High availability
Postgres FM
The Importance of Having a High Throughput Environment
If a service is unavailable, but it receives no requests in that time, is it down? Well, I usually consider a service down absorbed by external service. So if from outside, from various points, for example, from various regions or in the world, service cannot be reached. And some simple checks like front page is not responding at all or returning 5xx errors, meaning some problems on server side. This is downtime. Internally, probably we can have everything working in just some network incident happening, which usually affects some small issue with networks. Configuration can lead to huge downtime, huge outage for many customers. For example, sometimes we see AWS or GCP has issues with some recon
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