Onagre checks that your databases are reachable, responsive and returning the data your applications rely on.
A database that answers a ping can still be in trouble — a table that's empty when it shouldn't be, a queue piling up, a value drifting out of range. Onagre runs a real query on the interval you choose and checks the result against what you expect, so problems surface before your application feels them.
Your databases almost always live on a private network. A private agent connects to them from the inside and sends only the result back to Onagre — your credentials stay encrypted and never leave your environment in clear text.
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