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https://issues.apache.org/jira/browse/KYLIN-4485?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17124608#comment-17124608
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ASF GitHub Bot commented on KYLIN-4485:
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zzcclp commented on a change in pull request #1218:
URL: https://github.com/apache/kylin/pull/1218#discussion_r434315927
##########
File path: core-common/src/main/java/org/apache/kylin/common/KConstants.java
##########
@@ -0,0 +1,23 @@
+/*
+ * 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
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+ * 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.kylin.common;
+
+public class KConstants {
Review comment:
please remove 'KConstants' class, it's not used.
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> Create a self service interface for cube migration
> --------------------------------------------------
>
> Key: KYLIN-4485
> URL: https://issues.apache.org/jira/browse/KYLIN-4485
> Project: Kylin
> Issue Type: New Feature
> Components: Tools, Build and Test
> Reporter: Zhong Yanghong
> Assignee: Zhong Yanghong
> Priority: Major
> Fix For: v3.1.0
>
> Attachments: cube-migration-new.png, cube-migration-old.png
>
>
> Current cube migration process is as follows:
> !cube-migration-old.png!
> There're a few drawbacks:
> * kylin admin has to manually check all related aspects to decide whether a
> cube is good for migration. If cube design is not good, there'll be many
> interaction between users & kylin admins
> * kylin admin has to login to the backend server and then run a command to
> do the migration, which is tricky and easy to make mistakes
> * there's little compatibility check between source metadata & destination
> cluster.
> A self service interface will refine the migration process as follows:
> !cube-migration-new.png!
> We can see with the new migration process, there'll be few interactions
> between users & kylin admins and much less work for kylin admins.
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