EVE Technology Lab

Alright, if it is undisclosed, I can stop sifting the forums/blogs for posts I missed.

Does this mean industry cost calculations won't be predictable, forward-projectable for us then, being in the dark about how this value is derived, that we can only work on the last publication?

works for me: http://public-crest-sisi.testeveonline.com/market/prices/

Edit: be sure you get the trailing slash when compiling an actual URL.

Yea, really the best thing to do is follow links from the root to get where you want to go. That way the URL is mostly irrelevant.

Thank you, CCP FoxFour, for your attention and work on the APIs. I hope that some day the management at CCP/EVE realizes how essential all the third party sites are to the livelihood of the game and thanks you for not leaving us out in the cold.

I have a blog on its way to explain how to use cost index + adjusted price to calculate the price for installing industry jobs. Stay tuned.

Here is some basic information: https://forums.eveonline.com/default.aspx?g=posts&t=344803&find=unread

Basically keep it to 10 RPS on CREST until we have the developer singups going. 503's are generally because we are rate limiting you. If you hit the wars endpoint several wars may timeout due to being stupid big and not loaded yet. If you get that timeout issue just wait 10 minutes and try again.

Keep in mind you should not request WH regions, and you should only request types that have a marketGroupID set. If they don't have a market group ID set they are not on the market and you are just wasting time.

I suppose we could offer different length market requests, but it's not really needed. The pages are usually cached in nginx (I suggest you do your cron jobs around 01:05 in the morning like everyone else) and so are loaded stupid fast. We then ensure the results are sorted so you only need to parse the first result.

One of the constraints we have on our caching system is we cache endpoints for X amount of time, and thats defined outside the scope of the endpoint, using a decorator. One of the things I want to get, and am pushing for, is the ability to set the client cache, what you guys see, and then also set the nginx cache differently. Doing that I could tell you guys it's cached for 1 hour but do things like expire the cache on the server at midnight. This means that if something is requested at 01:00 it stays cached for 23 hours. I cannot cache something for 23 hours right now because if it's requested at 23:55 and then cached for 23 hours you guys will stab me. If I get that kind of caching control, doing an endpoint that does something like take a region ID, return all market types and their data for yesterday, would be doable. I cannot do that now just due to how much time each request would take. If I can guarantee it's only hit once (while twice actually, once per nginx box) per day, screw it who cares.

So yea, TL;DR: time better spent on other things, once we get better caching control we will do even cooler things. :D

What is the cache time on market calls such as this?

http://public-crest.eveonline.com/market/10000002/types/34/history/

I thought it was supposed to be an hour, but even after 04:00 the latest date provided was still only 2014/07/09 rather than 2014/07/10.

Type 34 = Tritanium.
I would say there would of been transactions over the length of a day.

Some of the PI API problems are probably related to PI itself.

Actual extractor is pulling in 21371 units this cycle(1), 1 hour cycles,over a 2 day period it will pull in 575209 units for 11504 units per hour.

API says it is pulling 5056 units per cycle. At no point in production will it be pulling that few units per cycle.

I tried seeing if it was a factor of something.. no or maybe it was my skills and it stored what it predicted before I started extracting.. no. Maybe thats the units a single head is pulling in? I haven't tested that.

Outside of the API, PI still makes no sense even inside the game client. Same extractor on its route says 36400 units outgoing. That is WAY more my extractor will output for any cycle. The API returns the same numbers for routes and links as the game does at least.

Would it just be possible to add a field to the extractor that shows the program output total?

That being said, everything else in in the PI API works flawless. The contents of facilities and storage match up and work perfect. Being able to catch when I forget to set a route for a extractor I just moved has already made it worth it :P

Oh wow, that would be amazing. Thank you!