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Stockfighter is live

stockfighter.io

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Re: Stockfighter is live

#121

Post by dchuk »

patio11 wrote: post #78
joshmn wrote: post #56

Earlier quoted context omitted.

I know using Rails isn't as popular here as it once was, but in my experience, if you cache correctly (like you should), it's trivial to scale.

Modestly less trivial if you happen to put your chat server on the box with Rails because Rails is certainly not going to fall over and your chat server attempts to open several thousand websockets on a box with a not-too-generous number of open file descriptors, it appears.

Why in this day and age of cheap and easy servers would you ever have more than one service type running on a server in production? It's trivial to break things up nowadays

Re: Stockfighter is live

#122

Post by gknoy »

kasey_junk wrote: post #67
patio11 wrote: post #64

Earlier quoted context omitted.

Meh? It's a play-money stock exchange which processed over 200k orders since a few seconds ago. We're in the process of finding the parts of the plumbing that weren't sized right for hundreds of simultaneous players and tens of thousands of simultaneous actors (each bot is approximately as taxing on the infra as a human -- more, at the moment, since many folks can't read the instructions to start hitting us with orde…

Don't underestimate how valuable "meh" post mortems are. I for one, would love to see your usual writing ability applied to one. Weeks from now when this is all a funny anecdote of course...

I confess that I would love to see Patrick's usual writing style and ability applied to almost anything. I'm not sure why, but he just seems to be really ... genuine? Personable? It's like I'm listening to a friend talk -- a friend who happens to either be an expert, or have really interesting things to say.

I want to say that it's bizarre, but I think it's mainly that he writes very well.

Re: Stockfighter is live

#123

Post by gknoy »

tptacek wrote: post #87
S4M wrote: post #29

Earlier quoted context omitted.

Raah, that was the part I was looking for, I wanted to use it to learn a bit about assembly and code generation - I couldn't care less about HFT (sorry Patrick). Good luck!

Things are looking good, but we're decorating the family Christmas tree tonight, and so I took a break about 30 minutes ago. My current guess is that our part will be up tomorrow early. Just for anyone interested: We're pushing a "trainer" tomorrow, which is essentially "one level" of the CTF, so that people who have never looked at low-level embedded systems code can get the hang of it, and so we can, you know, not…

Additionally, if you're especially anxious to be introduced to an assembly-themed CTF, you can also go look at Microcorruption. I would wager that Thomas and Erin's current project is "better", but Microcorruption still seems rather good.

Re: Stockfighter is live

#125

Post by paulpauper »

We couldn't start the level: This level has been locked by a different server. (Sorry if this happened accidentally as a result of a server crash -- it will clear up in an hour.) Refresh page to check if server is down?

Re: Stockfighter is live

#127

Post by bm1362 »

sergiotapia wrote: post #99

It's seems the site is extremely broken, I can't navigate anywhere and clicking links that have "#" href's don't do anything. ["handleListAllowedLevels", Object] blotter-bundle-dd01d8c9.js:1549 No level specified in URL. blotter-bundle-dd01d8c9.js:1605 ["enterLevel does not think it can reenter level: ", "first_steps", NaN, Object] blotter-bundle-dd01d8c9.js:2602 ["handleEnterLevel -> startLevel", Object] blotter-bun…

It seems the launch was a bit premature, there are tons of errors. I think this is a symptom of a single developer writing everything from scratch. I respect both Thomas and Patrick for their opinions, but I think HN falsely equates that to engineering expertise.

Re: Stockfighter is live

#128

Post by danneu »

spamizbad wrote: post #107
zrail wrote: post #65

Earlier quoted context omitted.

Sequence of events: 1. You play stockfighter and get the highest score this year. 2. patio11 emails you and says "hey, you're awesome. are you looking for a job?" 3. You say "yes!" 4. patio11 emails pc (CEO of Stripe) and says "hey 2oi4j3 is awesome, here is proof (i.e. your stockfighter score)" 5. pc emails you and says "hey let's talk about what job you would like at Stripe, and let's bypass most or all of that tec…

I think skipping #5 is unwise. What's to stop someone from making starfighter account, scoring well, and then selling their account to some middling programmer?

What's to stop someone from diving head first down the stairs to speed up their descent?

Re: Stockfighter is live

#130

Post by iso8859-1 »

> Our servers are under continuing heavy load due to having launched recently and the site being on the front page of HN. This is causing poor performance and undefined behavior.

How is that possible? As I understand, undefined behaviour is either there when you compile, or it isn't (it is a function of the source code). So if the undefined behaviour is a function of traffic intensity, I assume you compile different C code base when you have high load. I never heard about something like this before.

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