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https://issues.apache.org/jira/browse/FLINK-8978?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16461223#comment-16461223
]
ASF GitHub Bot commented on FLINK-8978:
---------------------------------------
Github user StefanRRichter commented on a diff in the pull request:
https://github.com/apache/flink/pull/5947#discussion_r185537151
--- Diff:
flink-end-to-end-tests/flink-stream-stateful-job-upgrade-test/src/main/java/org/apache/flink/streaming/tests/StatefulStreamJobUpgradeTestProgram.java
---
@@ -0,0 +1,128 @@
+/*
+ * 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.flink.streaming.tests;
+
+import org.apache.flink.api.common.functions.JoinFunction;
+import org.apache.flink.api.common.functions.MapFunction;
+import org.apache.flink.api.common.typeutils.TypeSerializer;
+import org.apache.flink.api.java.typeutils.runtime.kryo.KryoSerializer;
+import org.apache.flink.api.java.utils.ParameterTool;
+import org.apache.flink.configuration.ConfigOption;
+import org.apache.flink.configuration.ConfigOptions;
+import org.apache.flink.streaming.api.datastream.KeyedStream;
+import
org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
+import org.apache.flink.streaming.api.functions.sink.PrintSinkFunction;
+import
org.apache.flink.streaming.tests.artificialstate.eventpayload.ComplexPayload;
+
+import static
org.apache.flink.streaming.tests.DataStreamAllroundTestJobFactory.createArtificialKeyedStateMapper;
+import static
org.apache.flink.streaming.tests.DataStreamAllroundTestJobFactory.createEventSource;
+import static
org.apache.flink.streaming.tests.DataStreamAllroundTestJobFactory.createSemanticsCheckMapper;
+import static
org.apache.flink.streaming.tests.DataStreamAllroundTestJobFactory.createTimestampExtractor;
+import static
org.apache.flink.streaming.tests.DataStreamAllroundTestJobFactory.setupEnvironment;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * Test upgrade of generic stateful job for Flink's DataStream API
operators and primitives.
+ *
+ * <p>The job is constructed of generic components from {@link
DataStreamAllroundTestJobFactory}.
+ * The gaol is to test successful state restoration after taking savepoint
and recovery with new job version.
--- End diff --
typo `gaol`
> End-to-end test: Job upgrade
> ----------------------------
>
> Key: FLINK-8978
> URL: https://issues.apache.org/jira/browse/FLINK-8978
> Project: Flink
> Issue Type: Sub-task
> Components: Tests
> Affects Versions: 1.5.0
> Reporter: Till Rohrmann
> Assignee: Andrey Zagrebin
> Priority: Blocker
> Fix For: 1.6.0, 1.5.1
>
>
> Job upgrades usually happen during the lifetime of a real world Flink job.
> Therefore, we should add an end-to-end test which exactly covers this
> scenario. I suggest to do the follwoing:
> # run the general purpose testing job FLINK-8971
> # take a savepoint
> # Modify the job by introducing a new operator and changing the order of
> others
> # Resume the modified job from the savepoint
> # Verify that everything went correctly
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