[openstack-dev] [keystone][oslo][designate][zaqar][nova][swift] using pylibmc instead of python-memcached
Kiall Mac Innes
kiall at macinnes.ie
Fri May 13 12:31:37 UTC 2016
>From what I remember, oslo.cache seemed unnecessarily complex to use
vs memcache's simplicity, and didn't have any usage docs to help folks
get started using it.
I can see there is some docs under the module index, but at a glance they
seem somewhat disconnected and incomplete.
Are there any complete examples of it's use available for us to compare
against python-memcached and pylibmc etc?
If there comparable functionality and perf wise, I don't see a reason why
projects wouldn't switch. I'll certainly make the effort for Designate if it
looks like the right thing to do.
On 13/05/16 12:35, Davanum Srinivas wrote:
> Couple of points:
> * We can add pylibmc to g-r and phase out python-memcached over a time period.
> * If folks are using python-memcached, we should switch then over to
> oslo.cache, then only oslo.cache will reference either
> python-memcached or pylibmc which will make the situation easier to
> On Fri, May 13, 2016 at 4:14 AM, Steve Martinelli
> <s.martinelli at gmail.com> wrote:
>> /me gets the ball rolling
>> Just when python3 support for keystone was looking like a reality, we've hit
>> another snag. Apparently there are several issues with python-memcached in
>> py3, putting it simply: it loads, but doesn't actually work. I've included
>> projects in the subject line that use python-memcached (based on codesearch)
>> Enter pylibmc; apparently it is (almost?) a drop-in replacement, performs
>> better, and is more actively maintained.
>> - Has anyone had success using python-memcached in py3?
>> - Is anyone interested in using pylibmc in their project instead of
>> - Will buy-in from all projects be necessary to proceed for any single
>> Open issues like this:
>> https://github.com/linsomniac/python-memcached/issues/94 make me sad.
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