[GitHub] lonelytrooper opened a new pull request #23382: [SPARK-26441][KUBERNETES] Add kind configuration of driver pod

[GitBox <gi...@apache.org>]

lonelytrooper opened a new pull request #23382: [SPARK-26441][KUBERNETES] Add kind configuration of driver pod 
URL: https://github.com/apache/spark/pull/23382
 
 
   ## What changes were proposed in this pull request?
   Spark running on kubernetes now starts driver pod in Pod kind by default , which has a problem that entire job fails when  host machine crashs. In other words , driver pod can not failover in kind of Pod in this situation.  So , we add kind configuration of driver pod which supports Pod、Deployment、Job. For example , in streaming jobs , starting driver pod in Deployment kind will ensure  the driver service high available even there is host-machine-crash. In batch jobs , there is configurable backoffLimits for retry.   
   
   ## How was this patch tested?
   We test in production env. Starting driver in Deployment or Job kind can make driver high available when host machine crashs.
   

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