+1
----- "Toshio Kuratomi" <a.badger@xxxxxxxxx> wrote:
> A couple weeks ago we were having problems with xen13. db2 was on
> xen13. We moved the databases that lived on db2 onto db3. That's
> been
> working out pretty well as db3 was sized to run koji before the
> latest
> round of koji optimizations so it's a pretty powerful box.
>
> However, when we moved the databases we left out the scripts that
> clean
> up the session tables for FAS. This means that everytime a user hits
> one of our websites, it makes the FAS database grow. Currently the
> FAS
> db is over 2GB in size with 860MB of that in the visit table.
>
> We can't reclaim the space without running a vacuum full (or dropping
> and recreating that table) which would mean downtime. However, we
> don't
> seem to have any performance issues at this time so I'm mostly
> concerned
> with the table continuing to grow rather than getting the space back.
>
> I'd like to apply the following change in puppet which just installs
> the
> cleanup script and cron job onto db3 where it can start working to
> keep
> the visit table at its present level. When we switch back to having
> db2
> separate from db3 we can disable this script on db3 and drop the
> fas2
> database there (which will recover the space).
>
> diff --git a/manifests/services/db.pp b/manifests/services/db.pp
> index 8e7587f..e5a6409 100644
> --- a/manifests/services/db.pp
> +++ b/manifests/services/db.pp
> @@ -52,6 +52,17 @@ class kojiDb inherits postgresServer {
> source => "system/koji-cleanup-sessions.cron"
> }
>
> + cron { db-cleanup-sessions:
> + command => "/usr/local/bin/db-cleanup-sessions",
> + user => postgres,
> + minute => 10,
> + ensure => present,
> + }
> +
> + script { '/usr/local/bin/db-cleanup-sessions':
> + source => 'db/db-cleanup-sessions',
> + require => Package['postgresql8.3-server'],
> + }
> }
>
> class appDB inherits postgresServer {
>
>
> -Toshio
>
>
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