Re: Ammunition
От | Bruce Momjian |
---|---|
Тема | Re: Ammunition |
Дата | |
Msg-id | 200308132350.h7DNorp18815@candle.pha.pa.us обсуждение исходный текст |
Ответ на | Re: Ammunition (Christopher Browne <cbbrowne@acm.org>) |
Список | pgsql-advocacy |
To me, the big MySQL issue is that it isn't an open source development project, just a company that distributes code via open source. They will never be able to keep up with us. --------------------------------------------------------------------------- Christopher Browne wrote: > acc@anthonychavez.org writes: > > The main reason that I chose PostgreSQL as my focus all these years > > is a simple (and important) one: ACID compliance. But beyond that, > > I'm clueless. I don't have as much exposure to MySQL as I should. > > So any pointers and ammo that you can offer would certainly be > > appreciated. > > I think the idea is to instead ask pointed questions. > > A good start is to ask about what is going on with the licensing > changes, and whether this is really compatible with "free software." > > After all, the makers of Linux don't expect that you buy a commercial > license to Linux in order to use it in commercial contexts. Nor do > the makers of OpenOffice.org, GNOME, KDE, GTk, or GCC. Nor do the > makers of FreeBSD, NetBSD, OpenBSD. > > What is it that makes MySQL AB so special that they should _expect_ to > be paid $450/box for "commercial use" when all these other prominent > free software projects don't make such demands? > > The other place to be pointed is in asking what's up with the SAP-DB > "integration" effort. Some interesting things there: > > -> Some users of SAP-DB are very concerned about the licensing > changes, as their business model involved using SAP-DB as > licensing-fee-free software, just like Linux and other free > software. > > -> Some SAP-DB users have considered developing their own ODBC/JDBC > drivers and licensing them under the LGPL so that client software > would not have to be licensed under the GPL. What do they think > of that idea? > > -> In what way will SAP-DB be likely to replace any or all of the > existing MySQL code base? > > My suspicion is that this integration project might easily be the > death of the company, as it seems quite risky. The code base for > SAP-DB is quite scary; lots of old legacy mainframe code in there. > Changing the SAP-DB code to conform with what MySQL needs strikes me > as being a potentially huge morass. And if they get into any sort of > "morass," that'll eat the $19.5M of capital pretty quick. > > I just can't see what would get "integrated." Pulling in chunks of > SAP-DB code to provide implementations of things that MySQL is missing > seems just supremely unlikely. The only way for it to _actually_ work > is for them to (say) replace the whole MySQL backend with SAP-DB. > > Of course, if they do _that_, it begs the question of why. Why, if > MySQL AB's engine is good, would MySQL AB want to throw away their own > engine in favor of someone else's? > > I'm quite honestly curious as to what the "endgame" is supposed to be > with MySQL+SAP-DB. All the ones I can imagine seem strange. > > I'm intentionally suggesting that you ask questions, as opposed to > "Here's why PostgreSQL is better!" arguments. It's likely NOT in good > taste to try to steal thunder by doing direct PG advocacy. > > I have been at LUG meetings where someone (who shall remain nameless, > since his name resembles that of a regular participant here, and the > confusion would just cause grief, especially since that participant > signs my expense and vacation forms :-)) heckled assorted speakers who > spoke on Java and Python, because he's immensely excited about some of > the upcoming Perl 6 technology. The heckler irritated practically > everyone by virtually trying to hijack the talk. Don't be him :-). > -- > "cbbrowne","@","cbbrowne.com" > http://www.ntlug.org/~cbbrowne/advocacy.html > Error: Keyboard not attached. Press F1 to continue. > > ---------------------------(end of broadcast)--------------------------- > TIP 8: explain analyze is your friend > -- Bruce Momjian | http://candle.pha.pa.us pgman@candle.pha.pa.us | (610) 359-1001 + If your life is a hard drive, | 13 Roberts Road + Christ can be your backup. | Newtown Square, Pennsylvania 19073
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