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@wenyihu6 wenyihu6 commented Jan 7, 2026

This commit increases node CPU from 8 to 16 vCPUs to provide additional headroom.
This extra capacity helps absorb the overhead introduced by the new yield in the AC
pacer, which may trigger on every changefeed event
cockroach/pkg/ccl/changefeedccl/event_processing.go.

Fixes: #157216
Epic: none

This commit increases node CPU from 8 to 16 vCPUs to provide
additional headroom. This extra capacity helps absorb the
overhead introduced by the new yield in the AC pacer, which
may trigger on every changefeed event
cockroach/pkg/ccl/changefeedccl/event_processing.go.
@wenyihu6 wenyihu6 requested a review from stevendanna January 7, 2026 19:14
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wenyihu6 commented Jan 7, 2026

I'm not fully confident on whether this is a fix, but putting this up for some discussion.

@wenyihu6 wenyihu6 marked this pull request as ready for review January 7, 2026 19:20
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I'm up for trying it! Have you tried it locally at all? (Also happy to just merge this and see if it clears things up).

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wenyihu6 commented Jan 8, 2026

@wenyihu6
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wenyihu6 commented Jan 8, 2026

It passed. TFTR!

bors r+

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craig bot commented Jan 8, 2026

@craig craig bot merged commit 2b9d89f into cockroachdb:master Jan 8, 2026
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roachtest: kv-rangefeed/write-rate=10000/sink-rate=12000/catchup=5m0s/splits=1000 failed

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