Allen:
Since you mentioned scheduling, I assume you were talking about node label 
support in YARN. 
If that is the case, can you give us some more information:
How node labels are setup in YARN cluster
How you specified node labels in application
Hadoop and Spark releases you are using

Cheers

> On Dec 16, 2015, at 1:00 AM, Chang Ya-Hsuan <sumti...@gmail.com> wrote:
> 
> are you trying to do dataframe boolean expression?
> please use '&' for 'and', '|' for 'or', '~' for 'not' when building DataFrame 
> boolean expressions.
> 
> example:
> 
> >>> df = sqlContext.range(10)
> >>> df.where( (df.id==1) | ~(df.id==1))
> DataFrame[id: bigint]
> 
> 
>> On Wed, Dec 16, 2015 at 4:32 PM, Allen Zhang <allenzhang...@126.com> wrote:
>> Hi All,
>> 
>> does spark label expression really support "&&" or "||" or even "!" for 
>> label based schedulering?
>> I tried that but it does NOT work.
>> 
>> Best Regards,
>> Allen
> 
> 
> 
> -- 
> -- 張雅軒

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