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https://issues.apache.org/jira/browse/SPARK-32221?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Prashant Sharma resolved SPARK-32221.
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Resolution: Fixed
> Avoid possible errors due to incorrect file size or type supplied in spark
> conf.
> --------------------------------------------------------------------------------
>
> Key: SPARK-32221
> URL: https://issues.apache.org/jira/browse/SPARK-32221
> Project: Spark
> Issue Type: Sub-task
> Components: Kubernetes
> Affects Versions: 3.1.0
> Reporter: Prashant Sharma
> Assignee: Prashant Sharma
> Priority: Major
>
> This would avoid failures, in case the files are a bit large or a user places
> a binary file inside the SPARK_CONF_DIR.
> Both of which are not supported at the moment.
> The reason is, underlying etcd store does limit the size of each entry to
> only 1.5 MiB.
> [https://etcd.io/docs/v3.4.0/dev-guide/limit/]
> We can apply a straightforward approach of skipping files that cannot be
> accommodated within 1.5MiB limit (limit is configurable as per above link)
> and WARNING the user about the same.
> For most use cases, this limit is more than sufficient, however a user may
> accidentally place a larger file and observe an unpredictable result or
> failures at run time.
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