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changefeedccl: make a changefeed setting for sink IO workers #154546

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#156260
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changefeedccl: make a changefeed setting for sink IO workers#154546
#156260
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A-cdcChange Data CaptureC-enhancementSolution expected to add code/behavior + preserve backward-compat (pg compat issues are exception)E-easyEasy issue to tackle, requires little or no CockroachDB experienceO-supportWould prevent or help troubleshoot a customer escalation - bugs, missing observability/tooling, docsT-cdc
@KeithCh

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@KeithCh
KeithCh
opened on Oct 1, 2025

We currently have a cluster setting changefeed.sink_io_workers for configuring the number of workers in the parallel IO instance.

We should have a changefeed setting to allow this to be configured on a per-feed basis, and use the min of the two values if they're different.

Jira issue: CRDB-54990

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    A-cdcChange Data CaptureC-enhancementSolution expected to add code/behavior + preserve backward-compat (pg compat issues are exception)E-easyEasy issue to tackle, requires little or no CockroachDB experienceO-supportWould prevent or help troubleshoot a customer escalation - bugs, missing observability/tooling, docsT-cdc

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