Memory issues on spark

2016-02-17 Thread ARUN.BONGALE
Hi All, I have been facing memory issues in spark. im using spark-sql on AWS EMR. i have around 50GB file in AWS S3. I want to read this file in BI tool connected to spark-sql on thrift-server over OBDC. I'm executing select * from table in BI tool(qlikview,tableau). I run into OOM error

Memory tuning in spark sql

2016-02-04 Thread ARUN.BONGALE
Hi Sir/madam, Greetings of the day. I am working on Spark 1.6.0 with AWS EMR(Elastic Map Reduce). I'm facing some issues in reading large(500 mb) file in spark-sql. Sometimes i get heap space error and sometimes the executors fail. i have increased the driver memory, executor memory, kryo