flink-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Congxian Qiu <qcx978132...@gmail.com>
Subject Why should we use an evictor operator in flink window
Date Wed, 04 Jul 2018 03:00:14 GMT
Hi, all
    When using Flink window, I do not know why should we use an evictor
operator in flink window, after reading the EvictingWindowOperator.java, I
think we could do all the [evcitor] things in the userfunction. Could
anyone help me to understand these?


    I have digged the history of `Evictor.java`, but did not gotten the
reason
       1. in FLINK-2677(https://issues.apache.org/jira/browse/FLINK-2677)
Flink introduced the evictor operator, but I did not find the reason why we
should have the evictor operator.
       2. In FLIP-4 we enhance the Evictor operator.

-- 
Blog:http://www.klion26.com
GTalk:qcx978132955
一切随心

Mime
View raw message