Active or Passive Health Checks: Which Is Right for You?
Active or Passive Health Checks: Which Is Right for You? Just as regular check‑ups with a doctor are an important part of staying healthy, regular checks on the health of your apps are critical for reliable performance. When reverse proxying and load balancing traffic, NGINX uses passive health checks to shield your application users from outages by automatically diverting traffic away from servers that don’t respond to requests. NGINX Plus adds active health checks, sending special probes that can detect unhealthy servers even before they fail to process a request. Which type of health check makes sense for your applications? In this post, we give you the info you need to make that decision. What Is a Health Check? In the most basic sense, a health check is a method for determining whether a server is able to handle traffic. NGINX [ more… ]
