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From "Davor Bonaci (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (BEAM-260) Know the getSideInputWindow upper bound so can gc side input state
Date Sun, 08 May 2016 19:37:12 GMT

     [ https://issues.apache.org/jira/browse/BEAM-260?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Davor Bonaci updated BEAM-260:
------------------------------
    Assignee: Mark Shields  (was: Frances Perry)

> Know the getSideInputWindow upper bound so can gc side input state
> ------------------------------------------------------------------
>
>                 Key: BEAM-260
>                 URL: https://issues.apache.org/jira/browse/BEAM-260
>             Project: Beam
>          Issue Type: Bug
>          Components: beam-model
>            Reporter: Mark Shields
>            Assignee: Mark Shields
>
> We currently have no static knowledge about the getSideInputWindow function, and runners
are thus forced to hold on to all side input state / elements in case a future element reaches
back into an earlier side input element.
> Maybe we need an upper bound on lag from current to result of getSideInputWindow so we
can have a progressing gc horizon as we do for  GKB window state. 



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