spark-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Ruslan Dautkhanov <dautkha...@gmail.com>
Subject Re: Caching in spark
Date Sun, 12 Jul 2015 18:07:34 GMT
Hi Akhil,

It's interesting if RDDs are stored internally in a columnar format as well?
Or it is only when an RDD is cached in SQL context, it is converted to
columnar format.
What about data frames?

Thanks!


-- 
Ruslan Dautkhanov

On Fri, Jul 10, 2015 at 2:07 AM, Akhil Das <akhil@sigmoidanalytics.com>
wrote:

>
> https://spark.apache.org/docs/latest/sql-programming-guide.html#caching-data-in-memory
>
> Thanks
> Best Regards
>
> On Fri, Jul 10, 2015 at 10:05 AM, vinod kumar <vinodsachin006@gmail.com>
> wrote:
>
>> Hi Guys,
>>
>> Can any one please share me how to use caching feature of spark via spark
>> sql queries?
>>
>> -Vinod
>>
>
>

Mime
View raw message