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From "Eugene Kirpichov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-2532) BigQueryIO source should avoid expensive JSON schema parsing for every record
Date Fri, 30 Jun 2017 17:13:00 GMT

    [ https://issues.apache.org/jira/browse/BEAM-2532?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16070428#comment-16070428
] 

Eugene Kirpichov commented on BEAM-2532:
----------------------------------------

[~reuvenlax] I think you had some thoughts about how to make this whole thing much faster?
Or was it for Write?

> BigQueryIO source should avoid expensive JSON schema parsing for every record
> -----------------------------------------------------------------------------
>
>                 Key: BEAM-2532
>                 URL: https://issues.apache.org/jira/browse/BEAM-2532
>             Project: Beam
>          Issue Type: Improvement
>          Components: sdk-java-gcp
>    Affects Versions: 2.0.0
>            Reporter: Marian Dvorsky
>            Assignee: Stephen Sisk
>            Priority: Minor
>
> BigQueryIO source converts the schema from JSON for every input row, here:
> https://github.com/apache/beam/blob/master/sdks/java/io/google-cloud-platform/src/main/java/org/apache/beam/sdk/io/gcp/bigquery/BigQuerySourceBase.java#L159
> This is the performance bottleneck in a simple pipeline with BigQueryIO source.



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