Tanay Tummalapalli created BEAM-7822:
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Summary: 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-python-gcp
Affects Versions: 2.13.0
Reporter: Tanay Tummalapalli
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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