[jira] [Closed] (BEAM-1003) Enable caching of side-input dependent computations

["Kenneth Knowles (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-1003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kenneth Knowles closed BEAM-1003.
---------------------------------
       Resolution: Duplicate
    Fix Version/s: Not applicable

Looks like an exact duplicate, a la form resubmission.

> Enable caching of side-input dependent computations
> ---------------------------------------------------
>
>                 Key: BEAM-1003
>                 URL: https://issues.apache.org/jira/browse/BEAM-1003
>             Project: Beam
>          Issue Type: New Feature
>          Components: beam-model
>            Reporter: Robert Bradshaw
>            Assignee: Frances Perry
>             Fix For: Not applicable
>
>
> Sometimes the kind of computations one wants to perform in startBundle depend on side inputs (and, implicitly, the window). For example, one might want to initialize a (non-serializable) stateful object. In particular, this leads to users incorrectly (in the case of triggered or non-globally-windowed side inputs) memoizing this computation in the first processElement call. 
> One option would be to fold this into a customizable ViewFn. 



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