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https://issues.apache.org/jira/browse/BEAM-9439?focusedWorklogId=420273&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-420273
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ASF GitHub Bot logged work on BEAM-9439:
----------------------------------------
Author: ASF GitHub Bot
Created on: 10/Apr/20 15:36
Start Date: 10/Apr/20 15:36
Worklog Time Spent: 10m
Work Description: aromanenko-dev commented on issue #11377: [BEAM-9439]
Return split instead of total backlog size
URL: https://github.com/apache/beam/pull/11377#issuecomment-612083684
retest this please
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Issue Time Tracking
-------------------
Worklog Id: (was: 420273)
Time Spent: 40m (was: 0.5h)
> KinesisReader does not report correct backlog statistics
> ---------------------------------------------------------
>
> Key: BEAM-9439
> URL: https://issues.apache.org/jira/browse/BEAM-9439
> Project: Beam
> Issue Type: Bug
> Components: io-java-kinesis
> Reporter: Sam Whittle
> Assignee: Sebastian Graca
> Priority: Major
> Time Spent: 40m
> Remaining Estimate: 0h
>
> The KinesisReader implementing KinesisIO reports backlog by implementing the
> UnboundedSource.getTotalBacklogBytes()
> method as opposed to the
> UnboundedSource.getSplitBacklogBytes()
> This value is supposed to represent the total backlog across all shards.
> This function is implemented by calling
> SimplifiedKinesisClient.getBacklogBytes with the watermark of the kinesis
> shards managed within the UnboundedReader instance. As this watermark may be
> further ahead than the watermark across all shards, this may miss backlog
> bytes.
> An additional concern is that the watermark is calculated using a
> WatermarkPolicy, which means that the watermark may be inconsistent to the
> kinesis timestamp for querying backlog.
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