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From "Daniel Halperin (JIRA)" <j...@apache.org>
Subject [jira] [Closed] (BEAM-1252) BigQueryIO.Read: validate exported files with GCS glob.
Date Thu, 18 May 2017 19:58:04 GMT

     [ https://issues.apache.org/jira/browse/BEAM-1252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Daniel Halperin closed BEAM-1252.
---------------------------------
       Resolution: Not A Problem
    Fix Version/s: Not applicable

> BigQueryIO.Read: validate exported files with GCS glob.
> -------------------------------------------------------
>
>                 Key: BEAM-1252
>                 URL: https://issues.apache.org/jira/browse/BEAM-1252
>             Project: Beam
>          Issue Type: Bug
>          Components: sdk-java-gcp
>            Reporter: Pei He
>            Assignee: Pei He
>             Fix For: Not applicable
>
>
> BigQuery has started creating user-visible temp files that we notice and start reading
from, but then they get moved. It could cause job failures and data duplication.
> On Beam side, we can have stronger validation:
> 1. When listing files, validate that they match the expected URI.
> 2. When BQ has finished job, integrity check to verify that # files read from == # files
BQ claims exist.
> 3. If possible, add a prefix to the filename of the glob (*.avro to step*.avro). Step
name? Other? This might be as easy as dropping a '/' in the middle of the path. A la #7.



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