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https://issues.apache.org/jira/browse/FLINK-23495?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17388010#comment-17388010
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Ingo Bürk commented on FLINK-23495:
-----------------------------------
I think such a flag feels more like a workaround. We should find out why the
PubSub connector requires checkpointing and evaluate from there.
> [GCP PubSub] Make checkpoint optional for preview/staging mode
> --------------------------------------------------------------
>
> Key: FLINK-23495
> URL: https://issues.apache.org/jira/browse/FLINK-23495
> Project: Flink
> Issue Type: Improvement
> Components: Connectors / Google Cloud PubSub
> Affects Versions: 1.13.0, 1.13.1
> Reporter: Brachi Packter
> Priority: Major
> Labels: pull-request-available
>
> I'm using PubSub connector with Flink sql.
> The issue that I get all the time error that PubSub required checkpoints, My
> question is if I/you can submit a PR that adds a property that can configure
> PubSub to start without checkpoints, and we can describe that it is just for
> preview/staging mode (interactive sql, Jupiter..)
> Other connectors support starting without checkpoints.
> What will be the impact for this change? I tried it locally and it seems to
> work ok.
> That is the code that always fail the source if no checkpoint is configured,
> i want to add some condition here:
> {code:java}
> if (hasNoCheckpointingEnabled(getRuntimeContext())) {
> throw new IllegalArgumentException( "The PubSubSource REQUIRES Checkpointing
> to be enabled and " + "the checkpointing frequency must be MUCH lower than
> the PubSub timeout for it to retry a message.");
> }
>
> {code}
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