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Doug Bryant 8df8e9cb6e cmd/containerboot: rate-limit IPN bus netmap notifications 
CPU profiling a containerboot subnet router on a large tailnet showed
roughly 40% of CPU spent in serveWatchIPNBus JSON-encoding the full
netmap on every update. containerboot only reads SelfNode fields from
those notifications (and does a peer lookup when TailnetTargetFQDN is
set), so it does not need every intermediate netmap delta.

Set ipn.NotifyRateLimit on all three WatchIPNBus calls so netmap
notifications are coalesced to one per 3s. Initial-state delivery is
unaffected since the rateLimitingBusSender flushes the first send
immediately.

Updates #cleanup

Signed-off-by: Doug Bryant <dougbryant@anthropic.com>
2026-04-07 16:03:15 -07:00
..
addlicense all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
build-webclient all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
checkmetrics all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
cigocacher cmd/cigocacher: make --stats flag best-effort (#18761) 2026-02-19 16:06:12 +00:00
cloner cmd/cloner, cmd/viewer: handle named map/slice types with Clone/View methods 2026-04-05 20:20:32 -07:00
connector-gen all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
containerboot cmd/containerboot: rate-limit IPN bus netmap notifications 2026-04-07 16:03:15 -07:00
derper derp/derpserver: add per-connection receive rate limiting (#19222) 2026-04-07 18:40:41 -04:00
derpprobe all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
dist all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
distsign all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
featuretags all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
get-authkey all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
gitops-pusher cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
hello all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
jsonimports all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
k8s-nameserver cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
k8s-operator cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
k8s-proxy types/ptr: deprecate ptr.To, use Go 1.26 new 2026-03-05 20:13:18 -08:00
mkmanifest all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
mkpkg all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
mkversion all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
nardump all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
natc all: use bart.Lite instead of bart.Table where appropriate 2026-03-24 14:45:23 +00:00
netlogfmt all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
nginx-auth all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
omitsize all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
pgproxy all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
printdep cmd/printdep: add --next flag to use rc Go build hash instead 2026-01-27 14:49:56 -08:00
proxy-test-server all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
proxy-to-grafana all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
sniproxy all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
speedtest all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
ssh-auth-none-demo ssh: replace tempfork with tailscale/gliderssh 2026-04-07 11:59:38 +01:00
stunc all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
stund derp,types,util: use bufio Peek+Discard for allocation-free fast reads (#19067) 2026-03-24 10:52:20 -04:00
stunstamp all: use Go 1.26 things, run most gofix modernizers 2026-03-06 13:32:03 -08:00
sync-containers all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
systray all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
tailscale ipn/localapi, cli, clientmetric: add ipnbus feature tag; fix omit.go stub 2026-04-07 10:22:37 -07:00
tailscaled ipn/desktop: move behind feature/condregister 2026-04-07 11:37:47 -07:00
testcontrol all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
testwrapper cmd/testwrapper: make test tolerant of a GOEXPERIMENT being set 2026-03-06 14:05:35 -08:00
tl-longchain all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
tsconnect go.toolchain.branch: switch to Go 1.26 2026-03-04 21:57:05 -08:00
tsidp cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
tsshd all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
tta tstest: add test for connectivity to off-tailnet CGNAT endpoints 2026-04-02 14:44:40 -04:00
vet cmd/vet: add subtestnames analyzer; fix all existing violations 2026-04-05 15:52:51 -07:00
viewer cmd/cloner, cmd/viewer: handle named map/slice types with Clone/View methods 2026-04-05 20:20:32 -07:00
vnet all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00
xdpderper all: remove AUTHORS file and references to it 2026-01-23 15:49:45 -08:00