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Posted to dev@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2015/05/04 14:24:06 UTC

[jira] [Created] (FLINK-1967) Introduce (Event)time in Streaming

Aljoscha Krettek created FLINK-1967:
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             Summary: Introduce (Event)time in Streaming
                 Key: FLINK-1967
                 URL: https://issues.apache.org/jira/browse/FLINK-1967
             Project: Flink
          Issue Type: Improvement
            Reporter: Aljoscha Krettek
            Assignee: Aljoscha Krettek


This requires introducing a timestamp in streaming record and a change in the sources to add timestamps to records. This will also introduce punctuations (or low watermarks) to allow windows to work correctly on unordered, timestamped input data. In the process of this, the windowing subsystem also needs to be adapted to use the punctuations. Furthermore, all operators need to be made aware of punctuations and correctly forward them. Then, a new operator must be introduced to to allow modification of timestamps.



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