ExecutorId in JAVA_OPTS

2015-11-04 Thread surbhi.mungre
I was trying to profile some Spark jobs and I want to collect Java Flight Recorder(JFR) files from each executor. I am running my job on a YARN cluster with several nodes, so I cannot manually collect JRF file for each run. MR provides a way to name JFR files generated by each task with taskId.

Preemption with Spark on Yarn

2015-10-20 Thread surbhi.mungre
Hi All, I am new to Spark and I am trying to understand how preemption works with Spark on Yarn. My goal is to determine amount of re-work a Spark application has to do if an executor is preempted. For my test, I am using a 4 node cluster with Cloudera VM running Spark 1.3.0. I am running