr::add_extra_config(const obrpc::ObTenantConfigArg &arg)
 {
   int ret = OB_SUCCESS;

src/observer/omt/ob_tenant_config_mgr.h

@@ -145,6 +145,7 @@ public:
   int got_version(uint64_t tenant_id, int64_t version, const bool remove_repeat = true);
   int update_local(uint64_t tenant_id, int64_t expected_version);
   void notify_tenant_config_changed(uint64_t tenatn_id);
+  int add_config_to_existing_tenant(const char *config_str);
   int add_extra_config(const obrpc::ObTenantConfigArg &arg);
   int schedule(ObTenantConfig::TenantConfigUpdateTask &task, const int64_t delay);
   int cancel(const ObTenantConfig::TenantConfigUpdateTask &task);

src/share/config/ob_common_config.cpp

@@ -343,7 +343,7 @@ int ObCommonConfig::add_extra_config(const char *config_str,
         } else if (OB_ISNULL(pp_item = container_.get(ObConfigStringKey(name)))) {
           /* make compatible with previous configuration */
           ret = check_name ? OB_INVALID_CONFIG : OB_SUCCESS;
-          LOG_ERROR("Invalid config string, no such config item", K(name), K(value), K(ret));
+          LOG_WARN("Invalid config string, no such config item", K(name), K(value), K(ret));
         } else if (external_kms_info_cfg.case_compare(name) == 0
                    || ssl_external_kms_info_cfg.case_compare(name) == 0) {
           if (OB_FAIL(common::hex_to_cstr(value, value_len,