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From zjureel <...@git.apache.org>
Subject [GitHub] flink pull request #4075: [FLINK-6494] Migrate ResourceManager/Yarn/Mesos co...
Date Wed, 21 Jun 2017 08:13:04 GMT
Github user zjureel commented on a diff in the pull request:

    https://github.com/apache/flink/pull/4075#discussion_r123180174
  
    --- Diff: flink-yarn/src/main/java/org/apache/flink/yarn/configuration/YarnConfigOptions.java
---
    @@ -52,7 +52,74 @@
     		key("yarn.per-job-cluster.include-user-jar")
     			.defaultValue("ORDER");
     
    +	/**
    +	 * The vcores exposed by YARN.
    +	 */
    +	public static final ConfigOption<Integer> YARN_VCORES =
    +		key("yarn.containers.vcores")
    +		.defaultValue(Integer.MAX_VALUE);
    --- End diff --
    
    I determine this default by test case, sorry :( 
    In fact I want to use `noDefaultValue()` here, but I find this method can be used for
`String` only, and there's no `getInteger(ConfigOption<Integer> option, int overrideDefault)`
in `Configuration`.
    
    I think it may be better to add `public ConfigOption<T> noDefaultValue()` in `ConfigOptions`
and add `public int getString(ConfigOption<Integer> configOption, int overrideDefault)`
in `Configuration` . What do you think? THX :)


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