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ClickHouse
ClickHouse
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keeper slow member backpressure 4lw
- #117728
#117728
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kssenii
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ClickHouse/ClickHouse:keeper-backpressure-all-or-nothing
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Sep 11, 2026
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keeper slow member backpressure 4lw
#117728
kssenii
merged 11 commits into
master
ClickHouse/ClickHouse:master
from
keeper-backpressure-all-or-nothing
ClickHouse/ClickHouse:keeper-backpressure-all-or-nothing
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Commits on Sep 2, 2026
Add `bpon`/`bpof` to make the Keeper leader wait for slow replicas
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Report the backpressure only on the leader, and stop waiting for a peer that makes no progress
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Reattach a comment that the backpressure commands separated from `YieldLeadershipCommand`
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Wait for a replica that is receiving a snapshot after a reconnection
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Promise nothing about writes when `bpon` was only sent on to the leader
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Commits on Sep 3, 2026
Stop waiting for a replica that is out of the leader's log range
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Point at the field names `mntr` actually prints
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List the 4LW commands that are actually allowed by default
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Do not promise that `bpon` waits for a non-voting replica
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Commits on Sep 7, 2026
Point at `priority` for a replica that should only not lead
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Commits on Sep 10, 2026
Merge branch 'master' into keeper-backpressure-all-or-nothing
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