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https://issues.apache.org/jira/browse/FLINK-6215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17205583#comment-17205583
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Kostas Kloudas commented on FLINK-6215:
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Yes [~sewen], I will close the issue. The PRs are already closed.
> Make the StatefulSequenceSource scalable.
> -----------------------------------------
>
> Key: FLINK-6215
> URL: https://issues.apache.org/jira/browse/FLINK-6215
> Project: Flink
> Issue Type: Bug
> Components: API / DataStream
> Affects Versions: 1.3.0
> Reporter: Kostas Kloudas
> Priority: Major
> Labels: pull-request-available
>
> Currently the {{StatefulSequenceSource}} instantiates all the elements to
> emit first and keeps them in memory. This is not scalable as for large
> sequences of elements this can lead to out of memory exceptions.
> To solve this, we can pre-partition the sequence of elements based on the
> {{maxParallelism}} parameter, and just keep state (to checkpoint) per such
> partition.
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