This is the SPARK JIRA which introduced the warning:

[SPARK-7037] [CORE] Inconsistent behavior for non-spark config properties
in spark-shell and spark-submit

On Fri, Jun 12, 2015 at 4:34 PM, Peng Cheng <[email protected]> wrote:

> Hi Andrew,
>
> Thanks a lot! Indeed, it doesn't start with spark, the following
> properties are read by implementation of the driver rather than spark conf:
>
> --conf spooky.root=s3n://spooky- \
> --conf spooky.checkpoint=s3://spooky-checkpoint \
>
> This used to work from Spark 1.0.0 to 1.3.1. Do you know the new way to
> set the same properties?
>
> Yours Peng
>
> On 12 June 2015 at 14:20, Andrew Or <[email protected]> wrote:
>
>> Hi Peng,
>>
>> Setting properties through --conf should still work in Spark 1.4. From
>> the warning it looks like the config you are trying to set does not start
>> with the prefix "spark.". What is the config that you are trying to set?
>>
>> -Andrew
>>
>> 2015-06-12 11:17 GMT-07:00 Peng Cheng <[email protected]>:
>>
>>> In Spark <1.3.x, the system property of the driver can be set by --conf
>>> option, shared between setting spark properties and system properties.
>>>
>>> In Spark 1.4.0 this feature is removed, the driver instead log the
>>> following
>>> warning:
>>>
>>> Warning: Ignoring non-spark config property: xxx.xxx=vvvvv
>>>
>>> How do set driver's system property in 1.4.0? Is there a reason it is
>>> removed without a deprecation warning?
>>>
>>> Thanks a lot for your advices.
>>>
>>>
>>>
>>> --
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>>>
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>>
>

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