Many sectors suffered during the COVID-19 pandemic, but the travel and hospitality industry was struck particularly hard as the world went into lockdown and governments urged us to stay home. According to the International Air Transport Association, global air passenger demand in 2020 was down a record 65.9% from the previous year, and the tourism industry saw an estimated loss of 100.8 million jobs worldwide.

Monitoring solutions are a vital component in managing an application’s environment. From the systems layer all the way up to the end user’s connection to the app, you want to find out how the platform is performing. Indicators like CPU, memory, the number of connections, and overall health help teams make informed decisions for guaranteeing uptime. Teams monitor metrics (short-term information) and logs (long-term information) mainly from a reactive perspective.

“SLO is a favorite word of SREs,” Grafana Labs Principal Software Engineer Björn “Beorn” Rabenstein said during his talk at KubeCon + CloudNativeCon NA 2019. “Of course, it’s also great for design decisions, to set the right goals, and to set alerting in the right way. It’s everything that is good.” So what happens when things go bad?