Increaese instance bandwidth without changing instance type?

Question

Hi,
We have a manual setup redis ec2 instance that is maxing out the baseline bandwidth allocated for the instance, but we do not need higher CPU/Mem for the instance, what are our options? We aren't able to use ElasticCache it does not fit our budget range.

```
ubuntu@ip-10-0-0-98:~$ ethtool -S ens5
NIC statistics:
     tx_timeout: 0
     suspend: 0
     resume: 0
     wd_expired: 0
     interface_up: 2
     interface_down: 1
     admin_q_pause: 0
     bw_in_allowance_exceeded: 333
     bw_out_allowance_exceeded: 303473
```

Also, there seems to be not where to lookup what this invisible network "credit balance" unlikely CPU, EBS disk balance?

Accepted Answer

The available network bandwidth of an instance depends on the number of vCPUs that it has. The EC2 user guide has links describing the performance of different instance types. https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-network-bandwidth.html

You could also consider scaling horizontally, by adding an instance. This would also give you an opportunity to use multiple availability zones and remove a single point of failure.

Increaese instance bandwidth without changing instance type?

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