Hi,
i hope your illusions are not completely destroyed by this mail. Please do not
transform the SAPDB instance type into one of the nets never ending stream of rumours
;-)
If you have a closer look at the sources (which is difficult, but possible) you will
find the instance type is nothing mysterious:
cserver.pcf -> XParam_File
-> veo79.c 'XParam->szInstanceType'
-> veo58.c vcold() -> prms->sp2xp_instance_type
-> vgg01 g01default_configuration() -> kglInstanceType_gg00
g01is_livecache() := g01glob.kglInstanceType_gg00 = itLVC_egg00;
THAT's it!!!!
Only LVC has a special handling. All other map to OLTP. The other instance types
are not used inside SAPDB, but outside...
The content server is SAP software that uses a SAPDB instance to store and retrieve
documentation. The 'index' and 'workflow' handling are not part of SAPDB (and
unfortunatly no open source software too). The business warehouse instance type allows
the SAP BW to configure itself. The Data cube
handling inside SAP business warehouse is unfortunatly no open source software too.
The SAP software reads the instance type from the parameters to configure itself. The
SAPDB instance 'CS' is a normal OLTP instance from SAPDB point of view! Only 'LVC' is
handled as a special type inside SAPDB.
If we would have to modify SAPDB for special requests from CS or BW department, we
could use the instance type (which again is currently not the case, but could happen
without warning...). This is the reason why it is discouraged to use other instance
type than OLTP.
I hope the answer is not to disappointing.
CU
jrg
J�rg Mensing
SAP Labs Berlin
Alt-Moabit 96
10559 Berlin
visit www.sapdb.org
> -----Original Message-----
> From: [EMAIL PROTECTED] [mailto:wojtek@;power.com.pl]
> Sent: Dienstag, 22. Oktober 2002 08:31
> To: Stephen Gutknecht (SAPDB)
> Cc: ed; [EMAIL PROTECTED]
> Subject: RE: Content Server
>
>
>
> Hello,
>
> >Your question doesn't make sense to many of us here.
>
> Well, there are those three misterious "instance types" here
> and there.
> Their names sound promising but there is almost no documentation.
>
> SAP people in general say "hands off", but someting is there in the
> sources, so people are tempted to try, me among them.
>
> For example liveCache sounds like a perfect backend for JMS.
> Content Server
> sounds like something that would allow creation of a listserver with
> full-text indexing.
>
> Or not, who knows.
>
>
> Regards,
> Wojtek
>
>
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