dyanacek

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1.
by dyanacek 5y ago
Yes! LIFO is a fantastic improvement. This suggestion is buried in the article a bit. Maybe I should have elevated it, or maybe broken it into more pieces. There’s so much to talk about on this topic. But yeah, LIFO is totally “This one wei
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by dyanacek 5y ago
Good point around avoiding the call in the first place. This is a very tricky topic, I’ve found. Things that try to guess the nuanced health of a dependency can lead to outages when they guess wrong. These circuit breakers are helpful if th
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by dyanacek 5y ago
These remain as great techniques! Even iptables like you mention - it’s extremely good at cheaply shedding new handshakes, vs later on in processing the request. You lose a little visibly, but it’s a powerful outer “layer of the onion”. And
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by dyanacek 5y ago
Agreed - utilization is an important consideration here. The capacity red line will still be there, but when load shedding is effective, the impact of crossing that red line is les. It’d be an error rate linearly proportionally to the exces
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by dyanacek 5y ago
It’s a tricky topic because load shedding is a last resort that kicks in when there’s already a problem. So until auto scaling catches up or the issue is mitigated some other way, we try to make as many customers happy as possible, rather t
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by dyanacek 5y ago
This is a great way to describe it! I gave a similar example of pagination and how the later pages might be better to prioritize over initial pagination requests, but your example is a nicer illustration. Thanks for that! There’s also someo
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by dyanacek 7y ago
Good point. We should use more images. I’ll think about where we can add some for clarity! Now that we’ve done a bunch of talks at reinvent in these topics, we should have some that we can incorporate easily.
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by dyanacek 7y ago
One of the authors here. I agree with all the folks’ suggestions here! When I was in college, I took extra writing courses beyond what was required for an engineering degree (they counted toward general humanities credits I think). People a