Details
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Improvement
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Status: Closed
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Major
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Resolution: Implemented
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None
Description
Currently, for a group by(or other operators), if minRetentionTime equals to maxRetentionTime, the group by operator will register a timer for each record coming at different time which cause performance problem. The reasoning for having two parameters is that we can avoid to register many timers if we have more freedom when to discard state. As min equals to max cause performance problem it is better to make sure these two parameters are not same.
Any suggestions are welcome.
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