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Posted to issues@flink.apache.org by "Tzu-Li (Gordon) Tai (JIRA)" <ji...@apache.org> on 2019/02/11 09:13:00 UTC

[jira] [Updated] (FLINK-10996) Enable state ttl in cep

     [ https://issues.apache.org/jira/browse/FLINK-10996?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tzu-Li (Gordon) Tai updated FLINK-10996:
----------------------------------------
    Fix Version/s:     (was: 1.7.2)
                   1.7.3

> Enable state ttl in cep
> -----------------------
>
>                 Key: FLINK-10996
>                 URL: https://issues.apache.org/jira/browse/FLINK-10996
>             Project: Flink
>          Issue Type: Improvement
>          Components: CEP
>    Affects Versions: 1.7.1
>            Reporter: aitozi
>            Assignee: aitozi
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.7.3
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> In flink cep, although the within clause can clean up the data when data is expire. But If the specific key data never come again, the partial matched data will not be deleted again which will lead to the state leak. With the state ttl feature support by flink runtime, we has the ability to expire the correlative data asyncly . 



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