Re: dataframe slow down with tungsten turn on

Yes, the same code, the same result. In fact, the code has been running for a more one month. Before 1.5.0, the performance is quite the same, So I doubt that it is causd by tungsten. Gen On Wed, Nov 4, 2015 at 4:05 PM, Rick Moritz wrote: > Something to check (just in case):

Re: dataframe slow down with tungsten turn on

Something to check (just in case): Are you getting identical results each time? On Wed, Nov 4, 2015 at 8:54 AM, gen tang wrote: > Hi sparkers, > > I am using dataframe to do some large ETL jobs. > More precisely, I create dataframe from HIVE table and do some operations. >

dataframe slow down with tungsten turn on

Hi sparkers, I am using dataframe to do some large ETL jobs. More precisely, I create dataframe from HIVE table and do some operations. And then I save it as json. When I used spark-1.4.1, the whole process is quite fast, about 1 mins. However, when I use the same code with spark-1.5.1(with