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kvclient: stop reads on followers #114155

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andrewbaptist
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Stop follower reads on draining, decommissioning or unhealthy nodes.

Epic: none
Fixes: #112351

Release note (performance improvement): This change prevents failed requests from being issued on followers that are draining, decommissioning or unhealthy which prevents latency spikes if those nodes later go offline.

@andrewbaptist andrewbaptist requested a review from a team as a code owner November 9, 2023 15:57
@andrewbaptist andrewbaptist requested a review from a team November 9, 2023 15:57
@andrewbaptist andrewbaptist requested a review from a team as a code owner November 9, 2023 15:57
@andrewbaptist andrewbaptist requested review from DrewKimball and removed request for a team November 9, 2023 15:57
@cockroach-teamcity
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This change is Reviewable

Stop follower reads on draining, decommissioning or unhealthy nodes.

Epic: none
Fixes: cockroachdb#112351

Release note (performance improvement): This change prevents failed
requests from being issued on followers that are draining,
decommissioning or unhealthy which prevents latency spikes if those
nodes later go offline.
@andrewbaptist andrewbaptist deleted the 23-2-follower-read branch December 15, 2023 21:36
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2 participants