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https://issues.apache.org/jira/browse/SUBMARINE-1278?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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cdmikechen resolved SUBMARINE-1278.
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Resolution: Done
> Fetching data to k8s cluster before experiment's execution
> ----------------------------------------------------------
>
> Key: SUBMARINE-1278
> URL: https://issues.apache.org/jira/browse/SUBMARINE-1278
> Project: Apache Submarine
> Issue Type: New Feature
> Reporter: Yu-Tang Lin
> Assignee: Yu-Tang Lin
> Priority: Major
>
> Per the discussion with Didi's users,
> they think it might be useful if submarine fetches the data from external
> file system(ex: hdfs, s3... etc) into cluster first and then the following
> executions could read the data from local environment.
> After couple discussions, we have couple proposes for above scenario.
> # Once the external data source had been set, submarine launches another
> container as initialize container of experiment; In this container, we
> leverage fsspec to fetch data, and persist into apache arrow, then the
> workers in the execution read the data from arrow directly; In the
> termination phase, submarine launches another container to clean up the data
> in arrow.
> # the flow is quite similar to option1, instead of we replace fsspec with
> alluxio. But due to we're not a hybird cloud environment focusing solution, I
> think the tech stack of alluxio is too thick for us, so I prefer the option
> 1 more.
> About the external file system integrating, we'll try to integrate hdfs(w/
> kerberos) as our first step.
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