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November 22, 2011
News - Enginursday: Troubleshoot…
about 8 months ago
Years ago I worked for a subcontractor that supported the South Pole Station. Temperature inside the station was kept to around 60 degrees F, but the relative humidity is typically < 1% due to the outside temperatures. One of the biggest failure issues they had that wasn’t caused by the cold was the cooling fans for the various IT equipment. They would typically see about 10-20 failures a year of power supplies where the brushless cooling fan would fail due to the low humidity and static discharge. No good preventative fixes, just developed a process of having 20-some spares on hand for the year.
News - Free Day 2012 Recap
about 7 years ago
While I spent 6 hours almost continuously typing in captchas to no avail (sorry to say but not fun), congrats to the folks that won. My envy goes out to you.
I’m glad to see that the exposure actually did a load test as expected. I was concerned that the /free_day page alone was simple static content with a single PHP query that wouldn’t be a true test of the stack. But it looks like it drove enough subsequent traffic to the rest of the website that you got the intended results. Hats off to you.
News - Free Day 2012 is Under Wa…
about 7 years ago
I didn’t win anything and I was trying almost continuously from the time it started until the time it ended. I understand quite well how randomness work, but incredibly frustrating none the less.
But aside from that, if SparkFun is going to call this a load test, I call bogus. With a dedicated page serving static content that does one check while processing a POST, it is mostly testing the ability of the geiger counter check and the robustness of the load balancers and internet connection, not the web servers themselves. The free page wasn’t hitting the database, the form searches weren’t being executed, and so on. I realize that it’s really difficult to make a good load test that is truly random and resistant to those trying to game the system for a win, but it still seems like a bad test. (Again, if SparkFun still is calling it a load test)
Consider yourself lucky. I entered over 5,000 captchas over the 6 hours it ran and I won nothing…
I’ve been at it almost continuously since the start. No luck.
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