IDS Forum

AW: Maximum number of chunks in 9.40, 2047 or 32766? [5776

Posted By: Andreas.KUTSCHE@spar.at
Date: Wednesday, 21 September 2005, at 6:37 a.m.

Hi,

do I miss something in your argumentation? It don't understand the problem.

We run IDS 9.40.FC5X5 (the official 'SAP' version of Informix) on HP-UX 11.23
(IA64 = Itanium) and have 2342 active chunks at present (and adding new ones
every week). I didn't have any problems adding new chunks after enabling
Big Chunk Support.

Regards,
Andreas Kutsche


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-----Urspr|ngliche Nachricht-----

> Von: forum.subscriber@iiug.org [mailto:forum.subscriber@iiug.org]Im
> Auftrag von ART KAGEL, ....
> Gesendet: Mittwoch, 21. September 2005 04:45
> An: ids@iiug.org
> Betreff: Re: Maximum number of chunks in 9.40, 2047 or 32766? [5776
> [5778]
>
>
> Not a bug, it was described to me as a 'decision'. The docs
> were written saying
> there could be 32766 chunks and the message from onstat reflects that
> 'official' limit. Unfortunately, a programming decision was
> made at some point
> not to change the physical format of the page numbers and
> this has caused the
> former limit of 2047 chunks to be retained in all of the
> code. IBM is working
> on this. Most unfortunately, I discovered the 'problem'
> personally researching
> a presentation on IDS internals for the Denver IDUG/IIUG
> conference last spring
> using a release of 9.40 I was given pre-release. I reported
> it which stirred
> up a hornet's nest but it was too late to either fix the code
> or correct the
> manuals and onstat output.
>
> Art S. Kagel
> ----- Original Message -----
> From: Kern Do <kern_doe@yahoo.com>
> At: 9/20 19:38
>
> Hello everyone,
> 1) Version 9.40 still limits to 2047 chunks (onstat -d shows
> this figure), that
> is true, my test has confirmed that.
> 2) When issue onmode -BC 1/or 2 -- onstat -d shows 32766;
> however, my test of
> adding chunks always fail when the number of "active" from
> onstat -d is greater
> than 2045.
>
> The conclusion from my experiment (for my Informix version
> 9.40FC5X3 on HP-Ux
> 11.11) is that I can never have more than 2045 chunks or
> dbspaces in an instance
> regardless Informix onstat -d says 32766.
>
> Is it a bug?
> or what am I missing?
>
> Thanks in advance
> Kern --

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