Live polling dashboard

Server prefetches initial values, useQuery takes over with refetchInterval. The dot pulses every time react-query refetches in the background — values update without a loading flash.

updated 0.0s agointerval:

active users

1,176

req/sec

821

cpu

44%

memory

552 MB

error rate

0.36%

server time

3:15:06 AM

Open Network → Fetch/XHR. You'll see one getMetrics request per interval. Hit pause and the requests stop. Switch tabs and they pause too (refetchIntervalInBackground: false) — react-query is well-behaved about wasted work.