August 2019
Beginner
608 pages
16h 7m
English
Content preview from Mastering GitLab 12
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Other kinds of errors or 100% CPU load
The ultimate way to debug Unicorn processes is to run strace on them:
- Run sudo gdb -p (PID) to attach to the Unicorn process.
- Run call (void) rb_backtrace() in the GDB console and find the generated Ruby backtrace in /var/log/gitlab/unicorn/unicorn_stderr.log:
from /opt/gitlab/embedded/lib/ruby/gems/2.4.0/gems/bundler-1.16.2/lib/bundler/cli/exec.rb:28:in `run' from /opt/gitlab/embedded/lib/ruby/gems/2.4.0/gems/bundler-1.16.2/lib/bundler/cli/exec.rb:74:in `kernel_load' from /opt/gitlab/embedded/lib/ruby/gems/2.4.0/gems/bundler-1.16.2/lib/bundler/cli/exec.rb:74:in `load' from /opt/gitlab/embedded/bin/unicorn:23:in `<top (required)>'<br/> from /opt/gitlab/embedded/bin/unicorn:23:in `load from /opt/gitlab/embedded/lib/ruby/gems/2.4.0/gems/unicorn-5.1.0/bin/unicorn:126:in ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.