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Posted to issues@spark.apache.org by "Yinan Li (JIRA)" <ji...@apache.org> on 2018/04/25 17:44:00 UTC
[jira] [Created] (SPARK-24091) Internally used ConfigMap prevents
use of user-specified ConfigMaps carrying Spark configs files
Yinan Li created SPARK-24091:
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Summary: Internally used ConfigMap prevents use of user-specified ConfigMaps carrying Spark configs files
Key: SPARK-24091
URL: https://issues.apache.org/jira/browse/SPARK-24091
Project: Spark
Issue Type: Brainstorming
Components: Kubernetes
Affects Versions: 2.3.0
Reporter: Yinan Li
The recent PR [https://github.com/apache/spark/pull/20669] for removing the init-container introduced a internally used ConfigMap carrying Spark configuration properties in a file for the driver. This ConfigMap gets mounted under {{$SPARK_HOME/conf}} and the environment variable {{SPARK_CONF_DIR}} is set to point to the mount path. This pretty much prevents users from mounting their own ConfigMaps that carry custom Spark configuration files, e.g., {{log4j.properties}} and {{spark-env.sh}} and leaves users with only the option of building custom images. IMO, it is very useful to support mounting user-specified ConfigMaps for custom Spark configuration files. This worths further discussions.
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