[Building Sakai] LDAP caching

[Sam Ottenhoff]

Does anyone mind if I remove the JLDAP caching code from trunk Sakai?  I
believe we're only creating confusion for implementors.....

--Sam


On Fri, Dec 20, 2013 at 1:53 PM, Aaron Zeckoski <azeckoski at unicon.net>wrote:

> I think that setCacheTTL is not actually functional based on this:
> https://jira.sakaiproject.org/browse/SAK-21110
>
> -AZ
>
>
> On Fri, Dec 20, 2013 at 1:48 PM, Kusnetz, Jeremy <JKusnetz at apus.edu>
> wrote:
> > Thanks Sam.
> >
> >
> >
> > I’m probably missing something here, but can I override the default of 5
> > minutes?
> >
> >
> >
> > Shouldn’t
> >
> memory.edu.amc.sakai.user.JLDAPDirectoryProvider.userCache=timeToLiveSeconds=14400,timeToIdleSeconds=3600,maxElementsInMemory=20000
> >
> > Have set it to 14400 seconds?  If so, it’s not acting that way.
> >
> >
> >
> > I do see in JLDAPDirectoryProvider.java public static final long
> > DEFAULT_CACHE_TTL = 5 * 60 * 1000;
> >
> > But I also see that there is a setCacheTTL which should be able to
> override
> > it.
> >
> >
> >
> >
> >
> > From: Sam Ottenhoff [mailto:ottenhoff at longsight.com]
> > Sent: Friday, December 20, 2013 11:24 AM
> > To: Kusnetz, Jeremy
> > Cc: sakai-dev Developers
> > Subject: Re: [Building Sakai] LDAP caching
> >
> >
> >
> >
> >
> >
> >
> > Looking at the LDAP debug logs we see that the entry is found in the
> cache
> > but it’s expired?  This is only after a few minutes after doing the
> initial
> > lookup from the LDAP server.
> >
> >
> >
> >
> >
> > Yes, the default is an incredibly low 5 minutes.  If others support
> > increasing this cache default time, let's file a JIRA and raise the
> default.
> >
> >
> >
> > We added to sakai.properties:
> >
> >
> memory.edu.amc.sakai.user.JLDAPDirectoryProvider.userCache=timeToLiveSeconds=14400,timeToIdleSeconds=3600,maxElementsInMemory=20000
> >
> >
> >
> >
> >
> > I believe we should just remove this JLDAP cache in favor of caching in
> the
> > central UserDirectoryService.  So I would just zero out this JLDAP cache
> and
> > then increase the central cache like this:
> >
> >
> >
> >
> memory.org.sakaiproject.user.api.UserDirectoryService.callCache=timeToLiveSeconds=43200,timeToIdleSeconds=0,maxElementsInMemory=50000
> >
> >
> >
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> >
> >
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>
> --
> Aaron Zeckoski - Software Architect - http://tinyurl.com/azprofile
>
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