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#systems engineering
engineering · 6 months
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Keeping a site like Tumblr alive and snappy for you to post at a moment’s notice, all day and night, is no small feat. Pesky crabs sneak into our data centers and cut cables all the time…
If you want to help our small but excellent systems team, want to work from anywhere, and are deep into nginx, mysql, kubernetes, and caching, join us in this adventure. Or, if you have a friend or a colleague who’s good with servers, send them our way.
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i'll never find that post again where we were talking about how tumblr might store duplicate data, but it turns out they tell us a lot about their infrastructure: https://automattic.com/work-with-us/job/systems-engineering/
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hachama · 1 year
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Image description: text excerpt from a book
"Heuristic Tool List
Multitask Heuristics
D Performance, cost, and schedule cannot be specified independently. At least one of the three must depend on the others.**"
End description.
The first maintenance shop I worked in had a sign on the wall:
We do three kinds of jobs here
Good, Fast, and Cheap
Pick 2
This is in my textbook. It's the first sentence of the reading assignment. I am expired.
HOW MUCH OF THIS FUCKING CLASS IS GOING TO BE COMMON SENSE SHIT EXPRESSED IN ACADEMIC TERMS
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burnwater13 · 10 months
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Grogu knew how starships worked. They had engines or motors that created thrust. The thrust was aimed in a direction and the ship moved away from that direction. Simple, right? Wrong.
Starships were way more complicated than that. First, those engines/motors had to work hard. Really hard. They didn’t just carry themselves up into the atmosphere, but they carried the weight of the ship’s hull and all of its contents. And in Grogu’s experience the contents were always the problem. 
First there was the equipment and control systems that were needed just so the engines worked. They didn’t just control themselves. Then they needed fuel. Starships used all sorts of energy conversion systems depending on what they did or were meant to do. Some of them were pretty straightforward. 
A liquid fuel went through a controlled combustion chamber and the flame, fire, plasma, whatever, that was generated moved away from its point of origin because it was hot. Those molecules and atoms and sub-atomic particles did not want to stay where they were. So they moved one way and the thing attached to it went the other. Same for solid fuels, more or less. But importantly you had to store that fuel. It had to be somewhere. Unless you used ion sails or hydrogen scoops or stuff like that (the Force anyone?) you had to have your fuel on board. 
That sounded pretty awful to Grogu. No wonder so many of the ships that tried to target the Razor Crest ended up looking like a tiny sun when they blew up. That fuel needed to be treated carefully. Almost delicately. But that is not what happened when laser cannons whomped on your ship. Nope. 
Once you moved on from the fuel system (and who could blame you if you found it hard to move on), then you had navigational systems, gravity compensating systems, weapons systems, defense systems, communication systems, hyperdrive systems (a whole different problem with energy and fuel), and life support systems, just to name a few.  That was a lot of systems so there was an OOS or Overall Operations System. 
Grogu had almost forgotten about all the acronyms in use, like OOS. Those existed at the system level, the sub-system level, the object or assembly level (depending on the ship builder), the sub-assembly level, and the component level. He had once heard Din Djarin tell Peli that the NFCIR for the NFCISA, that fit into the NFICULA, and supported the NFCI in the Razor Crest was missing. Grogu had eaten his whole lunch and a snack while Din repeated all that when Peli looked up at him and said ‘I didn’t catch that’. 
After that he just pretended that he didn’t understand what the Mandalorian was asking for until he said something like, ‘Hand me that 5 ohm resistor’. Grogu was happy to help when he actually understood what was going on. He had also made it clear to his friend and protector that when it was called  ‘the RED one’ (resistor, electrical di-optic) he wasn’t going to touch it. Nope. Not making that mistake again (the resistor was in the end of that cable, ouch).
Grogu was baffled that once you crammed all that stuff on a ship it all had to survive contact with the enemy. People. All sorts of people ended up on starships. In his personal experience they could fall into two categories. Good people and bad people. The good people were great. They knew what they needed to do, they did it, and no one else was hurt, threatened or even mildly inconvenienced by them. Grogu mostly tried to be a good person when he was on a ship. 
On the other hand the bad people required extra systems to manage their behaviors. Some of them ended up secured in a room of their own. That added a security system to the list of all the systems. Others had to be made cold. Very cold. That meant you had to have a carbonite system. Grogu had asked the Mandalorian if the carbonite system was a sub-system to the security system or if it was its own system, but his dad told him to drink his broth and Grogu did that instead, because someone seemed pretty cranky. 
