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From: Ole-Hjalmar Kristensen <ole-hjalmar.kristensen@substitute_employer_here.com>
Subject: Re: Ada DB bindings and APQ
Date: 15 Dec 2004 09:19:33 +0100
Date: 2004-12-15T08:19:38+00:00	[thread overview]
Message-ID: <wvbrfz28m0ru.fsf@sun.com> (raw)
In-Reply-To: cpnklg$sng$1@a1-hrz.uni-duisburg.de

>>>>> "GB" == Georg Bauhaus <sb463ba@l1-hrz.uni-duisburg.de> writes:

    GB> Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote:
    GB> : On Tue, 14 Dec 2004 18:29:16 +0000 (UTC), Georg Bauhaus wrote:
    GB> : 
    GB> :> Dmitry A. Kazakov <mailbox@dmitry-kazakov.de> wrote:
    GB> :>: On Tue, 14 Dec 2004 02:25:22 -0500, Warren W. Gay VE3WWG wrote:
    GB> :>: Yep, the first error one gets: lpq not found. libpq.a is not distributed
    GB> :>: with GNAT. This might become a problem in the future.
    GB> :> 
    GB> :> I'm not at all surprised that when I use a binding but not the bound
    GB> :> thing, I'll get an error.
    GB> : 
    GB> : Does your OS complain about all devices you could potentially attach via
    GB> : USB?

    GB> It is surprising if binding to the operating system fails.
    GB> Driver not installed?

 
    GB> :>: Yes, but from user's perspective, at least one query per connection is
    GB> :>: always necessary. In some cases the user will need more, but not so often.
    GB> :> 
    GB> :> I doubt this very much. Indeed, we have a server type application
    GB> :> that does not work at all without a connection pool, because performance
    GB> :> is affected rather drastically when you control connections.
    GB> : 
    GB> : OK, but this does not contradict my point.

    GB> When you said, "but not so often," and I said, "doubt this very much",
    GB> (then gave just one example) I wanted to say that many DBes typically
    GB> _are_ queried frequently, in Hz.

Yes, a large server will typically have a transaction rate of several
thousand transactions per second.

<snip>

    GB> -- Georg

-- 
   C++: The power, elegance and simplicity of a hand grenade.



  reply	other threads:[~2004-12-15  8:19 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-12 17:42 Ada DB bindings and APQ Dmitry A. Kazakov
2004-12-14  7:25 ` Warren W. Gay VE3WWG
2004-12-14 17:37   ` Dmitry A. Kazakov
2004-12-14 18:29     ` Georg Bauhaus
2004-12-14 19:45       ` Dmitry A. Kazakov
2004-12-14 21:06         ` Georg Bauhaus
2004-12-15  8:19           ` Ole-Hjalmar Kristensen [this message]
2004-12-15 17:20           ` Dmitry A. Kazakov
2004-12-16 13:28             ` Georg Bauhaus
2004-12-17 13:23               ` Dmitry A. Kazakov
2004-12-14 23:26         ` Brian May
2004-12-15 17:43           ` Dmitry A. Kazakov
2004-12-15 21:54             ` Brian May
2004-12-15  4:05     ` Warren W. Gay VE3WWG
2004-12-15 18:26       ` Dmitry A. Kazakov
2004-12-16  2:53         ` Warren W. Gay VE3WWG
2004-12-18 16:43           ` Dmitry A. Kazakov
2004-12-18 20:36             ` Warren W. Gay VE3WWG
2004-12-18 22:21               ` Dmitry A. Kazakov
2004-12-19  0:53                 ` Warren W. Gay VE3WWG
2004-12-19 12:21                   ` Dmitry A. Kazakov
2004-12-20  5:33                     ` Warren W. Gay VE3WWG
2004-12-20 20:01                       ` Dmitry A. Kazakov
2004-12-20 20:54                         ` Warren W. Gay VE3WWG
2004-12-14 22:40   ` Brian May
2004-12-15  3:23     ` Warren W. Gay VE3WWG
2004-12-15 15:01       ` Georg Bauhaus
2004-12-17  4:31         ` Brian May
2004-12-15 10:48   ` Brian May
2004-12-16  1:40     ` Brian May
2004-12-16  3:10       ` Warren W. Gay VE3WWG
2004-12-17  4:55         ` Brian May
2004-12-17 11:13           ` Warren W. Gay VE3WWG
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