Scatter Gather and Spark together

dbeckerdbecker MunichMember
edited July 2017 in Ask the WDL team

Hi,

I can't find any recommendations on how to use scatter gather and spark together.
We do panel diagnosics and whole exomes. Therefore a run may contain up to 60 samples. My first idea was to use Scatter Gather to analyse a few samples at the same time. Our server crashed with a concurrent-job-limit > 3 because we ran out of ram and all cores were at 100%. Since I plan to use spark in the future, I wanted to know

  • if it is a good idea to use scatter-gather and spark together,
  • how they work with each other
  • and if there are recommendations how I can calulate the number of cromwell jobs and spark workers from my hardware.

Please just show me the way if there is already a tutorial that answers my question.

Thanks and best regards,
Daniel

Best Answer

Answers

  • dbeckerdbecker MunichMember

    Is there anybody who thought about that already?

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