[ckan-dev] cache_dir

Luca De Santis dex at lucadex.it
Mon Feb 9 09:40:16 UTC 2015


Hi Marco,
according to the Beaker docs you can delete old cache files without any problem. 
See http://beaker.readthedocs.org/en/latest/sessions.html#deleting “Removing Expired/Old Sessions”

Ciao,
L.


Il giorno 04/feb/2015, alle ore 13:58, Marco Combetto <marcomb at hotmail.com> ha scritto:

> Thanks a lot, we will think about, but I don't understand why I should keep these sessions forever even if in another place
> 
> Could I delete them after a while (eg 1 month)? and without stopping CKAN in the meanwhile?
> 
> Thanks!
> 
> Marco
> 
> 
> 
> > Date: Wed, 4 Feb 2015 11:01:04 +0000
> > From: ross at servercode.co.uk
> > To: ckan-dev at lists.okfn.org
> > Subject: Re: [ckan-dev] cache_dir
> > 
> > Hi Marco,
> > 
> > Try the instructions at 
> > http://stackoverflow.com/questions/13781023/how-to-configure-ckan-to-store-sessions-somewhere-other-than-disk-e-g-db-or-me 
> > they should help.
> > 
> > Ross
> > 
> > Marco Combetto wrote:
> > > I revamp this old thread about the caching because I just crashed my
> > > Production CKAN.
> > > Could I get rid of these files periodically? Is there a way?
> > >
> > > In facts, I just realized today that our CKAN is producing hundreds of
> > > thousands of small files on the cache directory (/session in
> > > particular), file like this:
> > >
> > > ./default/sessions/container_file/5/59/5992e9b028454f8684e5d53a0f2a8005.cache
> > >
> > > Basically the file system crashed because we reached the max number of
> > > INode on it.
> > >
> > > Is there a setting on the PRODUCTION.INi to avoid this caching?
> > > Is there any issue related if I setup a cron job that delete these files
> > > periodically
> > >
> > > Thanks a lot for any suggestions
> > >
> > > Marco Combetto
> > > marcomb at hotmail.com <mailto:marcomb at hotmail.com>
> > > Mobile: +39 3316329971
> > > www.*linkedin*.com/in/*marco*mb
> > >
> > >
> > >
> > >
> > > ------------------------------------------------------------------------
> > > From: y2kristi at hotmail.com
> > > To: ckan-dev at lists.okfn.org
> > > Date: Fri, 14 Mar 2014 05:11:13 -0400
> > > Subject: Re: [ckan-dev] cache_dir
> > >
> > > thanks so much!
> > >
> > > > Date: Fri, 14 Mar 2014 09:09:45 +0000
> > > > From: david.raznick at okfn.org
> > > > To: ckan-dev at lists.okfn.org
> > > > Subject: Re: [ckan-dev] cache_dir
> > > >
> > > > Hello
> > > >
> > > > The normal data is not stored on disk first and goes straight in the
> > > database.
> > > >
> > > > David
> > > >
> > > > On 14 March 2014 09:04, kristi powell <y2kristi at hotmail.com> wrote:
> > > > > oh I understand. I'm asking now if a copy of the data that will be
> > > saved to Postgres is saved anywhere else on the file system before being
> > > persisted.
> > > > >
> > > > >> On Mar 14, 2014, at 5:00 AM, "David Raznick"
> > > <david.raznick at okfn.org> wrote:
> > > > >>
> > > > >> The data saved there is never persisted to the database, but is saved
> > > > >> locally just for a single request.
> > > > >>
> > > > >>> On 14 March 2014 08:55, kristi powell <y2kristi at hotmail.com> wrote:
> > > > >>> but is the data actually saved locally before it's persisted to
> > > the db anywhere?
> > > > >>>
> > > > >>>> On Mar 14, 2014, at 4:41 AM, "David Raznick"
> > > <david.raznick at okfn.org> wrote:
> > > > >>>>
> > > > >>>> Hello
> > > > >>>>
> > > > >>>> The cache directory or the session directory is only used for stuff
> > > > >>>> that is not saved in the database. It is always safe to remove. It
> > > > >>>> is only used for very temporary data. CKAN only uses it infact to
> > > > >>>> store the little popup messages that come up after you are
> > > redirected
> > > > >>>> to a new page.
> > > > >>>>
> > > > >>>> David
> > > > >>>>
> > > > >>>>> On 14 March 2014 07:36, kristi powell <y2kristi at hotmail.com> wrote:
> > > > >>>>> can anyone explain this setting to me please?
> > > > >>>>>
> > > > >>>>> thanks.
> > > > >>>>>
> > > > >>>>>> On Mar 13, 2014, at 3:45 AM, "kristi powell"
> > > <y2kristi at hotmail.com> wrote:
> > > > >>>>>>
> > > > >>>>>> hello...
> > > > >>>>>>
> > > > >>>>>> is there anything written into cache before the data is saved
> > > to the database? I see a setting called "cache_dir" is that just session
> > > information or actual data? is there any data saved locally before it's
> > > persisted?
> > > > >>>>>>
> > > > >>>>>> thanks
> > > > >>>>>>
> > > > >>>>>> kristie
> 

-- 
Luca De Santis 
email: dex at lucadex.it
web: http://www.lucadex.it

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