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https://issues.apache.org/jira/browse/BEAM-12756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17499626#comment-17499626
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Luke Cwik commented on BEAM-12756:
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This was an internal Dataflow bug because of a conversion of a large double
value needed to be turned into a saturated cast vs a static cast since in c++ a
cast from a large double value beyond the bounds of an int64 returns the
smallest negative integer.
> Negative value being returned for progress when using OffsetRangeTracker
> ------------------------------------------------------------------------
>
> Key: BEAM-12756
> URL: https://issues.apache.org/jira/browse/BEAM-12756
> Project: Beam
> Issue Type: Improvement
> Components: runner-dataflow, sdk-java-core
> Reporter: Luke Cwik
> Assignee: Luke Cwik
> Priority: P3
> Attachments: job_logs.png
>
>
> range.getFrom() returns 1 and range.getTo() returns 9223372036854775807
> (Long.MAX_VALUE). In the returned Progress object, workCompleted is 0.0 and
> workRemaining is 9.223372036854776E18
> Somehow, in the Dataflow backend, it becomes -9223372036854775808
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