For your jsons, can you tell us what is your benchmark when running on a
single machine using just plain Java (without Spark and Spark sql)?

Regards
Sab
On 28-Aug-2015 7:29 am, "Gavin Yue" <[email protected]> wrote:

> Hey
>
> I am using the Json4s-Jackson parser coming with spark and parsing roughly
> 80m records with totally size 900mb.
>
> But the speed is slow.  It took my 50 nodes(16cores cpu,100gb mem) roughly
> 30mins to parse Json to use spark sql.
>
> Jackson has the benchmark saying parsing should be ms level.
>
> Any way to increase speed?
>
> I am using spark 1.4 on Hadoop 2.7 with Java 8.
>
> Thanks a lot !
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