Thinking About Availability Group Outages

Brent Ozar reminds us to think about graceful degradation of applications:

There’s a gray bar across the top that says, “This site is currently in read-only mode; we’ll return with full functionality soon.”

That’s not a hidden feature of Always On Availability Groups. Rather, it’s a hidden feature of really dedicated developers whose application:

This is where a bit of foresight and hard work can really pay off.  Read the whole thing.

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Finding Queries to Cache In-App

Brent Ozar provides guidance on the types of queries you might want to cache in your application: Question 2: Will out-of-date data really hurt? Some data absolutely, positively has to be up to the millisecond, but you’d be surprised how often I see data frequently queried out of the database when the freshness doesn’t really matter. […]

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Problems Distributed Systems Experience

RJ Zaworski gives us examples of the types of problems you can run into with distributed systems: Time limits: ending the neverendingHere’s one to ponder: how long can a long-running action go on before the customer (even a very patient, very digital customer) loses all interest in the outcome?Pull up a chair. With no upper […]

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