From: | "Jonah H(dot) Harris" <jonah(dot)harris(at)gmail(dot)com> |
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To: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
Cc: | "David Fetter" <david(at)fetter(dot)org>, "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, pgsql-hackers(at)postgresql(dot)org, "Dave Cramer" <pg(at)fastcrypt(dot)com>, "Josh Berkus" <josh(at)agliodbs(dot)com>, "Satoshi Nagayasu" <nagayasus(at)nttdata(dot)co(dot)jp>, "Thomas Hallgren" <thomas(at)tada(dot)se> |
Subject: | Re: Three weeks left until feature freeze |
Date: | 2006-07-13 13:29:06 |
Message-ID: | 36e682920607130629v3932ebd5ue1df2484f619cdb8@mail.gmail.com |
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Lists: | pgsql-hackers |
On 7/12/06, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> > I don't really think anyone would want to run both, but
> > that's just my opinion.
>
> On what grounds do you not think that?
Too much Java overhead on one database and PL/J isn't that stable.
I've run into several crash problems with it before.
> PL/J uses an external JVM, PL/Java one that is running in the
> backend process. (Or maybe it was the other way 'round, I'm too
> tired to remember tonight.)
While tired, you're still correct :)
> That's a really fundamental difference that makes them suited for very different
> applications; not to mention the resulting different licensing scenarios.
Not really, both require a JVM so the same licensing still applies.
> The points that have been made in this thread about PL/J not being
> actively maintained are important, but other than that objection,
> I can see no reason that PL/J wouldn't have an equal claim to inclusion
> in core.
I'm being objective here, and PL/J is not nearly as stable or
well-maintained... that means a lot to me or to anyone who looks at
using a Java PL. Do we intend to ship both and say that one is less
capable? Have you used either of them? Don't get me wrong, I like
PL/J in concept... but it's just not even close to production-ready
yet. I know of no one using PL/J in production and about 40 or so
people using PL/Java.
> Perhaps more, because it gives us an extra layer of insulation
> from JVM licensing questions.
Again, I don't believe so. I'd like to hear how Dave thinks so, though.
--
Jonah H. Harris, Software Architect | phone: 732.331.1300
EnterpriseDB Corporation | fax: 732.331.1301
33 Wood Ave S, 2nd Floor | jharris(at)enterprisedb(dot)com
Iselin, New Jersey 08830 | http://www.enterprisedb.com/
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