Subject Re: [firebird-support] Firebird/ASA/Clarion
Author Martijn Tonies
----- Original Message -----
From: "Johan van Zyl" <johan@...>
To: <firebird-support@yahoogroups.com>
Sent: Thursday, April 01, 2004 4:26 PM
Subject: [firebird-support] Firebird/ASA/Clarion


> >From NewsServer: discuss.softvelocity.com
> News Group: comp.lang.clarion
>
> >I think demand, and interest, has shown that it's necessary.<
> Before you commit too heavily for something that people might back away
> from, I think people need to be apprised of a few of my findings that I'm
> sure will come out shortly anyway.
>
> I've been playing detective and have not found anything that posts SQL
> statements to a file to enable a roll forward even though there is a
vendor
> out there that say that he can do that. He relies on you running a
command
> line process that moves captured statements to a file. This is not
> something that captures statements to an external log file when the
> transaction is committed. Furthermore, it is user based, not cheap, and
not
> free to distribute. If it turns out that you need pay-for tools at the
user
> site, then it is not much, if any cheaper than ASA, and may be more
costly,
> all things considered.
>
> There are more problems than hardware problems that happen in production
> environments. There are the "I had a woopsy. I shouldn't have purged all
> of those records. Can you get them back for me?"
> - The ASA answer: "Yes but it's going to cost you. I'll think of
> something."
> - The Firebird answer: "Yes, but could you help me out by going around
and
> ask everyone if it is OK to lose everything that occurred since "sometime"
> in the middle of third shift last night. Would you like me to idle our
> automotive supplier manufacturing facility and its 350 users right now for
> you? BTW, when you are finished and let me know what you want to do, tell
> GM that they're going to get an extended lunch break tomorrow at their
> Arlington Assembly plant while we airfreight parts to them."<G>
>
> People could counter with, "Hey just run the log file maker a lot.
Besides,
> you could run it after the fact with the mass delete, and still get the
rows
> back". You'd be right, but for me this stirs thoughts of a famouse Disney
> character, and breeds low confidence.
>
> Currently, in my mind, Firebird cannot be positioned alongside of ASA,
since
> it would be irresponsible to deploy it in a mission-critical role, at
least
> until I was convinced of a solid logging solution. It appears to come in
> well ahead of TPS in almost any case, and ahead of MSDE in most, but not
all
> situations. The ability to step between embedded demo and mission
critical
> client server using the same database does not seem reasonable based on
what
> I know so far. These reasons are the source of my reticence to commit to
> Firebird after spending considerable time working with and testing it.
I'm
> not an expert in Firebird now by any means. However, the fact that it has
> been so difficult to find a straight answer on LOG files, something
required
> for any mission critical app, indicates that there really is not much
> experience out here.
>
> If people are still as hot on Firebird as ever, then it may be a good
> business decision. However, I do not see Firebird reducing the market for
> FM3 support for ASA for the reasons cited. I simply see Firebird as an
> additional revenue opportunity that will probably be a little less than
> anticipated, but perhaps worthwhile nonetheless.
>
> Regards,
> Jack T.
>
>
>
> JVZ Systems CC Customised Software - When it needs
> to fit like a glove
>
> Johan van Zyl
> Owner JVZ Systems CC
> PO Box 3469
> Somerset West
> 7129
> johan@... http://www.jvz.co.za tel:
> fax:
> mobile: +27 21 851 7205
> +27 21 852 2387
> 082 875 4238
>
>
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