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From Jean-Baptiste Onofré (JIRA) <j...@apache.org>
Subject [jira] [Assigned] (BEAM-648) Persist and restore Aggergator values in case of recovery from failure
Date Sun, 27 Nov 2016 13:52:59 GMT

     [ https://issues.apache.org/jira/browse/BEAM-648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jean-Baptiste Onofré reassigned BEAM-648:
-----------------------------------------

    Assignee: Jean-Baptiste Onofré

> Persist and restore Aggergator values in case of recovery from failure
> ----------------------------------------------------------------------
>
>                 Key: BEAM-648
>                 URL: https://issues.apache.org/jira/browse/BEAM-648
>             Project: Beam
>          Issue Type: Bug
>          Components: runner-spark
>            Reporter: Amit Sela
>            Assignee: Jean-Baptiste Onofré
>
> While Aggregators are fault-tolerant (pending https://github.com/apache/incubator-beam/pull/909),
they will recover into their initial value. 
> The SparkRunner should persist the values to durable storage and recover from the persisted
state.
> One way to go would be to persist via Spark's listeners, for example "onBatchCompleted".
> For more details see SPARK-5206.



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