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https://issues.apache.org/jira/browse/SPARK-3129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14141382#comment-14141382
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Matei Zaharia commented on SPARK-3129:
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So Hari, what is the maximum sustainable rate in MB/second? That's the number
we should be looking for. I think a latency of 50-100 ms to flush is fine, but
we can't be writing just 5 Kbytes/second.
> Prevent data loss in Spark Streaming
> ------------------------------------
>
> Key: SPARK-3129
> URL: https://issues.apache.org/jira/browse/SPARK-3129
> Project: Spark
> Issue Type: New Feature
> Components: Streaming
> Reporter: Hari Shreedharan
> Assignee: Hari Shreedharan
> Attachments: SecurityFix.diff, StreamingPreventDataLoss.pdf
>
>
> Spark Streaming can small amounts of data when the driver goes down - and the
> sending system cannot re-send the data (or the data has already expired on
> the sender side). The document attached has more details.
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