[jira] [Commented] (FLINK-9326) TaskManagerOptions.NUM_TASK_SLOTS does not work for local/embedded mode

["Samuel Doyle (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-9326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16469326#comment-16469326 ] 

Samuel Doyle commented on FLINK-9326:
-------------------------------------

I'm guessing this is because it appears whatever number of slots that was set in the configuration is later overridden ?

In the *LocalStreamEnvironment* *execute* method
{code:java}
...

// add (and override) the settings with what the user defined
configuration.addAll(this.configuration);

if (!configuration.contains(RestOptions.PORT)) {
   configuration.setInteger(RestOptions.PORT, 0);
}

MiniClusterConfiguration cfg = new MiniClusterConfiguration.Builder()
   .setConfiguration(configuration)
   .setNumSlotsPerTaskManager(jobGraph.getMaximumParallelism()) // <-- HERE overrides the slots
   .build();
...{code}

> TaskManagerOptions.NUM_TASK_SLOTS does not work for local/embedded mode
> -----------------------------------------------------------------------
>
>                 Key: FLINK-9326
>                 URL: https://issues.apache.org/jira/browse/FLINK-9326
>             Project: Flink
>          Issue Type: Bug
>          Components: Core
>    Affects Versions: 1.5.0
>         Environment: Linux 64bit
> Flink branch release-1.5
>            Reporter: Samuel Doyle
>            Priority: Major
>
> When attempting to set the number of task slots via the api such ash
> {code:java}
> configuration = new Configuration();
> configuration.setInteger(TaskManagerOptions.NUM_TASK_SLOTS, 16);
> configuration.setInteger(CoreOptions.DEFAULT_PARALLELISM, 1);
> {code}
> I will always end up with the default slot setting based on the number of cores I have where my standalone instance is running, it doesn't matter what I set the the NUM_TASK_SLOTS to, it has no effect



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