Re: Upgrading to v7.2 ?

In article <3292AF01.1E18@towerrecords.com>, Jay Konigsberg <jak@towerrecords.com> writes >In article <55vrpb$npd@cssun.mathcs.emory.edu>, "\\"Billy Wheeler\\"" >><billy@west.co.za> writes>>On 8 Nov 96 at 13:58, Martin wrote: >> >>We currently have v5 of informix on a compaq prosignia unix/sco server >>with 56MB ram, 3GB drive and a pentium overdrive chip. >> >>Will this be sufficient if we upgrade to v7.2 of informix? >> > >Well, unless there is something specific to 7.2 that you want, I would >go I would go with 7.2 as a) It has more features e.g. Parallel Loader (pload), New better backup method (OnBar). b) It has quite a few bug fixes. I have seen reports here where bugs have been fixed in 7.2. >with 7.13.UC? or 7.14.UC?. When the .1 goes to .2, that means that a >feature >has been added - and maybe a bug. When .03 goes to .04, then these are And bugs fixed. It's just that Informix are changing the server so rapidly with version 7 that bug fix release and enhancements are getting intermingled. >bug >fixes (which have better records). The UC? is the port number to your >platform. > >In the 5 (very long) lears I've delt with Informix, I've learned to stay >away >from ?.0.UC1 releases. Thanks, but I'll let as many other people debug >Informix >releases before I get to them. > Depends - 4GL 4.14.UC1 is much better than 4.11.UD1. >Only one CPU? Informix 7 supports multi processors. The more the better, >but I >suspect that 1 CPU per hard drive is going to give the most bang for the >buck. >Pitty I'll probelly never find out for sure. 1 CPU per drive? The CPU is MUCH faster than the drive and so 1 CPU per 2/3/4/whatever drives makes more sense. The main thing should be having enough memory. If >98% if reads and >95% of writes are buffered than you should get good performance. -- David Williams