[GitHub] [incubator-doris] ZhangYu0123 commented on a change in pull request #4423: [Api][Config] Increase the config verification function in config update api.

[GitBox <gi...@apache.org>]

ZhangYu0123 commented on a change in pull request #4423:
URL: https://github.com/apache/incubator-doris/pull/4423#discussion_r477908651



##########
File path: be/src/common/config_update_func.h
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@@ -0,0 +1,89 @@
+// Licensed to the Apache Software Foundation (ASF) under one
+// or more contributor license agreements.  See the NOTICE file
+// distributed with this work for additional information
+// regarding copyright ownership.  The ASF licenses this file
+// to you under the Apache License, Version 2.0 (the
+// "License"); you may not use this file except in compliance
+// with the License.  You may obtain a copy of the License at
+//
+//   http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing,
+// software distributed under the License is distributed on an
+// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+// KIND, either express or implied.  See the License for the
+// specific language governing permissions and limitations
+// under the License.
+
+#ifndef DORIS_BE_SRC_COMMON_CONFIG_UPDATE_FUNC_H
+#define DORIS_BE_SRC_COMMON_CONFIG_UPDATE_FUNC_H
+
+#include "common/status.h"
+#include "configbase.h"
+#include "common/config.h"
+#include "gutil/strings/substitute.h"
+
+namespace doris {
+class Status;
+
+namespace config {
+
+/// regist update check function of config `cumulative_size_based_promotion_size_mbytes`
+/// first, check `cumulative_size_based_promotion_size_mbytes` is greater than or equals 
+/// `cumulative_size_based_promotion_min_size_mbytes`
+/// second, check `cumulative_size_based_promotion_size_mbytes` is greater than or equals 
+/// 2 * `cumulative_size_based_compaction_lower_size_mbytes`
+CONF_Update_Check(cumulative_size_based_promotion_size_mbytes, [](void* config) {

Review comment:
       Configs have been checked.
   




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