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Spark Internals Section #6

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echeipesh opened this issue Apr 1, 2020 · 0 comments
Open

Spark Internals Section #6

echeipesh opened this issue Apr 1, 2020 · 0 comments

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@echeipesh
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Some poor soul is going to have to debug a spark job. It helps to know the players and how they relate to each-other.

Short description and a simple diagram with arrows, similar to spark-basics section :

  • Spark Players

    • Driver
    • Executor
    • BlockManager
    • DAGScheduler
    • Cluster Manager (YARN)
  • Hands-on walk though

    • Bump LOG level to INFO into workshop project see the players
    • Logs and web console on AWS EMR
@echeipesh echeipesh mentioned this issue Apr 1, 2020
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