redis.cs

private static Lazy<ConnectionMultiplexer> lazyConnection = new Lazy<ConnectionMultiplexer>(() =>
        {
            return ConnectionMultiplexer.Connect("{redis connection string}");
        });

public static ConnectionMultiplexer Connection => lazyConnection.Value;
private static IDatabase Cache => Connection.GetDatabase();

private T getCacheObj<T>(string key)
{
    return AttemptCacheCall(delegate
    {
        var json = Cache.StringGet(key);
        return JsonConvert.DeserializeObject<T>(json);
    });
}