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JRuby using Checkpoint and Restore In Userspace to start up fast
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| root@e7fc053b9e41:/instantOnDemo/jruby# time jruby -e 'puts "hello!"' | |
| hello! | |
| real 0m5.546s | |
| user 0m9.524s | |
| sys 0m0.796s | |
| root@e7fc053b9e41:/instantOnDemo/jruby# jruby --checkpoint -e 'puts "hello!"' | |
| Warming up JRuby... done! Saving checkpoint. | |
| Killed | |
| root@e7fc053b9e41:/instantOnDemo/jruby# time jruby --restore | |
| hello! | |
| real 0m0.904s | |
| user 0m1.047s | |
| sys 0m0.403s | |
| root@e7fc053b9e41:/instantOnDemo/jruby# time jruby --restore | |
| hello! | |
| real 0m0.890s | |
| user 0m1.039s | |
| sys 0m0.369s | |
| root@e7fc053b9e41:/instantOnDemo/jruby# time jruby --restore | |
| hello! | |
| real 0m0.696s | |
| user 0m0.673s | |
| sys 0m0.370s | |
| root@e7fc053b9e41:/instantOnDemo/jruby# time jruby --restore | |
| hello! | |
| real 0m0.704s | |
| user 0m0.674s | |
| sys 0m0.375s |
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