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Ismaël Mejía commented on BEAM-7230:
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Great to know the singleton static idea works. I created a PR to improve the
documentation for the case of PoolableDataSources.
I also double checked the implementation of `PoolableDataSourceProvider`and it
is doing exactly what it should so I think it should be an issue of
configuration. I think we cannot fix that without an approach that adds tons of
knobs so I am going to propose to deprecate that object and remove it in the
future.
Thanks a lot for all your help and feedback with this issue [~brachi_packter].
I am glad to know you don't need to fork JdbcIO now.
> Using JdbcIO creates huge amount of connections
> -----------------------------------------------
>
> Key: BEAM-7230
> URL: https://issues.apache.org/jira/browse/BEAM-7230
> Project: Beam
> Issue Type: Bug
> Components: runner-dataflow
> Affects Versions: 2.11.0
> Reporter: Brachi Packter
> Assignee: Ismaël Mejía
> Priority: Major
>
> I want to write form DataFlow to GCP cloud SQL, I'm using connection pool,
> and still I see huge amount of connections in GCP SQL (4k while I set
> connection pool to 300), and most of them in sleep.
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