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Posted to issues@flink.apache.org by "Kostas Kloudas (JIRA)" <ji...@apache.org> on 2017/02/14 08:59:42 UTC

[jira] [Updated] (FLINK-5420) Make CEP operators rescalable

     [ https://issues.apache.org/jira/browse/FLINK-5420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kostas Kloudas updated FLINK-5420:
----------------------------------
    Summary: Make CEP operators rescalable  (was: Make keyed CEP operator rescalable)

> Make CEP operators rescalable
> -----------------------------
>
>                 Key: FLINK-5420
>                 URL: https://issues.apache.org/jira/browse/FLINK-5420
>             Project: Flink
>          Issue Type: Bug
>          Components: CEP
>    Affects Versions: 1.2.0
>            Reporter: Kostas Kloudas
>            Assignee: Kostas Kloudas
>
> {{AbstractKeyedCEPPatternOperator}} uses the old state snapshotting interfaces that make the operator non-resealable. The operator uses state to keep track of all the in-flight keys. When a watermark arrives the buffers are checked for all keys and those that can be processed are processed. We could change this to use the abstract timer system instead.



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