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Posted to commits@beam.apache.org by "Kenneth Knowles (JIRA)" <ji...@apache.org> on 2016/07/27 15:30:21 UTC

[jira] [Commented] (BEAM-23) User-facing state and timers for ParDo(DoFn)

    [ https://issues.apache.org/jira/browse/BEAM-23?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15395848#comment-15395848 ] 

Kenneth Knowles commented on BEAM-23:
-------------------------------------

Design proposal is at https://s.apache.org/beam-state.

> User-facing state and timers for ParDo(DoFn)
> --------------------------------------------
>
>                 Key: BEAM-23
>                 URL: https://issues.apache.org/jira/browse/BEAM-23
>             Project: Beam
>          Issue Type: New Feature
>          Components: beam-model
>            Reporter: Kenneth Knowles
>            Assignee: Kenneth Knowles
>              Labels: State
>
> To a key-partitioned ParDo, add the ability for a user's DoFn to, on a per-key-and-window basis:
>  - read and write consistent state
>  - set a timer to request a callback at a particular moment (in any time domain)



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