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https://issues.apache.org/jira/browse/FLINK-3551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15836690#comment-15836690
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ASF GitHub Bot commented on FLINK-3551:
---------------------------------------
Github user fhueske commented on a diff in the pull request:
https://github.com/apache/flink/pull/2761#discussion_r97654855
--- Diff:
flink-examples/flink-examples-streaming/src/test/java/org/apache/flink/streaming/test/exampleScalaPrograms/iteration/IterateExampleITCase.java
---
@@ -0,0 +1,49 @@
+/*
+ * 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.test.exampleScalaPrograms.iteration;
+
+import org.apache.flink.streaming.scala.examples.iteration.IterateExample;
+import
org.apache.flink.streaming.examples.iteration.util.IterateExampleData;
+import org.apache.flink.streaming.util.StreamingProgramTestBase;
+
+public class IterateExampleITCase extends StreamingProgramTestBase {
--- End diff --
ITCases extending `StreamingProgramTestBase` are very expensive because
they internally start a Flink minicluster which takes a significant amount of
time, usually much more than the actual test.
The class `StreamingMultipleProgramsTestBase` allows to reuse the
minicluster across several tests.
I would suggest to port all existing example tests (Java and Scala) into a
single ITCase which extends `StreamingMultipleProgramsTestBase`. This should
reduce Flink's build time.
> Sync Scala and Java Streaming Examples
> --------------------------------------
>
> Key: FLINK-3551
> URL: https://issues.apache.org/jira/browse/FLINK-3551
> Project: Flink
> Issue Type: Sub-task
> Components: Examples
> Affects Versions: 1.0.0
> Reporter: Stephan Ewen
> Assignee: Lim Chee Hau
>
> The Scala Examples lack behind the Java Examples
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