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From "Johan Asterholm" <asterh...@gmail.com>
Subject Request
Date Tue, 23 Jan 2007 12:28:21 GMT
Since i have problems with the partition creation and i need help urgently
to have an example, I'm willing to offer  ($150 via paypal or similar) to
have this example together with attribute mapping which allows me to have a
custom schema.

BR / Johan Asterholm


2007/1/22, Johan Asterholm <asterholm@gmail.com>:
>
> Just updating the list with the latest mail. Anything pointing me in the
> right direction would be appreciated.
>
> BR / Johan Asterholm
>
> 2007/1/22, Emmanuel Lecharny < elecharny@gmail.com>:
> >
> > oh... I don't see a path to solve your problem in a couple of days.
> > Woudl it be a couple of weeks, may be...
> >
> > Anyone ?
> >
> > Sorry :(
> >
> > On 1/22/07, Johan Asterholm <asterholm@gmail.com > wrote:
> > >
> > > Hi,
> > >
> > > Basically i have a couple of days to solve this so its quite urgent
> > > for me.
> > >
> > > BR / Johan
> > >
> > >
> > >  2007/1/22, Emmanuel Lecharny <elecharny@gmail.com>:
> > > >
> > > > ok, get it. So you want your application to be the backend,
> > > > basically.
> > > >
> > > > I know this is possible, but I think you will have to implemant
> > > > something like 11 interfaces to make it works.
> > > >
> > > > Hopefully, Alex may give you more informations about it. I also have
> > > > to look at this part, and ths could be the perfect occasion.
> > > >
> > > > Is this urgent ?
> > > >
> > > > On 1/22/07, Johan Asterholm <asterholm@gmail.com > wrote:
> > > > >
> > > > > Hi,
> > > > >
> > > > > Im interesting in using ADS as a mapping between LDAP and my
> > > > > application. to get LDAP support. so basically just the frontend.
> > > > >
> > > > > I have looked arround for examples on how to write the backend but
> > > > > i havent realy found soemthing usefull.
> > > > >
> > > > > BR / Johan Asterholm
> > > > >
> > > > >
> > > > > 2007/1/22, Emmanuel Lecharny <elecharny@gmail.com>:
> > > > > >
> > > > > > ok.
> > > > > >
> > > > > > But do you need ADS at all? Or are you just interested by
> > > > > > storing DNs into a backend ?
> > > > > >
> > > > > > On 1/22/07, Johan Asterholm < asterholm@gmail.com > wrote:
> > > > > > >
> > > > > > > Hi,
> > > > > > >
> > > > > > > By backend can store up to several milion records but its
> > > > > > > quite fast in answering (about ~20 MS) when having 2 milion
records. The
> > > > > > > application will handle caching itself so no caching wold
be necessary.
> > > > > > > Basically what I'm looking for is just an example for writing
my backend.
> > > > > > >
> > > > > > > BR / Johan Asterholm
> > > > > > >
> > > > > > >
> > > > > > > 2007/1/22, Emmanuel Lecharny <elecharny@gmail.com>:
> > > > > > > >
> > > > > > > > Hi,
> > > > > > > >
> > > > > > > > the backend is using its own structure atm. It's based
on
> > > > > > > > JDBM, which is a B-tree storage.
> > > > > > > >
> > > > > > > > The DN are also stored in a B-Tree, and this is not
> > > > > > > > necessarily optimal. We may want to go for a H-tree
instead of a B-tree for
> > > > > > > > these DN (B-tree and H-tree storages are available
in JDBM)
> > > > > > > >
> > > > > > > > So basically, it's just a question to associate a
H-tree to
> > > > > > > > the DN storage.
> > > > > > > >
> > > > > > > > Ok, this is theory. In the 'real world', this would
need
> > > > > > > > more analysis, and we must evaluate the impact of
such a modification on the
> > > > > > > > code base.
> > > > > > > >
> > > > > > > > Now, I have a question : how big is your data set
? If it's
> > > > > > > > a few thousnads, there would be a very little increase
in performance doing
> > > > > > > > that : you have to consider that the cache system
will very quickly keep in
> > > > > > > > memory all the DN of your database. (you might want
to increase the cache
> > > > > > > > size for this kind of objects in your partition :
> > > > > > > > ...
> > > > > > > >    <property name="indexedAttributes">
> > > > > > > >       <set>
> > > > > > > >         <bean class="
> > > > > > > > org.apache.directory.server.core.partition.impl.btree.MutableIndexConfiguration
> > > > > > > > ">
> > > > > > > >           <property name="attributeId" value="
> > > > > > > > 1.3.6.1.4.1.18060.0.4.1.2.1" />
> > > > > > > >           <property name="cacheSize" value="100"
/>
> > > > > > > >         </bean>
> > > > > > > > ...
> > > > > > > >
> > > > > > > > In this default configuration, 100 DNs are kept into
the
> > > > > > > > cache. Just increase it to fit your needs.
> > > > > > > >
> > > > > > > > If in cache, grabbing a DN is really fast, wether
you use
> > > > > > > > H-tree or not.
> > > > > > > >
> > > > > > > > You will just have to consider if this would be of
interest
> > > > > > > > to modify the backend (with all the burden it suppose)
instead of increasing
> > > > > > > > the cache. And this is again a question of how many
DN will you have.
> > > > > > > >
> > > > > > > > I hope this help.
> > > > > > > >
> > > > > > > > Feel free to go further, we really have this Hashing
in our
> > > > > > > > radar.
> > > > > > > >
> > > > > > > > Emmanuel
> > > > > > > >
> > > > > > > > On 1/22/07, Johan Asterholm < asterholm@gmail.com
> wrote:
> > > > > > > > >
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > I'm trying to develop LDAP integration towards
an
> > > > > > > > > application, but I have a hard time to understand
how it all should work.
> > > > > > > > >
> > > > > > > > > To learn how it should be done I'm trying to
develop a
> > > > > > > > > backend which works towards a HashMap where the
hash Map includes a key
> > > > > > > > > (Identifier) And then another hashmap with attributes
(They are not
> > > > > > > > > "Attributes" but simply String names of the attribute).
I prefer this way
> > > > > > > > > since this is quite similar to what i need to
do when integrating towards or
> > > > > > > > > application.
> > > > > > > > >
> > > > > > > > > so searching for  uid=1,ou=user,cn=example,cn=com
would
> > > > > > > > > point to a row in the hashmap, but ou=user,cn=example,cn=com
is static.
> > > > > > > > >
> > > > > > > > > Is there any example where a simple backend like
this is
> > > > > > > > > done? Maybe not with a HashMap but something
similar?
> > > > > > > > >
> > > > > > > > > This would help me tremendously.
> > > > > > > > >
> > > > > > > > > BR / Johan Asterholm
> > > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > --
> > > > > > > > Cordialement,
> > > > > > > > Emmanuel Lécharny
> > > > > > > > www.iktek.com
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > Cordialement,
> > > > > > Emmanuel Lécharny
> > > > > > www.iktek.com
> > > > > >
> > > > >
> > > > >
> > > >
> > > >
> > > > --
> > > > Cordialement,
> > > > Emmanuel Lécharny
> > > > www.iktek.com
> > > >
> > >
> > >
> >
> >
> > --
> > Cordialement,
> > Emmanuel Lécharny
> > www.iktek.com
> >
>
>

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