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https://issues.apache.org/jira/browse/BEAM-10917?focusedWorklogId=636125&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-636125
 ]

ASF GitHub Bot logged work on BEAM-10917:
-----------------------------------------

                Author: ASF GitHub Bot
            Created on: 09/Aug/21 22:02
            Start Date: 09/Aug/21 22:02
    Worklog Time Spent: 10m 
      Work Description: satybald commented on pull request #15185:
URL: https://github.com/apache/beam/pull/15185#issuecomment-895579998


   While running the pipeline with runner V2, I found that pipeline logs 
significant amount of error i.e. 5K log lines per 5min in the end of the job. 
   
   ```
   apache_beam.runners.common.PerWindowInvoker.try_split File 
"apache_beam/runners/common.py", line 1036,
    in apache_beam.runners.common.PerWindowInvoker._try_split 
   File 
"/usr/local/lib/python3.7/site-packages/apache_beam/runners/sdf_utils.py", line 
124, 
   in try_split return 
self._restriction_tracker.try_split(fraction_of_remainder) 
   File "/usr/local/lib/python3.7/site-packages/apache_beam/io/iobase.py", line 
1519, 
   in try_split return self.restriction.try_split(fraction_of_remainder) 
   File "/usr/local/lib/python3.7/site-packages/apache_beam/io/iobase.py", line 
1459, in 
   try_split position = self.range_tracker().position_at_fraction(fraction) 
   File 
"/usr/local/lib/python3.7/site-packages/apache_beam/io/range_trackers.py", line 
325, in position_at_fraction return 
self._range_tracker.position_at_fraction(fraction) 
   File 
"/usr/local/lib/python3.7/site-packages/apache_beam/io/range_trackers.py", line 
199, 
   in position_at_fraction 'get_position_for_fraction_consumed is not 
applicable for an 
   ' Exception: get_position_for_fraction_consumed is not applicable for an 
unbounded range
   ```
   ![Screenshot from 2021-08-09 
14-53-40](https://user-images.githubusercontent.com/2764630/128779855-08878cc1-77d9-4e0b-a515-562ddaa730ea.png)
   


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Issue Time Tracking
-------------------

    Worklog Id:     (was: 636125)
    Time Spent: 16h 50m  (was: 16h 40m)

> Implement a BigQuery bounded source using the BigQuery storage API
> ------------------------------------------------------------------
>
>                 Key: BEAM-10917
>                 URL: https://issues.apache.org/jira/browse/BEAM-10917
>             Project: Beam
>          Issue Type: New Feature
>          Components: io-py-gcp
>            Reporter: Kenneth Jung
>            Assignee: Kanthi Subramanian
>            Priority: P3
>          Time Spent: 16h 50m
>  Remaining Estimate: 0h
>
> The Java SDK contains a bounded source implementation which uses the BigQuery 
> storage API to read from BigQuery. We should implement the same for Python.



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