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https://issues.apache.org/jira/browse/BEAM-6514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17139950#comment-17139950
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Chamikara Madhusanka Jayalath commented on BEAM-6514:
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This is because there's currently no good way to cleanup failing Dataflow/Beam
jobs. If the job is successful BQ connector will perform the cleanup if the job
fails cleanup may have to be done manually.
> Dataflow Batch Job Failure is leaving Datasets/Tables behind in BigQuery
> ------------------------------------------------------------------------
>
> Key: BEAM-6514
> URL: https://issues.apache.org/jira/browse/BEAM-6514
> Project: Beam
> Issue Type: Bug
> Components: io-java-gcp
> Reporter: Rumeshkrishnan Mohan
> Assignee: Chamikara Madhusanka Jayalath
> Priority: P2
> Labels: stale-assigned
>
> Dataflow is leaving Datasets/Tables behind in BigQuery when the pipeline is
> cancelled or when it fails. I cancelled a job or it failed at run time, and
> it left behind a dataset and table in BigQuery.
> # `cleanupTempResource` method involves cleaning tables and dataset after
> batch job succeed.
> # If job failed in the middle or cancelled explicitly, the temporary dataset
> and tables remain exist. I do see the table expire period 1 day as per code
> in `getTableToExtract` function written in BigQueryQuerySource.java.
> # I can understand that, keep temp tables and dataset when failure for
> debugging.
> # Can we have pipeline or job optional parameters which get clean temporary
> dataset and tables when cancel or fail ?
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