April 2025
Intermediate to advanced
552 pages
17h 42m
Italian
book
Ingegneria dell'affidabilità dei siti
by Niall Richard Murphy, Betsy Beyer, Chris Jones, Jennifer Petoff
Content preview from Ingegneria dell'affidabilità dei siti
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Appendice B. Una raccolta di buone pratiche per i servizi di produzione
Fallire in modo sano
Sanitizza e convalida gli input di configurazione e risponde agli input non plausibili sia continuando a operare nello stato precedente siaavvisando della ricezione di input errati. Gli input errati rientrano spesso in una di queste categorie:
- Dati non corretti
-
Convalida sia la sintassi che, se possibile, la semantica. Controlla i dati vuoti e i dati parziali o troncati (ad esempio, avvisa se la configurazione è N% più piccola della versione precedente).
- Dati in ritardo
-
Questo potrebbe invalidare i dati correnti a causa dei timeout. Avvisa molto prima della scadenza prevista dei dati.
Fallire in modo da preservare il funzionamento, magari a costo di essere troppo permissivi o troppo semplicistici. Abbiamo scoperto che in genere è più sicuro che i sistemi continuino a funzionare con la configurazione precedente e attendano l'approvazione di un umano prima di utilizzare i nuovi dati, magari non validi.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.