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Posted to issues@flink.apache.org by greghogan <gi...@git.apache.org> on 2016/04/04 17:26:55 UTC

[GitHub] flink pull request: [FLINK-3589] Allow setting Operator parallelis...

Github user greghogan commented on a diff in the pull request:

    https://github.com/apache/flink/pull/1778#discussion_r58394697
  
    --- Diff: flink-core/src/main/java/org/apache/flink/api/common/ExecutionConfig.java ---
    @@ -64,10 +64,15 @@
     
     	/**
     	 * The constant to use for the parallelism, if the system should use the number
    -	 *  of currently available slots.
    +	 * of currently available slots.
     	 */
     	public static final int PARALLELISM_AUTO_MAX = Integer.MAX_VALUE;
     
    +	/**
    +	 * The flag value indicating an unknown or unset parallelism.
    +	 */
    +	public static final int PARALLELISM_UNKNOWN = -1;
    --- End diff --
    
    The parallelism may be overridden elsewhere and we are not resetting it back to the default. This flag simply indicates a value for which the parallelism will not be overridden.


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