Is your feature request related to a problem? Please describe.
PCR currently uses normal admission control priority, meaning it won't be subject to replication AC. We saw that this can lead to uncontrolled IO overload, as follower writes bypass AC:
Describe the solution you'd like
Lower the admission control work priority of PCR to background here:
Is your feature request related to a problem? Please describe. PCR currently uses normal admission control priority, meaning it won't be subject to replication AC. We saw that this can lead to uncontrolled IO overload, as follower writes bypass AC:
Describe the solution you'd like
Lower the admission control work priority of PCR to background here:
https://github.com/cockroachdb/cockroach/blob/935d796608663c74b726ad42659cd91aa502d11b/pkg/ccl/streamingccl/streamingest/stream_ingestion_processor.go#L992-L995
Jira issue: CRDB-37721