Re: Informix Tech Support?
Posted in 1998
>SIZE=3>Subject: Re: Informix Tech Support?
>From: Ray Garrison <apsnet@ix.netcom.com>
>
>This is a discussion thread I have wanted to see for quite some time.
>
>My company has been using Informix since 1990, for the most part the
>OnLine engine on HP9000 servers of various sorts. Our databases are
>not huge as these things go, but we are somewhat unusual in that most
>DSS queries result in joins across three tables, each of which
>currently has over 100,000,000 rows. We do a lot of "how many
>green widgets did Anycity process last month, compared to our
>overall average the previous month and every other city's average
>for last month and the same month last year" type questions. At the
>same time, the database is supporting an OLTP environment that inserts
>about 400,000 new rows into each of those three tables every day.
>
>We frequently run into oddball problems - queries that never finish,
>"assert failed - PANIC" type events, optimizer SNAFUs, and we are
>constantly tweaking buffers, virtual processors, memory, kernel
>parameters, and everything else in a desparate attempt to wring faster
>processing. System currently is an HP9000 V2200 with 2 GIG RAM,
>4 CPU, 64 bit HP/UX 11.0, 25 X 4 GIG disk on 5 FWSCSI II chains,
>OnLine 7.23.UC1
>
>I have _NEVER_ received _ANY_ exceptional assistance from Informix
>Tech Support in the 8 years I've used them, and on a scale of 1 to 10
>I would say they average about 2. That scale, by the way, has WRQ
>at about a 9 and CheckFree at a 5, just for comparison.
>
>I currently am waiting for an answer as to why I always get the
>message "unknown error message 874" every time I try to set
>pdqpriority. Error message text points at the optimizer, and
>says to note conditions and call tech support. Fine. Conditions
>are no one else is logged onto the damn host, I'm the only user,
>I'm sitting in the ISQL window, no jobs/queries are running, and
>I type set pdqpriority high. Or 100. Or low. Or whatever. Same
>error message. Tech support asks me to fax them my onconfig, a
>printout of onstat -a (which is huge), mayby try running oncheck
>against each table and index (!!!) as "it might help", etc.
>
>
Ray,
What is the case number for this problem?
Madison Pruet