3 ms·
How much money do you lose (say... per second) when you have a minor (few seconds) of service interruption when switching to a hot fail-over RDBMS and waiting f
by im_down_w_otp 10y ago
How much money do you lose (say... per second) when you have a minor (few seconds) of service interruption when switching to a hot fail-over RDBMS and waiting for it to be promoted to master?
- Sphax 10y agoWe don't bill per second, so this really doesn't apply. Our customers see it almost instantly if we're down though, so it matters a lot. Besides, that switch you're talking about just doesn't work out of the box. We never had any success with failover on our Galera cluster. Now, I'm not saying it's not doable, because I'm sure some teams have this work flawlessly. My point is that with Cassandra, it works out of the box without problems.
- im_down_w_otp 10y agoIf you can't measure the actual impact, or don't know it, then it's hard for me to believe that it matters in any other terms than you'd really like it to matter. For instance Twitter going down would be annoying, but global air traffic control going down would "matter". Which I think might somewhat align with the original article's sentiment. Part of the hype cycle is driven by a hubris that we often engage in. Which is that we want our problems to be bigger and more important than they might actually be.
- Sphax 10y agoYou're free to believe it or not, fact is our customers require that uptime. If that requires me to use some "hype" technologies then so be it.