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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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Dongjoon Hyun updated SPARK-32221:
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Parent: SPARK-33461 (was: SPARK-30985)
> 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
> 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 MiB. Once etcd is upgraded in all the popular k8s clusters, then we
> can hope to overcome this limitation. e.g.
> [https://etcd.io/docs/v3.4.0/dev-guide/limit/] version of etcd allows for
> higher limit on each entry.
> Even if that does not happen, there are other ways to overcome this
> limitation, for example, we can have config files split across multiple
> configMaps. We need to discuss, and prioritise, this issue takes the
> straightforward approach of skipping files that cannot be accommodated within
> 1MiB limit and WARNING the user about the same.
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