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Posted to dev@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2016/01/15 16:30:40 UTC
[jira] [Created] (FLINK-3243) Fix Interplay of TimeCharacteristic
and Time Windows
Aljoscha Krettek created FLINK-3243:
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Summary: Fix Interplay of TimeCharacteristic and Time Windows
Key: FLINK-3243
URL: https://issues.apache.org/jira/browse/FLINK-3243
Project: Flink
Issue Type: Bug
Components: Streaming
Affects Versions: 1.0.0
Reporter: Aljoscha Krettek
Assignee: Aljoscha Krettek
Priority: Blocker
As per the discussion on the Dev ML: http://apache-flink-mailing-list-archive.1008284.n3.nabble.com/DISCUSS-Time-Behavior-in-Streaming-Jobs-Event-time-processing-time-td9616.html.
The discussion seems to have converged on option 2):
- Add dedicated WindowAssigners for processing time and event time
- {{timeWindow()}} and {{timeWindowAll()}} respect the set {{TimeCharacteristic}}.
This will make the easy stuff easy, i.e. using time windows and quickly switching the time characteristic. Users will then have the flexibility to mix different kinds of window assigners in their job.
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