In Apigee Hybrid, what is the role of redis component?

[kyisoethinkokyi]

Can anyone help me about explaining the role and use of redis component in apigee hybrid?

Thanks

[dknezic · Accepted solution]

It's used for the spike arrest counter

https://cloud.google.com/apigee/docs/api-platform/develop/comparing-quota-and-spike-arrest-policies

[kyisoethinkokyi]

Thanks a lot @dknezic  for your answer. 

[chetu524]

Is there any option to take backup of redis? 

[dknezic]

Why would you want to take a backup of it? It seems pointless.