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https://issues.apache.org/jira/browse/BEAM-1002?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17132117#comment-17132117
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Beam JIRA Bot commented on BEAM-1002:
-------------------------------------
This issue is P2 but has been unassigned without any comment for 60 days so it
has been labeled "stale-P2". If this issue is still affecting you, we care!
Please comment and remove the label. Otherwise, in 14 days the issue will be
moved to P3.
Please see https://beam.apache.org/contribute/jira-priorities/ for a detailed
explanation of what these priorities mean.
> Enable caching of side-input dependent computations
> ---------------------------------------------------
>
> Key: BEAM-1002
> URL: https://issues.apache.org/jira/browse/BEAM-1002
> Project: Beam
> Issue Type: New Feature
> Components: beam-model
> Reporter: Robert Bradshaw
> Priority: P2
> Labels: stale-P2
>
> 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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