Thanks for the reply, On Wed, Jun 6, 2018 at 2:20 PM, Guillaume Lefranc <guilla...@adishatz.net> wrote:
> Also mysqldump can't be used for upgrade to 10.3, which is IMHO frequently > used. > Where have you seen that claim? I've imported dumps to 10.3 without particular issues. https://mariadb.com/kb/en/library/upgrading-from-mariadb-102-to-mariadb-103/#mysqldump -- Michal Schorm Associate Software Engineer Core Services - Databases Team Red Hat On Wed, Jun 6, 2018 at 2:20 PM, Guillaume Lefranc <guilla...@adishatz.net> wrote: > Hi Michal, > > Le mer. 6 juin 2018 à 12:02, Michal Schorm <msch...@redhat.com> a écrit : > >> Hello, >> >> MariaDB changed its release cycle to 1 major version / year. >> However the upgrades remained supported only from one major version to >> the very next. >> >> What's the definition of the term "supported" here? I've never seen such > a claim elsewhere. Maybe 1 major version to next are "recommended", but > even in some upgrades you can find breaking changes. > > I see a raise of users (of RH products - RHEL and RHSCL mainly) that would >> like to jump several versions. >> They had an application build on, let's say, 5.5 (RHEL7 default) and >> would like to get the features from 10.2 (available in RH software >> collections - we provide plenty of versions this way). >> So far, they have to upgrade one by one 5.5->10.0->10.1->10.2; and solve >> the conflicts at each stage. >> > That's a waste of time. Such an upgrade is perfectly possible through the > means of mysqldump and reload. In-place upgrades might cause some issues > because of innodb version changes, but for example, from 10.0 to 10.1, they > are rarely an issue because the version of InnoDB hasn't changed. The > recommended upgrade path from any version is always the same e.g. dump and > reload. > > >> >> Lately, we discontinued support fo 10.0 in RHSCL, which means, the >> upgrade path metioned above won't be as easy anymore. >> Also mysqldump can't be used for upgrade to 10.3, which is IMHO >> frequently used. >> > Where have you seen that claim? I've imported dumps to 10.3 without > particular issues. > > -- > Guillaume Lefranc > Signal 18 Consulting >
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