That might have been due to all the questions Grogu had about the food preserving and preparation systems. Grogu had asked Din Djarin why the Razor Crest didn’t have a food generator on board that could make good food, like frogs and shrimp and gorgs on a stick, but it did have a caf system. Considering that the caf system was offline at the time, the Mandalorian had been pretty annoyed. That may have been due to Grogu trying to program it to make him frog stew, but only ending up with broth. Oops. 
A short time later they also had a long discussion about the waste management system on the ship. Or, to put it differently, Din Djarin had lectured him ad nauseam about the proper use of the privy and how to return it to a functional configuration. 
Grogu had tried to explain that the privies on Coruscant, at the Jedi Temple, had a very different configuration and included a user interface that made it clear how to use the system in a step by step manner most appropriate for the species of the user and where they were in their life cycle. The Mandalorian must have turned off his auditory sensors because he just gave Grogu a look and ordered him to go to his hammock, pretty loudly. 
While Grogu was laying back in the hammock he wondered about the other life support systems, like the air recycler and filters that kept in them in cool, comfortable, clean air. Well, mostly clean. The privy configuration issue had raised more than one kind of stink and Grogu was pretty sure that was the root of Din Djarin’s problems. 
No matter how good a system was it couldn’t address every possible failure mode. This one certainly hadn’t been designed with Grogu in mind. Or maybe it needed a different systems manager. Grogu was happy to hand that job off to someone else.  Anyone interested?
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bitternest · 1 year
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Has nobody at @staff ever fucking heard of read-only Fridays? Why the FUCK would you make a change like center-aligning text posts on mobile on FRIDAY, DECEMBER 30TH.
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jerichothunderbolt · 1 year
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Dropped 4 hangs of rcf 30's in the superdome recently. And no, that is not how I would have arranged my audio points (if it were up to me). 20 sub9006's on the ground. Again, not how I wanted to arrange them but camera shots were higher priority. Had to slap a virtual arc on them and send it.
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phd-in-prog · 2 years
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What do you study?
i study systems engineering and focus on human/computer interaction
basically, i make sure that the systems people use to help make decisions are actually usable - can the intended user make sense of the system's output or recommendations?
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agilesyseng · 4 days
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“A complex system that works is invariably found to have evolved from a simple system that works. The inverse proposition also appears to be true: A complex system designed from scratch never works and cannot be made to work.” ― John Gall, The Systems Bible: The Beginner's Guide to Systems Large and Small
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merchantservices444 · 4 months
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“POS Systems in Garland, TX: Enhancing Business Efficiency and Customer Experience”
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confusednconfusing · 4 months
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studying the systems engineering module like
“yeah sure whatever u say bro”
* furiously takes notes *
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tenth-sentence · 5 months
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Our food could well be involved in gene regulation, organ stimulation, and be a system engineer.
"Soil: The incredible story of what keeps the earth, and us, healthy" - Matthew Evans
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nitor-infotech · 6 months
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Businesses often face challenges such as cost reduction, faster product launches, and high-quality delivery while building products. To tackle this, mitigate to the powerful solution: Solution Engineering in our blog.
Discover how this approach offers structured problem-solving and efficient solutions for your business. Align your business objectives and user needs, from problem identification to knowledge transfer, while saving time and cutting costs. With Solution Engineering, you can experience unmatched growth and success. Learn more. 
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parrotvoid · 8 months
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Balance
For System Builders / Maintainers:
Systems can be incredible at building stability and prosperity, but no system is perfect. Systems are constructed to increase the efficiency of normal operations / circumstances. There will always be outliers which need to be handled on an individual basis otherwise the system will become invidious.
For System Deconstructors / Rebels:
Systems serve the majority. Tearing down a system for the sake of an outlier often causes more harm than good. If that outlier wasn’t already a pariah, you can bet they will be when their demands come at the cost of others. Because of these considerations, it’s almost always better to work within the system than against it.
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weedhorse69 · 1 year
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Apply to Northrop Grumman more
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chamerionwrites · 8 months
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Also idk but I feel it is important, for reasons of genre understanding, to recognize that good old fashioned murder is like the least violent thing anybody ever does in a proper spy story
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rogerrrroger · 1 year
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DRAW EMESIS BLUE GOOD ENDING
Arg I’m so sorry this took a whole seven days to complete because other stuff was kicking my ass but here
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Basically the motto is blu Engi is so cracked that he fixed the respawn machine enough to heal every possible bad thing that happened 👍
god please if you can’t read my artist’s handwriting feel free to ask for image id
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