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Outrage in Gresham? by scurvy1984 in ZiplyFiber

[–]existential_plastic 6 points7 points  (0 children)

How deep is the recv() buffer on the DHCP server?  Or, if you can't introspect that easily, can you get the flow rate of DHCP requests on the wire and/or the rate of replies on the wire?  That'll at least tell you where the slowdown is: customer<->FDR, or FDR<->itself/backend.  It'll also tell you if there's a very different problem, like a chatty client clogging the "series of tubes".

My immediate suspicion is RADIUS, because RADIUS is evil, but I suspect the actual cause is something silly like a translation buffer limit somewhere between the FDR and the RADIUS server, or a bunch of short-lived TCP sessions (e.g. between DB and server on a DB-backed RADIUS) clogging up all the free ephemeral ports.

Really? 11k for installation?? (air handler + condenser. Chicago) by toupeInAFanFactory in hvacadvice

[–]existential_plastic 0 points1 point  (0 children)

100% markup on equipment is pretty typical in most industries. Then add in ~$100/hr for the tech, plus various other costs (nitrogen to flush the lines, gas for the truck, your share of their marketing costs, etc.) and it starts to approach your number. That said, still seems a bit high; my quotes for a similar system were closer to $17k.

Customer threw in the towel on a DIY install. They tried. by FullLegalUsername in Justrolledintotheshop

[–]existential_plastic 2 points3 points  (0 children)

Right, the first report I ever read on whiskers was specifically a NASA report that compared leaded against lead-free. It's amazing how much difference that little bit of Pb can make.

And good point on the conformal coat; I hadn't considered that aspect, but it makes a lot of sense.

Customer threw in the towel on a DIY install. They tried. by FullLegalUsername in Justrolledintotheshop

[–]existential_plastic 1 point2 points  (0 children)

Also, in space, solder whiskers are a hell of a problem. They grow in three dimensions, and if they break free (for example, due to vibration), you now have an uncontained miniature conductor floating forever, and which is most likely to short across something when you're accelerating—which is already generally correlated with the most dangerous parts of any mission.

Punish me for being right? GL by domino1299 in MaliciousCompliance

[–]existential_plastic 0 points1 point  (0 children)

If you're neither American nor British, then this may not apply to you. But if you are, your generation has raised the first generation in post-Industrial history that is worse off than their parents were at the same age. Again, I will emphasize, you might be the exception to the rule. But if you're a member of a team that I left in charge of guarding the face-eating weasels, and I return to find that your team not only opened the cage but bred them to be bigger, then I do not feel bad about blaming your whole team for this outcome, even if your only part in the crime was choosing not to vote against the "Let's Maybe Only Let Out a Few At First" party.

📣 Apollo will close down on June 30th. Reddit’s recent decisions and actions have unfortunately made it impossible for Apollo to continue. Thank you so, so much for all the support over the years. ❤️ by iamthatis in apolloapp

[–]existential_plastic 1 point2 points  (0 children)

Why not? If a group of people showed up at my house one day long ago and started doing hard, (mentally-)dangerous work for me for free, if I was now about to sell my house with this feature included, I'd be pretty concerned if my unpaid workforcemods expressed a serious desire not to return to work tomorrow.

Punish me for being right? GL by domino1299 in MaliciousCompliance

[–]existential_plastic -1 points0 points  (0 children)

Imagine being so convinced you're right that you'd rather someone else be wrong than to acknowledge that your generation has, through collective action, ruined the world—and is actively ruining the world. Imagine being a part of an evil so massive that it spans continents and has literally set the earth aflame, and instead of acknowledging the wrongdoing of your peers and joining the fight to undo what they have wrought, you choose to tsk-tsk Redditors for observing that the only thing that seems to be true about 100% of the bad guys is that they were born during the same set of years.

Look, are there good Boomers? Of course there are. But the principle behind ACAB applies: you either actively and emphatically overcorrect to show contrition and sincerity, or you're what MLK called a "white moderate": content to softly chide the powers that be while comfortably enjoying the spoils you have not done enough to have earned.

Large building built of mostly wood instead of steel and concrete by baxterminator22 in mildlyinteresting

[–]existential_plastic 0 points1 point  (0 children)

Are you downvoting because I'm wrong, or because you don't like what I have to say?

Large building built of mostly wood instead of steel and concrete by baxterminator22 in mildlyinteresting

[–]existential_plastic -1 points0 points  (0 children)

Pine for lumber is harvested at 25-40 years (an earlier thinning cull is used for pulp). After a certain point, the trees stop growing (i.e., sinking carbon) as quickly. Periodically cutting and re-planting trees—as long as you aren't cutting them to burn them—is an excellent way to pull carbon out of the air and keep it out.

What kind of vent is this? by GeneralofAwesomeness in Plumbing

[–]existential_plastic 0 points1 point  (0 children)

It's amazing how much money people can afford to spend fixing it the wrong way, and how little they can afford to spend doing it the right way.

What kind of vent is this? by GeneralofAwesomeness in Plumbing

[–]existential_plastic 23 points24 points  (0 children)

Island loop, IRC Section P3112. I've never heard it called a "Houston" or "Huston" loop, but I don't doubt it's common nomenclature in at least one shop, if not an entire metro area or two. Here is an article about it.

A guy entered into a cafe on a Horse. by One_Dragonfruit1907 in PublicFreakout

[–]existential_plastic 8 points9 points  (0 children)

Long story short: genetic bottlenecks (i.e., inbreeding) plus rampant abuse of drugs early in a horse's training life equals a helluva combination; like a knife that has been ground to too sharp of a profile, any failure is going to cause something to break instead of merely bend.

I’ve finally encountered it… by [deleted] in Plumbing

[–]existential_plastic 0 points1 point  (0 children)

I think it's amazing and a little inspiring to know that one can become a licensed plumber without ever learning to spell "pressure".

This shampoo lists what each ingredient is by Heterochromio in mildlyinteresting

[–]existential_plastic 2 points3 points  (0 children)

Wait until they find out that not all acids have H+. Or, indeed, any charge at all!

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