[dancer-users] Debugging sessions

Nikola Mitev nik at mitev.eu
Fri Nov 23 08:26:24 GMT 2018


On Fri, 2018-11-23 at 12:16 +1100, Nathan Bailey wrote:
> I doubt this is related, but DPAE::Database had/has a DB handle
> caching issue which creates a MySQL connection issue,
> see https://github.com/PerlDancer/Dancer2-Plugin-Auth-Extensible-
> Provider-Database/issues/3

I do use cached connections to the database, but the database is on
localhost so it should only go away if Postgres crashes? If id did
crash I will know about it :)

> It's possible that something in your app (at the "system" module
> level) is caching something badly (although it wouldn't explain why
> it only affects one user...)

Exactly - for everyone else all works as usual.

Nik
> -N
> 
> On Fri, 23 Nov 2018 at 07:38, Nikola Mitev <nik at mitev.eu> wrote:
> > Thank you for the suggestion, it makes a lot of sense for me as the
> > app
> > does write to a database and the risk of data corruption is
> > certainly
> > not worth the efficiency gains at the current load (which is very
> > unlikely to increase drastically).
> > 
> > I will definitely look into a single threaded server - whether it
> > will
> > resolve the session issues we will wait and see :)
> > 
> > Nik
> > 
> > On Thu, 2018-11-22 at 12:55 -0700, Warren Young wrote:
> > > On Nov 22, 2018, at 12:54 PM, Warren Young <warren at etr-usa.com>
> > > wrote:
> > > > 
> > > > 
> > > > On Nov 22, 2018, at 1:23 AM, Nikola Mitev <nik at mitev.eu> wrote:
> > > > > 
> > > > > 
> > > > > I am using Starman with Nginx in front of it
> > > > ...every code path in your app that touches global state needs
> > to
> > > > be protected…
> > > To be clear, by “touch” I mean “modify”.  If your app is fully
> > read-
> > > only, then none of what I wrote matters.
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> > 
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