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Posted to commits@beam.apache.org by "Marian Dvorsky (JIRA)" <ji...@apache.org> on 2017/06/28 16:55:00 UTC

[jira] [Created] (BEAM-2532) BigQueryIO source should avoid expensive JSON schema parsing for every record

Marian Dvorsky created BEAM-2532:
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             Summary: 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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