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https://issues.apache.org/jira/browse/BEAM-38?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15319346#comment-15319346
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ASF GitHub Bot commented on BEAM-38:
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Github user asfgit closed the pull request at:
https://github.com/apache/incubator-beam/pull/419
> Avoid repeated DoFn deserialization
> -----------------------------------
>
> Key: BEAM-38
> URL: https://issues.apache.org/jira/browse/BEAM-38
> Project: Beam
> Issue Type: New Feature
> Components: beam-model
> Reporter: Kenneth Knowles
> Assignee: Thomas Groh
>
> Alluded to in our technical vision, we wish to remove at least some
> guarantees about when a fresh DoFn instance is created. Repeated
> deserialization can become a major cost when bundles are very small, as in
> some streaming pipelines.
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