no it doesnt matter what id i generate or get. This is still not
enough because it doesnt say any thing if i can delete it or not. i
have an id 1 then i restart and i have id 2 can i then delete
everything from 1? No i cant because there could be live sessions from
1.

On 11/14/07, Chris Lintz <[EMAIL PROTECTED]> wrote:
>
> The process ID is just an idea for a unique ID.  If that wont work for you,
> lets dream another unique ID .
>
>
>
> Johan Compagner wrote:
> >
> > ohh wait that also doesn't work (process id can also be generated once
> > ofcourse) but you can have mulitply dirs created with 10 different
> > processes that are all valid. so that doesn't solve anything
> >
> > On 11/14/07, Johan Compagner <[EMAIL PROTECTED]> wrote:
> >> can you get the current process id by general api in java? have to
> >> look at Runtime then.
> >>
> >> On 11/14/07, Chris Lintz <[EMAIL PROTECTED]> wrote:
> >> >
> >> > That makes sense.  Another thought that possibly makes it a bit easier
> >> is
> >> to
> >> > name the page store directories with a unique process identifier. For
> >> > example, if my session ID is B31598D4B206B75161AFE08FB5610D54.n1 and
> >> the
> >> > process ID is 123456, then the Page store directory would be:
> >> >
> >> >    MyWebSite-filestore/123456/B31598D4B206B75161AFE08FB5610D54.n1
> >> >
> >> > With a structure like that it would be easy for a thread to remove the
> >> Page
> >> > store directories that do not have the current process ID.
> >> >
> >> > Just a thought.
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > Johan Compagner wrote:
> >> > >
> >> > > Yes the pagestore knows which files it makes, but it is not the
> >> controller
> >> > > of those files
> >> > > because the only thing that controls if the file must be deleted or
> >> not
> >> is
> >> > > the servlet container
> >> > > with the session objects.
> >> > >
> >> > > and as far as i know there is no api where i can ask which sessions
> >> are
> >> > > still active.
> >> > > So the only thing we could do is have a thread running that is waking
> >> up
> >> > > every day once
> >> > > and checks if there are files older then X. And that thread must be
> >> > > configured by you
> >> > > explicitly setting the timeout that you want to have.
> >> > >
> >> > > johan
> >> > >
> >> > >
> >> > >
> >> > >
> >> > > On Nov 14, 2007 12:04 AM, Chris Lintz <[EMAIL PROTECTED]>
> >> > > wrote:
> >> > >
> >> > >>
> >> > >> I think from previous threads there was discussion about something
> >> that
> >> > >> you
> >> > >> could do.  For instance, the Page store should know what cache files
> >> it
> >> > >> is
> >> > >> controlling.  By that logic alone it can deduce what it is no longer
> >> > >> referencing and cleanup what was left form it.
> >> > >>
> >> > >> It seems silly to me to ask people to rely on graceful restarts or
> >> write
> >> > >> your own cleanup script from a framework that created cache files.
> >> It
> >> > >> seems
> >> > >> fairly standard to ask "clean up what was yours."   I'd like to hear
> >> > >> other
> >> > >> input from average users.
> >> > >>
> >> > >>
> >> > >>
> >> > >> Johan Compagner wrote:
> >> > >> >
> >> > >> > as long as your server doesn't crash and isn't terminate by a kill
> >> -9
> >> > >> > no files are leaked..
> >> > >> >
> >> > >> > When that does happen then yes you have to clean it up.
> >> > >> > If you dont care about those files after a restart then in the
> >> script
> >> > >> that
> >> > >> > starts your webcontainer
> >> > >> > you will just remove all the files in the work dir.
> >> > >> >
> >> > >> > I don't think wicket can do much about it.
> >> > >> >
> >> > >> > johan
> >> > >> >
> >> > >> >
> >> > >> > On Nov 13, 2007 10:41 PM, Chris Lintz
> >> <[EMAIL PROTECTED]>
> >> > >> > wrote:
> >> > >> >
> >> > >> >>
> >> > >> >> All,
> >> > >> >> I have submitted a Jira on this topic.  I will leave it to the
> >> great
> >> > >> >> minds
> >> > >> >> to debate.  In any case, it appears restarting the container
> >> cannot
> >> > >> >> notify
> >> > >> >> the HttpSessionListeners that are bound to the page store files.
> >> It
> >> > >> >> would
> >> > >> >> be nice if the framework can cleanup what I consider a leak of
> >> the
> >> > >> cache
> >> > >> >> files it created.  Otherwise folks like myself living in an high
> >> > >> traffic
> >> > >> >> site are forced to generate script look for old page store cache
> >> > >> files.
> >> > >> >>
> >> > >> >> https://issues.apache.org/jira/browse/WICKET-1158
> >> > >> >>
> >> > >> >>
> >> > >> >> Johan Compagner wrote:
> >> > >> >> >
> >> > >> >> >>
> >> > >> >> >> > And from top of my head there is no api to get all the
> >> current
> >> > >> >> session
> >> > >> >> >> id's
> >> > >> >> >> > from
> >> > >> >> >> > an instance when the instance does start up..
> >> > >> >> >>
> >> > >> >> >> But we could ditch ALL the directories it can find in the temp
> >> > >> >> >> directory the page store uses when starting up, right?
> >> > >> >> >>
> >> > >> >> >
> >> > >> >> > No we can't do that, If you as you should terminate your web
> >> > >> container
> >> > >> >> > gracefully
> >> > >> >> > then the web container will save all the sessions to disk. Then
> >> if
> >> > >> you
> >> > >> >> > restart it again
> >> > >> >> > all the sessions are loaded again. And yes the application
> >> works
> >> > >> just
> >> > >> >> as
> >> > >> >> > it was never
> >> > >> >> > restarted. But if we throw away all the page stores. Then we
> >> loose
> >> > >> all
> >> > >> >> the
> >> > >> >> > data
> >> > >> >> > of sessions that are currently active.
> >> > >> >> >
> >> > >> >> > The only thing i can think of is having some check that only
> >> deletes
> >> > >> >> > things
> >> > >> >> > that are not touched for X hours or days.
> >> > >> >> >
> >> > >> >> > johan
> >> > >> >> >
> >> > >> >> >
> >> > >> >>
> >> > >> >> --
> >> > >> >> View this message in context:
> >> > >> >>
> >> > >>
> >> >
> >>
> http://www.nabble.com/How-To-Change-Page-Store-Size-in-DiskPageStore--tf4768072.html#a13735298
> >> > >> >> Sent from the Wicket - User mailing list archive at
> >> > >> >> Nabble.com <http://nabble.com/><http://nabble.com/>
> >> > >> >> .
> >> > >> >>
> >> > >> >>
> >> > >> >>
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> >> > >> >>
> >> > >> >
> >> > >> >
> >> > >>
> >> > >> --
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> >> > >>
> >> >
> >>
> http://www.nabble.com/How-To-Change-Page-Store-Size-in-DiskPageStore--tf4768072.html#a13736689
> >> > >>  Sent from the Wicket - User mailing list archive at
> >> > >> Nabble.com<http://nabble.com/>
> >> > >> .
> >> > >>
> >> > >>
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> >> >
> >> > --
> >> > View this message in context:
> >> >
> >>
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> >> > Sent from the Wicket - User mailing list archive at Nabble.com.
> >> >
> >> >
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> --
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