
Veteran IT executive, writer, speaker. Still codes. Author of blog, 'CTO/CIO Perspectives'. On Mastodon at @peterkretzman@mas.to. Threads at @pktm@threads.net
Seattle, WA
Joined February 2009
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Replying to @underneathness
"Disagreement is central to progress; our best partners are active challengers." HT @underneathness is.gd/cMrN4k #NoEstimates?
An unfortunately common technical pattern:
Q: You had said you'd complete this last Friday. It's not complete; how much longer do you now expect?
A: <provides a spate of minute technical details, and doesn't answer the actual question>
#NoEstimates?
As with politicians: when you see a pattern of overt and extreme misrepresentations like this one from Yaccarino, there’s absolutely no reason to trust *anything* the person says. Investors and customers should (and do) run away.
Well, I downloaded and started looking at Threads. What’s interesting is that I have extremely low overlap with people I’m
connected to on Instagram and people I’ve tended to converse with on Twitter.
Not to mention the 50 new groundbreaking products/technologies that will be introduced this quarter, obviating a chunk of those 200 items.
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Peter Kretzman retweeted
The puzzle below is a famous cautionary tale in math. But there's more to it than just coincidence, and on the YouTube version, we dig into what's really going on.
Full explanation: youtu.be/YtkIWDE36qU
Peter Kretzman retweeted
This is weird to say out loud, but I actually am kinda an expert in rate limiting, so I'm gonna explain some stuff.
About half of incidents in large-scale production systems involve having more requests than you can serve. There are two categories of this kind of incident:
What is it about our industry that makes folks so susceptible to being told that some new technology or technique will magically give them 10x-100x productivity? The latest example:
Peter Kretzman retweeted
Evergreen Tweet thread from @Chronotope:
xitter.cf/Chronotope/status/1078…
The numbers are all fking fake, the metrics are bullshit, the agencies responsible for enforcing good practices are knowing bullshiters enforcing and profiting off all the fake numbers and none of the models make sense at scale of actual human users. nymag.com/intelligencer/2018…
Summer schoolwork: great idea to have kids’ skills not deteriorate over the vacation.
But why are they asking a 12-year-old to do coloring as part of some exercises?
Today’s observation from the trenches, on IT planning: the road to hell is paved with little cobblestones that state things like “we need more time to evaluate.”
Don’t be fooled by the title of this trenchant article. Its point is something else entirely.
“geeks think they are rational beings, while they are completely influenced by buzz, marketing, and their emotions.” bitecode.dev/p/hype-cycles

















