Zookeeper
metadata fields
Example: configs/config_zookeeper.json
| Field | Required | Description |
|---|---|---|
| zookeeperHosts | Y | zookeeper server address, such as localhost:6380 |
| zookeeperPassword | Y | zookeeper Password |
| sessionTimeout | N | Session timeout,Unit second, same as zookeeper's sessionTimeout |
| logInfo | N | true means zookeeper log messages with info level should be logged; false means only error messages should be logged |
Warning
The sequencer id component of zookeeper is implemented using the version provided by zk. The version cannot exceed int32, and when overflow happens, an error will be returned and error logs will be printed. Nothing else will be processed.
It is recommended that you monitor zookeeper carefully and prevent the overflow.
How to start Zookeeper
If you want to run the zookeeper demo, you need to start a Zookeeper server with Docker first.
command:
docker pull zookeeper
docker run --privileged=true -d --name zookeeper --publish 2181:2181 -d zookeeper:latest
Run layotto
cd ${project_path}/cmd/layotto
go build
If build reports an error, it can be executed in the root directory of the project
go mod vendor
Execute after the compilation is successful:
./layotto start -c ../../configs/config_zookeeper.json
Run Demo
cd ${project_path}/demo/sequencer/zookeeper/
go build -o client
./client