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https://issues.apache.org/jira/browse/BEAM-10241?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17184208#comment-17184208
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Beam JIRA Bot commented on BEAM-10241:
--------------------------------------
This issue was marked "stale-P2" and has not received a public comment in 14
days. It is now automatically moved to P3. If you are still affected by it, you
can comment and move it back to P2.
> Dataflow template sharing temp directory in FileBasedSink which may cause a
> job deleting temp files generated by another job
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: BEAM-10241
> URL: https://issues.apache.org/jira/browse/BEAM-10241
> Project: Beam
> Issue Type: Bug
> Components: io-java-gcp
> Reporter: Minbo Bae
> Priority: P3
>
> The temp directory in FileBasedSink consists of output + ".temp-beam-" +
> [UUID.randomUUID()|[https://github.com/apache/beam/blob/v2.14.0/sdks/java/core/src/main/java/org/apache/beam/sdk/io/FileBasedSink.java#L521]].
> By the way, the part of ".temp-beam-" + UUID.randomUUID()" is fixed when the
> pipeline is uploaded as Dataflow template, and all the jobs created from the
> Dataflow template use the same temp_directory, if their output directories
> are the same.
> This may cause a job deletes temp files generated by another job when the
> outputs of concurrent template jobs have the same directory (e.g.
> gs://df-job/output/job1.out and gs://df-job/output/job2.out)
> It looks like
> [BigQueryIO|[https://github.com/apache/beam/blob/v2.22.0/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQueryIO.java#L1075-L1163]]
> creates a BQ job id at execution time in the case of Dataflow template. Can
> we make a similar fix for FileBasedSink?
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