Thank you ver much, Tathagata!

El miércoles, 22 de abril de 2015, Tathagata Das <t...@databricks.com>
escribió:

> Aaah, that. That is probably a limitation of the SQLContext (cc'ing Yin
> for more information).
>
>
> On Wed, Apr 22, 2015 at 7:07 AM, Sergio Jiménez Barrio <
> drarse.a...@gmail.com
> <javascript:_e(%7B%7D,'cvml','drarse.a...@gmail.com');>> wrote:
>
>> Sorry, this is the error:
>>
>> [error] /home/sergio/Escritorio/hello/streaming.scala:77: Implementation
>> restriction: case classes cannot have more than 22 parameters.
>>
>>
>>
>> 2015-04-22 16:06 GMT+02:00 Sergio Jiménez Barrio <drarse.a...@gmail.com
>> <javascript:_e(%7B%7D,'cvml','drarse.a...@gmail.com');>>:
>>
>>> I tried the solution of the guide, but I exceded the size of case class
>>> Row:
>>>
>>>
>>> 2015-04-22 15:22 GMT+02:00 Tathagata Das <tathagata.das1...@gmail.com
>>> <javascript:_e(%7B%7D,'cvml','tathagata.das1...@gmail.com');>>:
>>>
>>>> Did you checkout the latest streaming programming guide?
>>>>
>>>>
>>>> http://spark.apache.org/docs/latest/streaming-programming-guide.html#dataframe-and-sql-operations
>>>>
>>>> You also need to be aware of that to convert json RDDs to dataframe,
>>>> sqlContext has to make a pass on the data to learn the schema. This will
>>>> fail if a batch has no data. You have to safeguard against that.
>>>>
>>>> On Wed, Apr 22, 2015 at 6:19 AM, ayan guha <guha.a...@gmail.com
>>>> <javascript:_e(%7B%7D,'cvml','guha.a...@gmail.com');>> wrote:
>>>>
>>>>> What about sqlcontext.createDataframe(rdd)?
>>>>> On 22 Apr 2015 23:04, "Sergio Jiménez Barrio" <drarse.a...@gmail.com
>>>>> <javascript:_e(%7B%7D,'cvml','drarse.a...@gmail.com');>> wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> I am using Kafka with Apache Stream to send JSON to Apache Spark:
>>>>>>
>>>>>> val messages = KafkaUtils.createDirectStream[String, String, 
>>>>>> StringDecoder, StringDecoder](ssc, kafkaParams, topicsSet)
>>>>>>
>>>>>> Now, I want parse the DStream created to DataFrame, but I don't know
>>>>>> if Spark 1.3 have some easy way for this. ¿Any suggestion? I can get the
>>>>>> message with:
>>>>>>
>>>>>> val lines = messages.map(_._2)
>>>>>>
>>>>>> Thank u for all. Sergio J.
>>>>>>
>>>>>>
>>>>>>
>>>>
>>>
>>
>

-- 
Atte. Sergio Jiménez

Reply via email to