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https://issues.apache.org/jira/browse/BEAM-13684?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17498223#comment-17498223
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Beam JIRA Bot commented on BEAM-13684:
--------------------------------------
This issue was marked "stale-assigned" and has not received a public comment in
7 days. It is now automatically unassigned. If you are still working on it, you
can assign it to yourself again. Please also give an update about the status of
the work.
> Consider adding information to ProcessBundleRequest indicating there is no
> existing state
> -----------------------------------------------------------------------------------------
>
> Key: BEAM-13684
> URL: https://issues.apache.org/jira/browse/BEAM-13684
> Project: Beam
> Issue Type: Improvement
> Components: beam-model
> Reporter: Sam Whittle
> Priority: P2
>
> This allows for skipping all state fetches made during processing this key,
> preloading the cache with empty values for the key, or extending the cache to
> include this negative state information to avoid fetches as long as no state
> is evicted for the key.
> This is particularly beneficial in sparse key streaming pipelines where such
> new keys are common.
> It could also be used to avoid fetches in batch pipelines where there is no
> persisted state.
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