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From "Kenneth Knowles (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-1656) DirectRunner should not call finalize twice in UnboundedSourceExecutorFactory
Date Thu, 09 Mar 2017 03:01:38 GMT

    [ https://issues.apache.org/jira/browse/BEAM-1656?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15902397#comment-15902397
] 

Kenneth Knowles commented on BEAM-1656:
---------------------------------------

Let's actually change the spec so finalize is idempotent.

> DirectRunner should not call finalize twice in UnboundedSourceExecutorFactory
> -----------------------------------------------------------------------------
>
>                 Key: BEAM-1656
>                 URL: https://issues.apache.org/jira/browse/BEAM-1656
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-direct
>            Reporter: Ben Chambers
>            Assignee: Thomas Groh
>
> In [getReader](https://github.com/apache/beam/blob/master/runners/direct-java/src/main/java/org/apache/beam/runners/direct/UnboundedReadEvaluatorFactory.java#L174)
we call finalize on the checkpoint that arrived in the incoming shard. Then later in [finishRead](https://github.com/apache/beam/blob/master/runners/direct-java/src/main/java/org/apache/beam/runners/direct/UnboundedReadEvaluatorFactory.java#L205)
we finalize the old checkpoint again.



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