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From "Kenneth Knowles (JIRA)" <>
Subject [jira] [Closed] (BEAM-1003) Enable caching of side-input dependent computations
Date Wed, 21 Dec 2016 21:01:01 GMT


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:
>             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
> One option would be to fold this into a customizable ViewFn. 

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