[ops][cinder] is anyone using RateLimitingMiddleware ?

stephenfin at redhat.com stephenfin at redhat.com
Mon Sep 20 07:09:13 UTC 2021

On Wed, 2021-09-08 at 12:00 -0400, Brian Rosmaita wrote:
> Hello operators,
> Takashi Kajinami noticed that cinder's RateLimitingMiddleware class 
> lives among the legacy v2 classes and should be moved to live with the 
> v3 classes, but then it occurred to him that maybe it should simply be 
> deprecated and removed [0].
> There are a few reasons to believe that nobody is actually using this 
> functionality, for example, it's not included in the default 
> api-paste.ini file, this middleware no longer exists in Nova, it gives 
> you inexact behavior with multiple API nodes, etc.
> We discussed this topic at today's cinder meeting and decided to ask 
> whether anyone is using the RateLimitingMiddleware with cinder before 
> deprecating it for removal.
> If it's going to be deprecated, we'd like to do it in Xena, so please 
> reply to this email or leave a comment on the deprecation patch [1] (or 
> preferably both) before 23:59 UTC on Tuesday 14 September 2021.
> Thank you!
> [0] https://bugs.launchpad.net/cinder/+bug/1942696
> [1] https://review.opendev.org/c/openstack/cinder/+/807469

Not an ansewr, but I have a relatively old patch to document this [1]. If we're
not deprecating this, we should probably merge the docs patch. If we are
deprecating it, the doc patch can obviously be abandoned.


[1] https://review.opendev.org/c/openstack/cinder/+/782518

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