You brought the discussion on this ground. As soon as you manage to "google out" something real, I mean: something so "superficial" that has full LDAP semantics and that people can use to look up directories and authenticate with better performances, please let us know.
p. [EMAIL PROTECTED] wrote: > No kidding! Embedded database systems - 'local' files only with no > other overhead of course, from the superficial standpoint will 'out > perform' another DBMS that is being used in a client/server mode. These > are obvious facts. Once the SQL engine receives the data in an RDBMS > vs. the embedded database format, then you can start comparing apples to > apples. > > Based on what I said initially, looks like there are many liberties > being taken to what was implied. Of course I was thinking that we would > all be agreeing on the context, which didn't happen; that said, I would > like to state clearer, that when in a client/server model naturally > there are going to be greater overhead in process boundaries and naming > contexts that will not be able to compete with an embedded database. > They each have their own market of applicability. For contexts sake > from the moment of 'true' processing SQL engine - once the RDBMS system > has received it's data - vs. local embedded DBMS, this brings the > context and comparison much closer. I too can go out and google > benchmarks, but if you want to impress me with truth and facts, let me > know how we can bencharmk engine vs. engine, not a Hummer running down > the road at 85mph with air resistance for mpg, vs. an engine sitting on > a concete block running for same mpg performance... c'mon. > > > On Fri, 22 Jun 2007, Pierangelo Masarati wrote: > >> [EMAIL PROTECTED] wrote: >>> That's funny that you would ask that, seeing as how the initial >>> statements had no such quantification either... did I make my point? >> >> For a general discussion of why it is unlikely that an RDBMS based >> database can possibly outperform an embedded database, see >> <http://www.openldap.org/faq/data/cache/378.html>. >> >> For real numbers, and comparisons with other products, see, for example >> <http://www.symas.com/benchmark.shtml> and >> <http://www.openldap.org/lists/openldap-software/200705/msg00014.html>. >> >> Obviously, you can object, there's no comparison with any Directory >> Server based on an RDBMS data store. >> >> p. >> >> >> >> Ing. Pierangelo Masarati >> OpenLDAP Core Team >> >> SysNet s.r.l. >> via Dossi, 8 - 27100 Pavia - ITALIA >> http://www.sys-net.it >> --------------------------------------- >> Office: +39 02 23998309 >> Mobile: +39 333 4963172 >> Email: [EMAIL PROTECTED] >> --------------------------------------- >> >> > Ing. Pierangelo Masarati OpenLDAP Core Team SysNet s.r.l. via Dossi, 8 - 27100 Pavia - ITALIA http://www.sys-net.it --------------------------------------- Office: +39 02 23998309 Mobile: +39 333 4963172 Email: [EMAIL PROTECTED] ---------------------------------------
