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Posted to commits@beam.apache.org by "Daniel Halperin (JIRA)" <ji...@apache.org> on 2016/10/20 18:27:58 UTC

[jira] [Updated] (BEAM-38) Avoid repeated DoFn deserialization

     [ https://issues.apache.org/jira/browse/BEAM-38?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daniel Halperin updated BEAM-38:
--------------------------------
    Labels: backward-incompatible  (was: )

> 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
>              Labels: backward-incompatible
>             Fix For: 0.2.0-incubating
>
>
> 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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