31927600024
76%

Ran 16 Aug 2026 05:56AM UTC

Jobs 1

Files 67

Run time 1min

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Committed 14 Aug 2026 09:14AM UTC coverage: 75.99% (-0.6%) from 76.577%

Build # 31927600024

Build Type

push

github

Committed by

web-flow

Commit Message

(2.15) [FIXED] Migration added offline peers & removed peers before catchup (#8460)

This PR fixes two remaining issues, and removes the final two FIXMEs:

- Migrations would add peers as fast as possible, without checking
whether the peer being added was even online. Adding an offline peer
grows the quorum size, which could drop the group out of quorum until
enough nodes came online. `selectPeerToAdd` now prefers the candidate
we've heard from most recently, and only adds an unheard peer if the
live members still reach quorum in the grown group.
- Migrations also didn't wait for upper-layer stream catchup to complete
before removing old peers. An old peer is now only removed if the group
left after the removal retains a store-current majority, based on
`Current`/`Lag` and the stream's active `catchupPeers`.

Follow-up of https://github.com/nats-io/nats-server/pull/8432

Coverage Stats

73186 of 96310 relevant lines covered (75.99%)

487529.74 hits per line

Coverage Regressions

Lines	Coverage	∆	File
1420	83.56	0.52%	src/github.com/nats-io/nats-server/server/jetstream_cluster.go
865	71.93	-2.85%	src/github.com/nats-io/nats-server/server/jetstream_api.go
797	86.29	-0.28%	src/github.com/nats-io/nats-server/server/stream.go
643	80.85	1.92%	src/github.com/nats-io/nats-server/server/raft.go
368	85.24	-0.85%	src/github.com/nats-io/nats-server/server/server.go
284	78.69	-8.26%	src/github.com/nats-io/nats-server/server/accounts.go
272	84.5	-0.6%	src/github.com/nats-io/nats-server/server/jetstream.go
125	84.79	-0.43%	src/github.com/nats-io/nats-server/server/events.go
95	70.39	-0.01%	src/github.com/nats-io/nats-server/server/monitor.go
90	76.23	-6.73%	src/github.com/nats-io/nats-server/server/auth.go
90	57.94	-0.33%	src/github.com/nats-io/nats-server/server/jetstream_errors_generated.go
78	49.22	-15.18%	src/github.com/nats-io/nats-server/server/dirstore.go
63	43.98	-32.98%	src/github.com/nats-io/nats-server/server/jwt.go
35	62.3	-0.36%	src/github.com/nats-io/nats-server/server/opts.go
28	87.84	-0.51%	src/github.com/nats-io/nats-server/server/client.go
19	79.19	-0.14%	src/github.com/nats-io/nats-server/server/filestore.go
14	87.71	0.31%	src/github.com/nats-io/nats-server/server/consumer.go
9	82.15	-0.36%	src/github.com/nats-io/nats-server/server/route.go
5	44.65	-0.42%	src/github.com/nats-io/nats-server/server/websocket.go
4	93.76	-0.08%	src/github.com/nats-io/nats-server/server/gateway.go
4	76.62	0.04%	src/github.com/nats-io/nats-server/server/leafnode.go
4	86.07	-1.64%	src/github.com/nats-io/nats-server/server/util.go
2	98.58	0.0%	src/github.com/nats-io/nats-server/server/jetstream_versioning.go
2	72.32	0.05%	src/github.com/nats-io/nats-server/server/memstore.go
2	81.76	0.19%	src/github.com/nats-io/nats-server/server/parser.go

Jobs

ID	Job ID	Ran	Files	Coverage
1	31927600024.1	16 Aug 2026 05:56AM UTC	67	75.99	GitHub Action Run

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