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Is Your Computer Stable?
List of recommended hardware stress test procedures
hardware  test  stress  how-to  reference  memory  cpu  network 
february 2019 by rtopitt
Improve your Ruby application's memory usage and performance with jemalloc
Using a different memory allocation library, you can reduce your Ruby application’s memory usage and response time. Learn how to use it on a hosting service (like Heroku or Scalingo) or your own server.
ruby  memory  performance  how-to  heroku  server  configuration  library 
april 2018 by rtopitt
Is Your Computer Stable?
Everyone breathes a sigh of relief when their newly built computer boots up for the first time, no matter how many times they've done it before. But booting is only the beginning of the story. Yeah, it boots, great. Color me unimpressed. What we really need to know is whether that computer is stable.

Although commodity computer parts are more reliable every year, and vendors test their parts plenty before they ship them, there's no guarantee all those parts will work reliably together, in your particular environment, under your particular workload. And there's always the possibility, however slim, of getting very, very unlucky with subtly broken components.

Because we're rational scientists, we test stuff in our native environment, and collect data to prove our computer is stable. Right? So after we boot, we test.
benchmark  hardware  pc  server  linux  ubuntu  memtest  memory  how-to  tip  geek  reference  teste 
march 2016 by rtopitt

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