use sparkly-worker and sparklyr-rworker logging prefixes
use sparkly-worker and sparklyr-rworker logging prefixes

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