tooptoop4 commented on issue #7075: [AIRFLOW-6212] SparkSubmitHook resolve 
connection
URL: https://github.com/apache/airflow/pull/7075#issuecomment-571762855
 
 
   > > > @tooptoop4 if we don't remove the spark check on line 177, how to use 
this hook to track driver status deployed on yarn, mesos, or k8s? Since I think 
`spark://` is only for standalone mode.
   > > > Or this hook is created only for standalone mode?
   > > 
   > > 
   > > yes.there is no concept of async driver status poll for other modes , 
read https://spark.apache.org/docs/latest/running-on-yarn.html ! in other modes 
the submit to launch is synchronous . i think u can cancel this @albertusk95
   > 
   > I couldn't find any info stating that there's no async driver polling for 
YARN anyway from the provided link.
   
   There isn't async driver polling in YARN, I know Spark on YARN.

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