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Posted to issues@beam.apache.org by "Heejong Lee (JIRA)" <ji...@apache.org> on 2019/01/15 23:36:00 UTC

[jira] [Created] (BEAM-6443) decrease the number of thread for BigQuery streaming insertAll

Heejong Lee created BEAM-6443:
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             Summary: decrease the number of thread for BigQuery streaming insertAll
                 Key: BEAM-6443
                 URL: https://issues.apache.org/jira/browse/BEAM-6443
             Project: Beam
          Issue Type: Improvement
          Components: io-java-gcp
            Reporter: Heejong Lee
            Assignee: Heejong Lee


When inserting (a large number of ) very small elements into BigQuery via streaming insertAll, BigQueryIO causes lots of quota exceeded errors. This implies that 1) BigQueryIO puts unnecessary overheads on BigQuery API layer by sending requests too fast 2) log file becomes very big because of repeated same error messages. Currently we use 50 shards for writing data into BigQuery and in each bundle 20-30 futures are executed simultaneously with unlimited thread pool. It would be worth investigating whether just single thread pool is sufficient for running concurrent insertAll.



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