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https://issues.apache.org/jira/browse/BEAM-7230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16834769#comment-16834769
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Ismaël Mejía commented on BEAM-7230:
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It makes perfect sense as a fix, thanks for sharing. I created a BEAM-7239 to
allow to parametrize the DataSource creation and then we can see if we can add
the singleton implementation as one of the cases.
> 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
> 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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