damccorm opened a new issue, #19872:
URL: https://github.com/apache/beam/issues/19872
I have a dataflow job processing data from pub/sub defined like this:
*read from pub/sub -\> process (my function) -\> group into day windows -\>
write to BQ*
I'm using *Write.Method.FILE_LOADS* because of bounded input.
My job works fine, processing lots of GBs of data but it fails and tries to
retry forever when it gets to create another table. The job is meant to run
continuously and create day tables on its own, it does fine on the first few
ones but then gives me indefinitely:
```
Processing stuck in step
write-bq/BatchLoads/SinglePartitionWriteTables/ParMultiDo(WriteTables) for
at least 05h30m00s without outputting or completing in state finish
```
Before this happens it also throws:
```
Load job <job_id> failed, will retry: {"errorResult": {"message":"Not found:
Table <name_of_table>
was not found in location US","reason":"notFound"}
```
It is indeed a right error because this table doesn't exists. Problem is
that the job should create it on its own because of defined option
*CreateDisposition.CREATE_IF_NEEDED*.
The number of day tables that it creates correctly without a problem depends
on number of workers. It seems that when some worker creates one table its
*CreateDisposition* changes to *CREATE_NEVER* causing the problem, but it's
only my guess.
The similar problem was reported here but without any definite answer:
https://issues.apache.org/jira/browse/BEAM-3772?focusedCommentId=16387609&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16387609
ProcessElement definition here seems to give some clues but I cannot really
say how it works with multiple workers:
[https://github.com/apache/beam/blob/master/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/WriteTables.java#L138](https://github.com/apache/beam/blob/master/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/WriteTables.java#L138)
I use 2.15.0 Apache SDK.
Imported from Jira
[BEAM-8257](https://issues.apache.org/jira/browse/BEAM-8257). Original Jira may
contain additional context.
Reported by: dbodych.
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