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https://issues.apache.org/jira/browse/BEAM-8222?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16930341#comment-16930341
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Ismaël Mejía commented on BEAM-8222:
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Any comments on this [~chamikara] ?

> Consider making insertId optional in BigQuery.insertAll
> -------------------------------------------------------
>
>                 Key: BEAM-8222
>                 URL: https://issues.apache.org/jira/browse/BEAM-8222
>             Project: Beam
>          Issue Type: New Feature
>          Components: io-java-gcp
>            Reporter: Boyuan Zhang
>            Priority: Major
>
> Current implementation of 
> StreamingWriteFn(https://github.com/apache/beam/blob/c2f0d282337f3ae0196a7717712396a5a41fdde1/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/StreamingWriteFn.java#L102)
>  sets insertId from input element, which is added an uniqueId by 
> https://github.com/apache/beam/blob/c2f0d282337f3ae0196a7717712396a5a41fdde1/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/TagWithUniqueIds.java#L53.
>  Users report that if leaving insertId as empty, writing will be extremely 
> speeded up. Can we add an bqOption like, nonInsertId and emit empty id based 
> on this option?



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