Re: [PERFORM] Alternatives to Dell?

2004-12-03 Thread Cott Lang
Consider Sun's new line of Opterons. They've been around for a couple of years under the Newisys name. I'm using dozens of them for web servers and PG servers and so far both the v20z and v40z have been excellent performers with solid reliability. The pricing was also competitive since Sun is look

Re: [PERFORM] Alternatives to Dell?

2004-12-03 Thread Joshua D. Drake
Cott Lang wrote: Consider Sun's new line of Opterons. They've been around for a couple of years under the Newisys name. I'm using dozens of them for web servers and PG servers and so far both the v20z and v40z have been excellent performers with solid reliability. The pricing was also competitive

Re: [PERFORM] Alternatives to Dell?

2004-12-03 Thread Cott Lang
Most of mine I got through a Sun reseller. Some of mine I got off of Ebay. You should be able to get them a lot cheaper than than retail web pricing. :) However, even full retail seems like it was a hell of a lot cheaper for a v40z than a DL585. :) On Fri, 2004-12-03 at 06:30 -0800, Joshua D. D

Re: [PERFORM] Alternatives to Dell?

2004-12-03 Thread Joshua D. Drake
Cott Lang wrote: Most of mine I got through a Sun reseller. Some of mine I got off of Ebay. You should be able to get them a lot cheaper than than retail web pricing. :) However, even full retail seems like it was a hell of a lot cheaper for a v40z than a DL585. :) That's true :) One of the rea

Re: [PERFORM] Alternatives to Dell?

2004-12-03 Thread Cott Lang
We were originally heading towards an IBM deployment, but the 325 was all that was available at the time, and it only supported 12GB. Then when I heard they canceled their rumored quad processor 350, I feared Intel/AMD politics and IBM dropped from the running. :) (IBM now has the 326 that suppor

[PERFORM] DB2 feature

2004-12-03 Thread Pailloncy Jean-Gérard
Hi I see this article about DB2 http://www-106.ibm.com/developerworks/db2/library/techarticle/dm -0411rielau/?ca=dgr-lnxw06SQL-Speed The listing 2 example: 1 SELECT D_TAX, D_NEXT_O_ID 2 INTO :dist_tax , :next_o_id 3 FROM OLD TABLE ( UPDATE DISTRICT 4 SET D_NEXT_O_I

Re: [PERFORM] VACUUM ANALYZE downgrades performance

2004-12-03 Thread Dmitry Karasik
Hi Rod! Thomas> Index scans are not always faster, and the planner/optimizer knows Thomas> this. VACUUM ANALYZE is best run when a large proportion of data Thomas> has been updated/loaded or in the off hours to refresh the Thomas> statistics on large datasets. >> While I agree that

Re: [PERFORM] DB2 feature

2004-12-03 Thread Josh Berkus
Jean-Gerard, > The listing 2 example: > 1  SELECT D_TAX, D_NEXT_O_ID > 2     INTO :dist_tax , :next_o_id > 3     FROM OLD TABLE ( UPDATE DISTRICT > 4                       SET  D_NEXT_O_ID = D_NEXT_O_ID + 1 > 5                       WHERE D_W_ID = :w_id > 6                         AND D_ID = :d_id

[PERFORM] Performance difference in similar queries

2004-12-03 Thread Kiran Mukhyala
Hi Folks, I have two queries that are of the form : select ... from ... where ... in (list1) AND ... in (list2). The two queries differ only in the size of list2 by 1, but their performances are quite different. Query2 runs much faster than Query1. The queries are: Query 1: SELECT svm,pmo

Re: [PERFORM] DB2 feature

2004-12-03 Thread Pailloncy Jean-Gérard
The listing 2 example: 1  SELECT D_TAX, D_NEXT_O_ID 2     INTO :dist_tax , :next_o_id 3     FROM OLD TABLE ( UPDATE DISTRICT 4                       SET  D_NEXT_O_ID = D_NEXT_O_ID + 1 5                       WHERE D_W_ID = :w_id 6                         AND D_ID = :d_id 7                     ) AS

Re: [PERFORM] DB2 feature

2004-12-03 Thread Christopher Browne
Clinging to sanity, [EMAIL PROTECTED] (Pailloncy Jean-Gérard) mumbled into her beard: > I see this article about DB2 > http://www-106.ibm.com/developerworks/db2/library/techarticle/dm > -0411rielau/?ca=dgr-lnxw06SQL-Speed > > The listing 2 example: > 1 SELECT D_TAX, D_NEXT_O_ID > 2 INTO :dist

Re: [PERFORM] Alternatives to Dell?

2004-12-03 Thread Mike Rylander
On Fri, 03 Dec 2004 06:38:50 -0800, Joshua D. Drake <[EMAIL PROTECTED]> wrote: > That's true :) One of the reasons the compaq's are expensive > is they supposedly use a quad board, even for the dual machine. > Which means a different opteron chip as well. I can confirm that. You have a choice of

[PERFORM] Overhead of dynamic query in trigger

2004-12-03 Thread Sven Willenberger
(Originally asked in [General], realized that it would probably be better asked in [Perform]: I am curious as to how much overhead building a dynamic query in a trigger adds to the process. The example: Have a list of subcontractors, each of which gets unique pricing. There is a total of roughly

[PERFORM] Performance difference in similar queries

2004-12-03 Thread Kiran Mukhyala
Hi Folks, I have two queries that are of the form : select ... from ... where ... in (list1) AND ... in (list2). The two queries differ only in the size of list2 by 1, but their performances are quite different. Query2 runs much faster than Query1. The queries are: Query 1: SELECT svm,pmo