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Posted to issues@beam.apache.org by "Pablo Estrada (Jira)" <ji...@apache.org> on 2019/09/04 20:00:04 UTC
[jira] [Resolved] (BEAM-7822) TriggerCopyJobs in BQ file loads is
not atmomic in case of failure
[ https://issues.apache.org/jira/browse/BEAM-7822?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pablo Estrada resolved BEAM-7822.
---------------------------------
Fix Version/s: 2.16.0
Resolution: Fixed
> TriggerCopyJobs in BQ file loads is not atmomic in case of failure
> ------------------------------------------------------------------
>
> Key: BEAM-7822
> URL: https://issues.apache.org/jira/browse/BEAM-7822
> Project: Beam
> Issue Type: Test
> Components: io-py-gcp
> Affects Versions: 2.13.0
> Reporter: Tanay Tummalapalli
> Assignee: Tanay Tummalapalli
> Priority: Minor
> Fix For: 2.16.0
>
>
> Scenario:
> If temp_tables are being used, during copying data from the temp table to the destination table, if there is a failure in BigQuery mid-way through execution, it will raise an Exception causing the pipeline to fail. As a result, some temp_tables will be copied and some will not be. When the pipeline is rerun, it will cause the same data to be written to new temp_tables and copy jobs will be triggered to copy this data to the destination table.
> This will result in duplicate data being written to the BigQuery destination table.
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