[GitHub] [spark] dongjoon-hyun commented on pull request #40392: [SPARK-42769][K8S] Add `SPARK_DRIVER_POD_IP` env variable to executor pods

["dongjoon-hyun (via GitHub)" <gi...@apache.org>]

dongjoon-hyun commented on PR #40392:
URL: https://github.com/apache/spark/pull/40392#issuecomment-1465870752

   @pan3793 .
   
   The goal of PR is different from your PR's goal.
   - Your PR tried to add `SPARK_DRIVER_POD_NAME` to `Driver Pod` to expose it to **3rd party pods**.
   - This PR aims to add `SPARK_DRIVER_POD_IP` to `Executor Pod` in order to help **internal communications between Spark executors and Spark driver**.
   
   In addition, this is a kind of propagation of the information from the driver pod to the executor pods instead of exposing the executor pods' internal information.


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