On Thu, Apr 20, 2017 at 3:50 PM, Fabrice Bacchella < fabrice.bacchella@orange.fr> wrote:
I tried to upgrade ovirt to version 4.1 from 4.0 and got:
Found the following problems in PostgreSQL configuration for the Engine database: autovacuum_vacuum_scale_factor required to be at most 0.01 autovacuum_analyze_scale_factor required to be at most 0.075 autovacuum_max_workers required to be at least 6 Postgresql client version is '9.4.8', whereas the version on XXX is '9.4.11'. Please use a Postgresql server of version '9.4.8'. Please set: autovacuum_vacuum_scale_factor = 0.01 autovacuum_analyze_scale_factor = 0.075 autovacuum_max_workers = 6 server_version = 9.4.8 in postgresql.conf on 'XXXX'. Its location is usually /var/lib/pgsql/data , or somewhere under /etc/postgresql* .
I'm a little afraid about that. Does ovirt want pg to lies about it's version ? It's a shared instance so what about other tools that access it ? Is there some explanation about the meaning of those values ?
engine-setup it's comparing the version of the local psql client with the version reported by the remote postgresql server as for: https://bugzilla.redhat.com/show_bug.cgi?id=1331168 Currently it's a strict comparison; maybe we should be more flexibly regarding .z versions; Didi? The other checks has been introduced for performance and scaling reasons.
And it was not in the release notes, it's not funny to get this warning after starting the upgrade
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