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Posted to commits@airflow.apache.org by "Tobias Kaymak (JIRA)" <ji...@apache.org> on 2019/07/30 12:36:00 UTC

[jira] [Created] (AIRFLOW-5072) gcs_hook causes out-of-memory error when downloading huge files

Tobias Kaymak created AIRFLOW-5072:
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             Summary: gcs_hook causes out-of-memory error when downloading huge files
                 Key: AIRFLOW-5072
                 URL: https://issues.apache.org/jira/browse/AIRFLOW-5072
             Project: Apache Airflow
          Issue Type: Bug
          Components: gcp
    Affects Versions: 1.10.3
            Reporter: Tobias Kaymak


Possibly there is an "else" missing here, but the gcs_hook's `download` method *always* downloads a blob as a string even when a filename was supplied. This causes the method to take twice as long when a filename is supplied and for huge blob's causes out of memory errors.

I think that there is an else missing?

https://github.com/apache/airflow/blob/05c01a97497e992c7d8b05a39a7855343dee1603/airflow/contrib/hooks/gcs_hook.py#L176



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