Hi,I guess you can use 'get_json_object' function

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On Thu, Dec 22, 2016 at 9:52 PM +0800, "Irving Duran" <irving.du...@gmail.com> 
wrote:










Is it an option to parse that field prior of creating the dataframe? If so, 
that's what I would do.
In terms of your master node only working, you have to share more about your 
structure, are you using spark standalone, yarn, or mesos?

Thank You,

Irving Duran

On Thu, Dec 22, 2016 at 1:42 AM, Tal Grynbaum <tal.grynb...@gmail.com> wrote:
Hi, 

I have a dataframe that contain an embedded json string in one of the fieldsI'd 
tried to write a UDF function that will parse it using lift-json, but it seems 
to take a very long time to process, and it seems that only the master node is 
working.
Has anyone dealt with such a scenario before and can give me some hints?
ThanksTal







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