[openstack-dev] Concerns about Gnocchi's performance

2015-01-15 Thread
Hello, I’m testing gnocchi to work with ceilometer these days and I have some concerns about its performance. I noticed in the code, every time a measure gets updated, gnocchi first reads all the previous contents of that measure, updates the measure in memory and writes the updated contents

Re: [openstack-dev] Concerns about Gnocchi's performance

2015-01-15 Thread
On Jan 15, 2015, at 18:46, Julien Danjou jul...@danjou.info wrote: Yep, that's the main downside of the use of the Carbonara based backend in Gnocchi. But honestly, since it's download/upload are parallel and the file size is quite small, sending a metric should be pretty fast in most