fix scalac stack overflow compiler bug that requires additional memory
fix scalac stack overflow compiler bug that requires additional memory

rstudio/sparklyr,rstudio/sparklyr,rstudio/sparklyr,rstudio/sparklyr,kevinykuo/sparklyr,kevinykuo/sparklyr,kevinykuo/sparklyr,kevinykuo/sparklyr,javierluraschi/sparkworker