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https://issues.apache.org/jira/browse/FLINK-2314?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14651040#comment-14651040
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Stephan Ewen commented on FLINK-2314:
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This is a super critical issue. It requires good understanding of how the
checkpointing and recovery works, and what can be considered deterministic
across retries.
Make the effort to write a brief design down how you want to do this.
Otherwise you run a high risk of spending a lot of work on something that is
not reliable enough to be merged.
> Make Streaming File Sources Persistent
> --------------------------------------
>
> Key: FLINK-2314
> URL: https://issues.apache.org/jira/browse/FLINK-2314
> Project: Flink
> Issue Type: Improvement
> Components: Streaming
> Affects Versions: 0.9
> Reporter: Stephan Ewen
> Assignee: Sheetal Parade
> Labels: easyfix, starter
>
> Streaming File sources should participate in the checkpointing. They should
> track the bytes they read from the file and checkpoint it.
> One can look at the sequence generating source function for an example of a
> checkpointed source.
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