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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2015/10/14 16:02:05 UTC

[jira] [Resolved] (FLINK-2181) SessionWindowing example has a memleak

     [ https://issues.apache.org/jira/browse/FLINK-2181?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aljoscha Krettek resolved FLINK-2181.
-------------------------------------
       Resolution: Fixed
    Fix Version/s: 0.10

Resolved by removing the trigger/eviction based window system.

> SessionWindowing example has a memleak
> --------------------------------------
>
>                 Key: FLINK-2181
>                 URL: https://issues.apache.org/jira/browse/FLINK-2181
>             Project: Flink
>          Issue Type: Bug
>          Components: Examples, Streaming
>            Reporter: Gabor Gevay
>            Assignee: Aljoscha Krettek
>             Fix For: 0.10
>
>
> The trigger policy objects belonging to already terminated sessions are kept in memory, and also NotifyOnLastGlobalElement gets called on them. This causes the program to eat up more and more memory, and also to get slower with time.
> Mailing list discussion:
> http://mail-archives.apache.org/mod_mbox/flink-dev/201505.mbox/%3CCADXjeyBW9uaA=ayDe+9r+qH85PBLyAvUeGSr7h8PwkYntM99Dg@mail.gmail.com%3E



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