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Use AckExplicitPolicy instead of AckAllPolicy (#3288)

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Fixes https://github.com/matrix-org/dendrite/issues/3240 and potentially
a root cause for state resets.

While testing, I've had added some more debug logging:
```
time="2023-12-16T18:13:11.319458084Z" level=warning msg="already processed event" event_id="$qFYMl_F2vb1N0yxmvlFAMhqhGhLKq4kA-o_YCQKH7tQ" kind=KindNew times=2
time="2023-12-16T18:13:14.537389126Z" level=warning msg="already processed event" event_id="$EU-LTsKErT6Mt1k12-p_3xOHfiLaK6gtwVDlZ35lSuo" kind=KindNew times=5
time="2023-12-16T18:13:16.789551206Z" level=warning msg="already processed event" event_id="$dIPuAfTL5x0VyG873LKPslQeljCSxFT1WKxUtjIMUGE" kind=KindNew times=5
time="2023-12-16T18:13:17.383838767Z" level=warning msg="already processed event" event_id="$7noSZiCkzerpkz_UBO3iatpRnaOiPx-3IXc0GPDQVGE" kind=KindNew times=2
time="2023-12-16T18:13:22.091946597Z" level=warning msg="already processed event" event_id="$3Lvo3Wbi2ol9-nNbQ93N-E2MuGQCJZo5397KkFH-W6E" kind=KindNew times=1
time="2023-12-16T18:13:23.026417446Z" level=warning msg="already processed event" event_id="$lj1xS46zsLBCChhKOLJEG-bu7z-_pq9i_Y2DUIjzGy4" kind=KindNew times=4
```

So we did receive the same event over and over again. Given they are
`KindNew`, we don't short circuit if we already processed them, which
potentially caused the state to be calculated with a now wrong state
snapshot.

Also fixes the back pressure metric. We now correctly increment the
counter once we sent the message to NATS and decrement it once we
actually processed an event.
This commit is contained in:
Till 2023-12-19 08:25:47 +01:00 • committed by GitHub
parent d65449c782
commit f93d1c4790
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5 changed files with 158 additions and 47 deletions
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18
go.mod
View file

@ -26,8 +26,8 @@ require (
github.com/matrix-org/pinecone v0.11.1-0.20230810010612-ea4c33717fd7
github.com/matrix-org/util v0.0.0-20221111132719-399730281e66
github.com/mattn/go-sqlite3 v1.14.17
github.com/nats-io/nats-server/v2 v2.9.23
github.com/nats-io/nats.go v1.28.0
github.com/nats-io/nats-server/v2 v2.10.7
github.com/nats-io/nats.go v1.31.0
github.com/neilalexander/utp v0.1.1-0.20210727203401-54ae7b1cd5f9
github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
github.com/opentracing/opentracing-go v1.2.0
@ -42,12 +42,12 @@ require (
github.com/uber/jaeger-lib v2.4.1+incompatible
github.com/yggdrasil-network/yggdrasil-go v0.4.6
go.uber.org/atomic v1.10.0
golang.org/x/crypto v0.14.0
golang.org/x/crypto v0.16.0
golang.org/x/exp v0.0.0-20230809150735-7b3493d9a819
golang.org/x/image v0.10.0
golang.org/x/mobile v0.0.0-20221020085226-b36e6246172e
golang.org/x/sync v0.3.0
golang.org/x/term v0.13.0
golang.org/x/term v0.15.0
gopkg.in/h2non/bimg.v1 v1.1.9
gopkg.in/yaml.v2 v2.4.0
gotest.tools/v3 v3.4.0
@ -94,7 +94,7 @@ require (
github.com/json-iterator/go v1.1.12 // indirect
github.com/juju/errors v1.0.0 // indirect
github.com/kballard/go-shellquote v0.0.0-20180428030007-95032a82bc51 // indirect
github.com/klauspost/compress v1.16.7 // indirect
github.com/klauspost/compress v1.17.4 // indirect
github.com/mattn/go-colorable v0.1.13 // indirect
github.com/mattn/go-isatty v0.0.17 // indirect
github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
@ -104,7 +104,7 @@ require (
github.com/modern-go/reflect2 v1.0.2 // indirect
github.com/morikuni/aec v1.0.0 // indirect
github.com/mschoch/smat v0.2.0 // indirect
github.com/nats-io/jwt/v2 v2.5.0 // indirect
github.com/nats-io/jwt/v2 v2.5.3 // indirect
github.com/nats-io/nkeys v0.4.6 // indirect
github.com/nats-io/nuid v1.0.1 // indirect
github.com/onsi/ginkgo/v2 v2.11.0 // indirect
@ -124,9 +124,9 @@ require (
go.etcd.io/bbolt v1.3.6 // indirect
golang.org/x/mod v0.12.0 // indirect
golang.org/x/net v0.17.0 // indirect
golang.org/x/sys v0.13.0 // indirect
golang.org/x/text v0.13.0 // indirect
golang.org/x/time v0.3.0 // indirect
golang.org/x/sys v0.15.0 // indirect
golang.org/x/text v0.14.0 // indirect
golang.org/x/time v0.5.0 // indirect
golang.org/x/tools v0.12.0 // indirect
google.golang.org/protobuf v1.30.0 // indirect
gopkg.in/macaroon.v2 v2.1.0 // indirect