On Monday, January 12, 2015 at 5:44:42 AM UTC, Ruby-Forum.com User wrote: > > I am developing Rails application(ruby2.1.5 and rails4.2.0) for embedded > device.I have observed that every time when I run Rails Application,CPU > utilization spikes to 100% for few seconds on startup > > That's just the way it is - it's preloading all of your app's code. (the config.eager_load and config.eager_load_paths control this)
Fred > > My system info is as follows: > > > root@wandboard-quad:~/test3# uname -a > Linux wandboard-quad 3.0.35-4.0.0-wandboard+gd35902c #1 SMP PREEMPT > Wed Aug 6 12:42:22 IST 2014 armv7l GNU/Linux > > > I have followed following steps: > > 1. Created new application with following command: > > rails new test3 > > Started rails server > > rails server > > I have got following cpu utillization on startup > > > 1569 root 20 0 10392 6960 2472 R 29 0.4 0:00.88 ruby > **1579 root 20 0 25404 19m 3448 R 97 1.1 0:03.04 ruby > 1579 root 20 0 44416 35m 4196 R 100 1.9 0:06.04 ruby** > 1579 root 20 0 61084 51m 4460 S 76 2.8 0:08.32 ruby > 1579 root 20 0 62148 52m 4516 S 5 2.9 0:08.47 ruby > 1579 root 20 0 62148 52m 4516 S 0 2.9 0:08.48 ruby > 1579 root 20 0 62148 52m 4516 S 0 2.9 0:08.49 ruby > 1579 root 20 0 62148 52m 4516 S 0 2.9 0:08.50 ruby > After digging further using BYEBUG ,I think cpu spikes in > commands_tasks.rb file in method server at following line > > > require APP_PATH > > what might be reason for CPU going high on startup? > I have tried this various webservers like Webbrick,thin,unicorn. > > -- > Posted via http://www.ruby-forum.com/. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscr...@googlegroups.com. To post to this group, send email to rubyonrails-talk@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/cba63f39-5021-4317-a60c-09b16558427d%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
