Dmitry, Thank you for this document! Please move it on https://etherpad.openstack.org to make it accessible
Best regards, Alexey Shtokolov 2015-12-16 1:38 GMT+03:00 Dmitry Teselkin <dtesel...@mirantis.com>: > Hello, > > I made an attempt to gather all valuable points 'for' and 'against' > 9.2.x in one document [1]. Please take a look on it, I also put some > comments there to keep everything in one place. I believe this can help > us to make deliberated decision. > > Please add more pros / cons there as I don't pretend to make a > full picture at the first attempt. > > Just in case, I'd prefer to 'downgrade' to 9.2 :) > > [1] https://etherpad.mirantis.net/p/7ZUruwlwJM > > On Tue, 15 Dec 2015 20:47:41 +0200 > Igor Kalnitsky <ikalnit...@mirantis.com> wrote: > > > FYI: so far (according to poll [1]) we have > > > > * 11 votes for keeping 9.2 > > * 4 votes for restoring 9.3 > > > > [1] > > > https://docs.google.com/spreadsheets/d/1RNcEVFsg7GdHIXlJl-6LCELhlwQ_zmTbd40Bk_jH1m4/edit?usp=sharing > > > > On Tue, Dec 15, 2015 at 8:34 PM, Vladimir Kuklin > > <vkuk...@mirantis.com> wrote: > > > Folks > > > > > > Let me add my 2c here. > > > > > > I am for using Postgres 9.3. Here is an additional argument to the > > > ones provided by Artem, Aleksandra and others. > > > > > > Fuel is being sometimes highly customized by our users for their > > > specific needs. It has been Postgres 9.3 for a while and they might > > > have as well gotten used to it and assumed by default that this > > > would not change. So some of their respective features they are > > > developing for their own sake may depend on Postgres 9.3 and we > > > will never be able to tell the fraction of such use cases. > > > Moreover, downgrading DBMS version of Fuel should be inevitably > > > considered as a 'deprecation' of some features our software suite > > > is providing to our users. This actually means that we MUST provide > > > our users with a warning and deprecation period to allow them to > > > adjust to these changes. Obviously, accidental change of Postgres > > > version does not follow such a policy in any way. So I see no other > > > ways except for getting back to Postgres 9.3. > > > > > > > > > On Tue, Dec 15, 2015 at 7:39 PM, Igor Kalnitsky > > > <ikalnit...@mirantis.com> wrote: > > >> > > >> Hey Mike, > > >> > > >> Thanks for your input. > > >> > > >> > actually not. if you replace your ARRAY columns with JSON > > >> > entirely, > > >> > > >> It still needs to fix the code, i.e. change ARRAY-specific queries > > >> with JSON ones around the code. ;) > > >> > > >> > there's already a mostly finished PR for SQLAlchemy support in > > >> > the queue. > > >> > > >> Does it mean SQLAlchemy will have one unified interface to make > > >> JSON queries? So we can use different backends if necessary? > > >> > > >> Thanks, > > >> - Igor > > >> > > >> On Tue, Dec 15, 2015 at 5:06 PM, Mike Bayer <mba...@redhat.com> > > >> wrote: > > >> > > > >> > > > >> > On 12/15/2015 07:20 AM, Igor Kalnitsky wrote: > > >> >> Hey Julien, > > >> >> > > >> >>> > > >> >>> > https://blueprints.launchpad.net/fuel/+spec/openstack-ha-fuel-postgresql > > >> >> > > >> >> I believe this blueprint is about DB for OpenStack cloud (we use > > >> >> Galera now), while here we're talking about DB backend for Fuel > > >> >> itself. Fuel has a separate node (so called Fuel Master) and we > > >> >> use PostgreSQL now. > > >> >> > > >> >>> does that mean Fuel is only going to be able to run with > > >> >>> PostgreSQL? > > >> >> > > >> >> Unfortunately we already tied up to PostgreSQL. For instance, > > >> >> we use PostgreSQL's ARRAY column type. Introducing JSON column > > >> >> is one more way to tighten knots harder. > > >> > > > >> > actually not. if you replace your ARRAY columns with JSON > > >> > entirely, MySQL has JSON as well now: > > >> > https://dev.mysql.com/doc/refman/5.7/en/json.html > > >> > > > >> > there's already a mostly finished PR for SQLAlchemy support in > > >> > the queue. > > >> > > > >> > > > >> > > > >> >> > > >> >> - Igor > > >> >> > > >> >> On Tue, Dec 15, 2015 at 12:28 PM, Julien Danjou > > >> >> <jul...@danjou.info> wrote: > > >> >>> On Mon, Dec 14 2015, Igor Kalnitsky wrote: > > >> >>> > > >> >>>> The things I want to notice are: > > >> >>>> > > >> >>>> * Currently we aren't tied up to PostgreSQL 9.3. > > >> >>>> * There's a patch [2] that ties Fuel up to PostgreSQL 9.3+ by > > >> >>>> using a set of JSON operations. > > >> >>> > > >> >>> I'm curious and have just a small side question: does that > > >> >>> mean Fuel is > > >> >>> only going to be able to run with PostgreSQL? > > >> >>> > > >> >>> I also see > > >> >>> > > >> >>> > https://blueprints.launchpad.net/fuel/+spec/openstack-ha-fuel-postgresql, > > >> >>> maybe it's related? > > >> >>> > > >> >>> Thanks! > > >> >>> > > >> >>> -- > > >> >>> Julien Danjou > > >> >>> // Free Software hacker > > >> >>> // https://julien.danjou.info > > >> >> > > >> >> > > >> >> > __________________________________________________________________________ > > >> >> 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 > > >> >> > > >> > > > >> > > > >> > > __________________________________________________________________________ > > >> > 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 > > >> > > >> > __________________________________________________________________________ > > >> 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 > > > > > > > > > > > > > > > -- > > > Yours Faithfully, > > > Vladimir Kuklin, > > > Fuel Library Tech Lead, > > > Mirantis, Inc. > > > +7 (495) 640-49-04 > > > +7 (926) 702-39-68 > > > Skype kuklinvv > > > 35bk3, Vorontsovskaya Str. > > > Moscow, Russia, > > > www.mirantis.com > > > www.mirantis.ru > > > vkuk...@mirantis.com > > > > > > > __________________________________________________________________________ > > > 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 > > > > > > > > __________________________________________________________________________ > > 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 > > > > -- > Thanks, > Dmitry Teselkin > > > __________________________________________________________________________ > 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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