Target java version not set when building spark with tags/v2.4.0-rc2

2018-10-07 Thread Shubham Chaurasia
Hi All, I built spark with *tags/v2.4.0-rc2* using ./build/mvn -DskipTests -Phadoop-2.7 -Dhadoop.version=3.1.0 clean install Now from spark-shell when ever I call any static method residing in an interface, it shows me error like : :28: error: Static methods in interface require -target:jvm-1.8

Re: 答复: Executor hang

2018-10-07 Thread kathleen li
https://jaceklaskowski.gitbooks.io/mastering-spark-sql/spark-sql-whole-stage-codegen.html#spark.sql.codegen.wholeStage Sent from my iPhone > On Oct 7, 2018, at 3:21 PM, 阎志涛 wrote: > > It is not data skewed issue. The executor running more than 8 hours and I > have to kill the executor. I doub

答复: Executor hang

2018-10-07 Thread 阎志涛
It is not data skewed issue. The executor running more than 8 hours and I have to kill the executor. I doubt the problem is caused by Spark codegen but it sound spark.sql.codegen.wholeStage=false can not work. I met another problem with codegen which cause my spark job failed with following stac

Re: Executor hang

2018-10-07 Thread kathleen li
It seemed you had data skewed issue since shuffle read size for executor 4 is almost 2 times than other executors and GC time 11s almost 15 to 20 times than others. Kathleen Sent from my iPhone > On Oct 7, 2018, at 5:24 AM, 阎志涛 wrote: > > Hi, All, > I am running Spark 2.1 on Hadoop 2.7.2 wit