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https://issues.apache.org/jira/browse/BEAM-13595?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Anand Inguva reassigned BEAM-13595:
-----------------------------------
Assignee: Anand Inguva (was: Ryan Thompson)
> Disable save_main_session when using cloudpickle
> ------------------------------------------------
>
> Key: BEAM-13595
> URL: https://issues.apache.org/jira/browse/BEAM-13595
> Project: Beam
> Issue Type: New Feature
> Components: sdk-py-core
> Reporter: Ryan Thompson
> Assignee: Anand Inguva
> Priority: P3
>
> [save_main_session|https://github.com/apache/beam/blob/17b62ad9e050f80a88793457aee710ea4711d47b/sdks/python/apache_beam/options/pipeline_options.py#L1089]
> is a flag in the python sdk that is used by the dill library to save all
> classes/variables/lambas in memory.
>
> When the cloudpickle library is used, no session is saved (it is a no op).
> However, if the runner sees the save_main_session option set it may try to
> access/move/manager the save_main_session saved file.
>
> To avoid this, when cloudpickle is the main library save_main_session should
> be false.
>
> See also:
> https://issues.apache.org/jira/browse/BEAM-13386
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