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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-11048) Ability to programmatically execute streaming pipeline with savepoint restore
Date Thu, 06 Dec 2018 15:34:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-11048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16711596#comment-16711596

ASF GitHub Bot commented on FLINK-11048:

zentol commented on a change in pull request #7249: [FLINK-11048] Ability to programmatically
execute streaming pipeline with savepoint restore
URL: https://github.com/apache/flink/pull/7249#discussion_r239497531

 File path: flink-streaming-java/src/main/java/org/apache/flink/streaming/api/environment/RemoteStreamEnvironment.java
 @@ -169,39 +170,46 @@ public RemoteStreamEnvironment(String host, int port, Configuration
-	@Override
-	public JobExecutionResult execute(String jobName) throws ProgramInvocationException {
-		StreamGraph streamGraph = getStreamGraph();
-		streamGraph.setJobName(jobName);
-		transformations.clear();
-		return executeRemotely(streamGraph, jarFiles);
+	protected List<URL> getJarFiles() throws ProgramInvocationException {
+		return jarFiles;
 	 * Executes the remote job.
-	 * @param streamGraph
-	 *            Stream Graph to execute
+	 * @param streamExecutionEnvironment
+	 *            Execution Environment with Stream Graph to execute
 	 * @param jarFiles
 	 * 			  List of jar file URLs to ship to the cluster
 	 * @return The result of the job execution, containing elapsed time and accumulators.
-	protected JobExecutionResult executeRemotely(StreamGraph streamGraph, List<URL> jarFiles)
throws ProgramInvocationException {
+	public static JobExecutionResult executeRemotely(StreamExecutionEnvironment streamExecutionEnvironment,
 Review comment:
   Using the environment is the simplest option and hides several internal classes (like the
StreamGraph) that we shouldn't expose to users. Effectively this serves as an extension to
the `RemoteStreamEnvironment` without baking it into a `RemoteStreamEnvironment` instance
itself, which is fair imo.
   IMO any use-case where usage of the StreamGraph is appropriate (for which tbh there are
none as the JobGraph would be a better choice anyway) is already a pretty low-level thing
in which case you can work directly against a ClusterClient.

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> Ability to programmatically execute streaming pipeline with savepoint restore  
> -------------------------------------------------------------------------------
>                 Key: FLINK-11048
>                 URL: https://issues.apache.org/jira/browse/FLINK-11048
>             Project: Flink
>          Issue Type: Improvement
>          Components: DataStream API
>    Affects Versions: 1.7.0
>            Reporter: Thomas Weise
>            Assignee: Thomas Weise
>            Priority: Minor
>              Labels: pull-request-available
> RemoteStreamEnvironment.execute doesn't support restore from savepoint, though the underlying
ClusterClient does. Add an explicit "execute remotely" that can be used by downstream projects.
> [https://lists.apache.org/thread.html/6fff05d4a8444d1c6fa139d63605d51f610caff46605a4cdbb35cd50@%3Cdev.flink.apache.org%3E]

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