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# Service plugin
The service plugin was introduced in the RR `v2.0.5`.
### Main capabilities
1. Execute PHP code, binaries, bash/powershell scripts.
2. Restart after specified amount of time.
3. Control execute time for the particular command.
4. Provide statistic to the `Informer` plugin about `%CPU`, `PID` and used `RSS memory`.
### Config
```yaml
service:
some_service_1:
command: "php tests/plugins/service/test_files/loop.php"
process_num: 10
exec_timeout: 0
remain_after_exit: true
restart_sec: 1
some_service_2:
command: "tests/plugins/service/test_files/test_binary"
process_num: 1
remain_after_exit: true
restart_delay: 1s
exec_timeout: 0
```
Description:
1. Service plugin supports any number of nested commands.
2. `command` - command to execute. There are no limitations on commands here. Here could be binary, PHP file, script,
etc.
3. `process_num` - default: 1, number of processes for the command to fire.
4. `exec_timeout` - default: 0 (unlimited), maximum allowed time to run for the process.
5. `remain_after_exit` - default: false. Remain process after exit. For example, if you need to restart process every 10
seconds
`exec_timeout` should be 10s, and `remain_after_exit` should be set to true. NOTE: if you kill the process from
outside and if `remain_after_exit` will be true, the process will be restarted.
6. `restart_sec` - default: 30 seconds. Delay between process stop and restart.
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