Brant, I run profimp with and without patch https://review.openstack.org/#/c/164066/: And it really works well:
before 170ms: http://boris-42.github.io/keystone/before.html after 76ms: http://boris-42.github.io/keystone/after.html Best regards, Boris Pavlovic On Fri, Apr 3, 2015 at 2:44 AM, Monty Taylor <mord...@inaugust.com> wrote: > On 04/02/2015 06:22 PM, Brant Knudson wrote: > > On Thu, Apr 2, 2015 at 4:52 PM, Boris Pavlovic <bo...@pavlovic.me> > wrote: > > > >> Hi stackers, > >> > >> Recently, I started working on speeding up Rally cli. > >> > >> What I understand immediately is that I don't understand why it takes > >> 700-800ms > >> to just run "rally version" command and it is impossible hard task to > find > >> what takes so much time just by reading the code. > >> > >> I started playing with patching __import__ and make a simple but > powerful > >> tool > >> that allows you to trace any imports and get pretty graphs of nested > >> importing with timings: > >> > >> https://github.com/boris-42/profimp > >> > >> So now it's simple to understand what imports take most of time, just by > >> running: > >> > >> profimp "import <lib>" --html > >> > >> > >> Let's optimize OpenStack libs and clients? > >> > >> > >> Best regards, > >> Boris Pavlovic > >> > >> > > There's a review in python-keystoneclient to do lazy importing of modules > > here: https://review.openstack.org/#/c/164066/ . It would be > interesting to > > know if this improves the initial import time significantly. Also, this > can > > be an example of how to improve other libraries. > > Yes please. > > Also - for libraries - let's try to not import lots of things. > > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >
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