Syntax highlighting of 13ec05b ~( devops/redis)

# Redis

## Refs

[The Little Redis Book](https://github.com/karlseguin/the-little-redis-book)

[https://github.com/redis/redis/blob/unstable/redis.conf](https://github.com/redis/redis/blob/unstable/redis.conf)

[https://stackoverflow.com/questions/27735411/understanding-latency-using-redis-cli](https://stackoverflow.com/questions/27735411/understanding-latency-using-redis-cli)

[https://www.compose.com/articles/mastering-redis-high-availability-and-blocking-connections/](https://www.compose.com/articles/mastering-redis-high-availability-and-blocking-connections/)

## Run Redis

```bash
docker volume create redis
docker run --name redis -d \
    --restart=always \
    -v redis:/data \
    -p 127.0.0.1:6379:6379 \
    redis redis-server --appendonly yes
```

## Redis CLI

```bash
docker run --rm redis:5 redis-cli --help

redis-cli -h test.example.com -p 6379 PING

redis-cli -h test.example.com -p 6379 -a secret PING
```

Test latency ([docs](https://redis.io/docs/reference/optimization/latency/))
```bash
redis-cli -h test.example.com -p 6379 --intrinsic-latency 100
```

## Monitor with Grafana

[Redis Plugin](https://grafana.com/grafana/plugins/redis-datasource/?tab=installation)

[Redis Dashboard](https://grafana.com/grafana/dashboards/12776-redis/)

Install plugin
```bash
grafana-cli plugins install redis-datasource
```

Import Dashboard with id `12776`