[jira] [Updated] (BEAM-12002) BigQuery source creates new dataset IDs during split

["Beam JIRA Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/BEAM-12002?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Beam JIRA Bot updated BEAM-12002:
---------------------------------
    Labels: stale-P2  (was: )

> BigQuery source creates new dataset IDs during split
> ----------------------------------------------------
>
>                 Key: BEAM-12002
>                 URL: https://issues.apache.org/jira/browse/BEAM-12002
>             Project: Beam
>          Issue Type: Bug
>          Components: io-java-gcp, io-py-gcp
>            Reporter: Chamikara Madhusanka Jayalath
>            Priority: P2
>              Labels: stale-P2
>
> If unspecified by user, source creates the temp dataset ID here: [https://github.com/apache/beam/blob/release-2.27.0/sdks/python/apache_beam/io/gcp/bigquery.py#L786]
> This means that re-runs of same source split workitem will have different temporary dataset IDs.
> If some split() calls fail before cleaning up the dataset, such datasets will not be cleaned up even if the job is successful (after workitem retries).
> Instead of doing this, we should create a temp dataset ID at source creation so that it is shared between re-runs of the same workitem. This might be incompatible with templates so we might have to wait till we have a SDF-based BigQuery source.
>  
> (Java potentially have a similar bug in BigQuerySource but we have a withTemplateCompatability() option for Java which runs BigQuery using DoFns which should perform the cleanup correctly)
>  



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