yangzhg commented on code in PR #13147:
URL: https://github.com/apache/doris/pull/13147#discussion_r999029287
##########
fe/fe-core/src/main/java/org/apache/doris/common/Config.java:
##########
@@ -1792,4 +1792,19 @@ public class Config extends ConfigBase {
@ConfField(mutable = false)
public static int statistic_task_scheduler_execution_interval_ms = 60 *
1000;
+
+ /*
+ * mtmv scheduler framework is still under dev, remote this config when it
is graduate.
+ */
+ @ConfField(mutable = true)
+ public static boolean enable_mtmv_scheduler_framework = false;
+
+ @ConfField(mutable = true, masterOnly = true)
+ public static int running_mtmv_scheduler_task_size = 1000;
+
+ @ConfField(mutable = true, masterOnly = true)
+ public static int pending_mtmv_scheduler_task_size = 1000;
Review Comment:
```suggestion
public static int max_pending_mtmv_scheduler_task_num = 100;
```
##########
fe/fe-core/src/main/java/org/apache/doris/mtmv/metadata/ChangeMtmvTask.java:
##########
@@ -0,0 +1,133 @@
+// 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.
+
+package org.apache.doris.mtmv.metadata;
+
+import org.apache.doris.common.io.Text;
+import org.apache.doris.common.io.Writable;
+import org.apache.doris.mtmv.MtmvUtils.TaskState;
+import org.apache.doris.persist.gson.GsonUtils;
+
+import com.google.gson.annotations.SerializedName;
+
+import java.io.DataInput;
+import java.io.DataOutput;
+import java.io.IOException;
+
+public class ChangeMtmvTask implements Writable {
Review Comment:
```suggestion
public class AlterMtmvTask implements Writable {
```
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