[jira] [Updated] (SPARK-2722) Mechanism for escaping spark configs is not consistent

["Patrick Wendell (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SPARK-2722?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Patrick Wendell updated SPARK-2722:
-----------------------------------
    Fix Version/s:     (was: 1.2.0)
                   1.3.0

> Mechanism for escaping spark configs is not consistent
> ------------------------------------------------------
>
>                 Key: SPARK-2722
>                 URL: https://issues.apache.org/jira/browse/SPARK-2722
>             Project: Spark
>          Issue Type: Bug
>    Affects Versions: 1.0.1
>            Reporter: Andrew Or
>            Priority: Minor
>             Fix For: 1.3.0
>
>
> Currently, you can specify a spark config in spark-defaults.conf as follows:
> {code}
> spark.magic "Mr. Johnson"
> {code}
> and this will preserve the double quotes as part of the string. Naturally, if you want to do the equivalent in spark.*.extraJavaOptions, you would use the following:
> {code}
> spark.executor.extraJavaOptions "-Dmagic=\"Mr. Johnson\""
> {code}
> However, this fails because the backslashes go away and it tries to interpret "Johnson" as the main class argument. Instead, you have to do the following:
> {code}
> spark.executor.extraJavaOptions "-Dmagic=\\\"Mr. Johnson\\\""
> {code}
> which is not super intuitive.
> Note that this only applies to standalone mode. In YARN it's not even possible to use quoted strings in config values (SPARK-2718).



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