Quiz: redundancy

Read the output

What will an active check that requests /healthz every few seconds show for copy 8082?

$ curl -s -o /dev/null -w '%{http_code}\n' http://127.0.0.1:8082/healthz
200
$ curl -s -o /dev/null -w '%{http_code}\n' http://127.0.0.1:8082/
500

• A The copy is sick — the check will take it out.
• B The check will not work while the copy answers 500.
• C The copy is healthy — the check will keep it in service.