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Posted to commits@beam.apache.org by "Amit Sela (JIRA)" <ji...@apache.org> on 2017/01/19 14:24:26 UTC

[jira] [Updated] (BEAM-648) Persist and restore Aggergator values in case of recovery from failure

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

Amit Sela updated BEAM-648:
---------------------------
    Assignee: Aviem Zur  (was: 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: Aviem Zur
>
> 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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