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Posted to commits@beam.apache.org by "Charles Chen (JIRA)" <ji...@apache.org> on 2017/09/25 22:59:00 UTC

[jira] [Created] (BEAM-2988) PubSub subscriptions automatically created in Python DirectRunner not reliably cleaned up

Charles Chen created BEAM-2988:
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             Summary: PubSub subscriptions automatically created in Python DirectRunner not reliably cleaned up
                 Key: BEAM-2988
                 URL: https://issues.apache.org/jira/browse/BEAM-2988
             Project: Beam
          Issue Type: Bug
          Components: sdk-py-core
            Reporter: Charles Chen
            Assignee: Ahmet Altay
            Priority: Minor


In the Python DirectRunner, we attempt to garbage-collect automatically-created PubSub subscriptions here (https://github.com/apache/beam/blob/446f311746b74bdfb420ba71d76097d683fde9a1/sdks/python/apache_beam/runners/direct/transform_evaluator.py#L370).  However, this mechanism may not succeed, since it is called on the __del__ method when other references may have already been garbage-collected.  We should further investigate the mechanism here and attempt to make it more reliable.



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