FrankYang0529 commented on PR #17836:
URL: https://github.com/apache/kafka/pull/17836#issuecomment-2490629999
Hi @ahuang98, I updated PR description and following is manually test
results:
1. Setup three controller properties.
```
# path: ./config/kraft/controller1.properties
process.roles=controller
node.id=1
controller.quorum.bootstrap.servers=localhost:9093
listeners=CONTROLLER://:9093
advertised.listeners=CONTROLLER://localhost:9093
controller.listener.names=CONTROLLER
log.dirs=/tmp/kraft-controller-logs-1
```
```
# path: ./config/kraft/controller2.properties
process.roles=controller
node.id=2
controller.quorum.bootstrap.servers=localhost:9093
listeners=CONTROLLER://:9094
advertised.listeners=CONTROLLER://localhost:9094
controller.listener.names=CONTROLLER
log.dirs=/tmp/kraft-controller-logs-2
```
```
# path: ./config/kraft/controller3.properties
process.roles=controller
node.id=3
controller.quorum.bootstrap.servers=localhost:9093
listeners=CONTROLLER://:9095
advertised.listeners=CONTROLLER://localhost:9095
controller.listener.names=CONTROLLER
log.dirs=/tmp/kraft-controller-logs-3
```
2. Format node 1 as first standalone controller and start it.
```
> ./bin/kafka-storage.sh format -t "zuV6tFqAQhSGfFe97O-9cw" --config
./config/kraft/controller1.properties --standalone
Formatting dynamic metadata voter directory /tmp/kraft-controller-logs-1
with metadata.version 4.0-IV0.
> ./bin/kafka-server-start.sh ./config/kraft/controller1.properties
```
3. Format node 2 with no initial controller and start it.
```
> ./bin/kafka-storage.sh format -t "zuV6tFqAQhSGfFe97O-9cw" --config
./config/kraft/controller2.properties --no-initial-controllers --feature
kraft.version=1
Formatting metadata directory /tmp/kraft-controller-logs-2 with
metadata.version 4.0-IV0.
> ./bin/kafka-server-start.sh ./config/kraft/controller2.properties
```
4. Format node 3 with no initial controller and start it.
```
> ./bin/kafka-storage.sh format -t "zuV6tFqAQhSGfFe97O-9cw" --config
./config/kraft/controller3.properties --no-initial-controllers --feature
kraft.version=1
Formatting metadata directory /tmp/kraft-controller-logs-3 with
metadata.version 4.0-IV0.
> ./bin/kafka-server-start.sh ./config/kraft/controller3.properties
```
5. Check cluster status is 1 controller with 2 observers.
```
> ./bin/kafka-metadata-quorum.sh --bootstrap-controller localhost:9093
describe --status
ClusterId: zuV6tFqAQhSGfFe97O-9cw
LeaderId: 1
LeaderEpoch: 1
HighWatermark: 817
MaxFollowerLag: 0
MaxFollowerLagTimeMs: 0
CurrentVoters: [{"id": 1, "directoryId": "zD1nHI9OSyCGu29l3db2yg",
"endpoints": ["CONTROLLER://localhost:9093"]}]
CurrentObservers: [{"id": 2, "directoryId": "vX3tLI_VJKRLAMqJdFUY4Q"},
{"id": 3, "directoryId": "Mk1bbuDgirHiGzOnH4okew"}]
```
6. Add node 2 as controller and check cluster status is 2 controllers and 1
observer.
```
> ./bin/kafka-metadata-quorum.sh --bootstrap-controller localhost:9093
--command-config ./config/kraft/controller2.properties add-controller
Added controller 2 with directory id vX3tLI_VJKRLAMqJdFUY4Q and endpoints:
CONTROLLER://localhost:9094
> ./bin/kafka-metadata-quorum.sh --bootstrap-controller localhost:9093
describe --status
ClusterId: zuV6tFqAQhSGfFe97O-9cw
LeaderId: 1
LeaderEpoch: 1
HighWatermark: 960
MaxFollowerLag: 0
MaxFollowerLagTimeMs: 0
CurrentVoters: [{"id": 1, "directoryId": "zD1nHI9OSyCGu29l3db2yg",
"endpoints": ["CONTROLLER://localhost:9093"]}, {"id": 2, "directoryId":
"vX3tLI_VJKRLAMqJdFUY4Q", "endpoints": ["CONTROLLER://localhost:9094"]}]
CurrentObservers: [{"id": 3, "directoryId": "Mk1bbuDgirHiGzOnH4okew"}]
```
7. Add node 3 as controller and check cluster status is 3 controllers and 0
observer.
```
> ./bin/kafka-metadata-quorum.sh --bootstrap-controller localhost:9093
--command-config ./config/kraft/controller3.properties add-controller
Added controller 3 with directory id Mk1bbuDgirHiGzOnH4okew and endpoints:
CONTROLLER://localhost:9095
> ./bin/kafka-metadata-quorum.sh --bootstrap-controller localhost:9093
describe --status
ClusterId: zuV6tFqAQhSGfFe97O-9cw
LeaderId: 1
LeaderEpoch: 1
HighWatermark: 1123
MaxFollowerLag: 0
MaxFollowerLagTimeMs: 0
CurrentVoters: [{"id": 1, "directoryId": "zD1nHI9OSyCGu29l3db2yg",
"endpoints": ["CONTROLLER://localhost:9093"]}, {"id": 2, "directoryId":
"vX3tLI_VJKRLAMqJdFUY4Q", "endpoints": ["CONTROLLER://localhost:9094"]}, {"id":
3, "directoryId": "Mk1bbuDgirHiGzOnH4okew", "endpoints":
["CONTROLLER://localhost:9095"]}]
CurrentObservers: []
```
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