[jira] [Commented] (BEAM-2933) Gearpump support for portable side input

["Luke Cwik (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/BEAM-2933?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16211810#comment-16211810 ] 

Luke Cwik commented on BEAM-2933:
---------------------------------

https://github.com/apache/beam/pull/4011 migrated to using a multimap as the materialization format for side inputs.

The migration used a trivial multimap -> iterable -> multimap conversion within the Gearpump runner for first pass implementation purposes. Note that this is no different then the current materialization from a performance perspective it just moves this logic within the purview of the runner. Consider improving the internal materialization format from this trivial and unoptimal mapping.

> Gearpump support for portable side input
> ----------------------------------------
>
>                 Key: BEAM-2933
>                 URL: https://issues.apache.org/jira/browse/BEAM-2933
>             Project: Beam
>          Issue Type: Sub-task
>          Components: runner-gearpump
>            Reporter: Henning Rohde
>              Labels: portability
>




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