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https://issues.apache.org/jira/browse/FLINK-8046?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Juan Miguel Cejuela updated FLINK-8046:
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Remaining Estimate: (was: 24h)
Original Estimate: (was: 24h)
> ContinuousFileMonitoringFunction wrongly ignores files with exact same
> timestamp
> --------------------------------------------------------------------------------
>
> Key: FLINK-8046
> URL: https://issues.apache.org/jira/browse/FLINK-8046
> Project: Flink
> Issue Type: Bug
> Components: Streaming
> Affects Versions: 1.3.2
> Reporter: Juan Miguel Cejuela
> Priority: Major
> Labels: stream
> Fix For: 1.5.5
>
>
> The current monitoring of files sets the internal variable
> `globalModificationTime` to filter out files that are "older". However, the
> current test (to check "older") does
> `boolean shouldIgnore = modificationTime <= globalModificationTime;` (rom
> `shouldIgnore`)
> The comparison should strictly be SMALLER (NOT smaller or equal). The method
> documentation also states "This happens if the modification time of the file
> is _smaller_ than...".
> The equality acceptance for "older", makes some files with same exact
> timestamp to be ignored. The behavior is also non-deterministic, as the first
> file to be accepted ("first" being pretty much random) makes the rest of
> files with same exact timestamp to be ignored.
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