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Posted to issues@flink.apache.org by "Robert Metzger (JIRA)" <ji...@apache.org> on 2016/09/05 09:50:21 UTC
[jira] [Updated] (FLINK-4329) Fix Streaming File Source
Timestamps/Watermarks Handling
[ https://issues.apache.org/jira/browse/FLINK-4329?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robert Metzger updated FLINK-4329:
----------------------------------
Fix Version/s: (was: 1.1.2)
1.1.3
> Fix Streaming File Source Timestamps/Watermarks Handling
> --------------------------------------------------------
>
> Key: FLINK-4329
> URL: https://issues.apache.org/jira/browse/FLINK-4329
> Project: Flink
> Issue Type: Bug
> Components: Streaming Connectors
> Affects Versions: 1.1.0
> Reporter: Aljoscha Krettek
> Assignee: Kostas Kloudas
> Fix For: 1.2.0, 1.1.3
>
>
> The {{ContinuousFileReaderOperator}} does not correctly deal with watermarks, i.e. they are just passed through. This means that when the {{ContinuousFileMonitoringFunction}} closes and emits a {{Long.MAX_VALUE}} that watermark can "overtake" the records that are to be emitted in the {{ContinuousFileReaderOperator}}. Together with the new "allowed lateness" setting in window operator this can lead to elements being dropped as late.
> Also, {{ContinuousFileReaderOperator}} does not correctly assign ingestion timestamps since it is not technically a source but looks like one to the user.
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