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Robert, Thanks for recommending Sun Solaris 7 x86, I have telling users that there is memory problem with mmap on Linux. The only solution I have for the Linux users is to add at least 750 megabytes RAM for the Linux systems. Robb... On Fri, 16 Jul 1999, Robert R. Mullenax wrote: > > We had a similar problem with the NMC2 feed when we tried it > this spring. We were feeding from U. of Arizona and even though > the connection to them was not great it was acceptable. It turns > out that by the time the data filtered to them it was getting > old and the last leg to us sent it over the 3600 sec mark. > My feeling is that if you were really far from the main feed > like we were there is no way to receive all of the data > especially the large sets like the AVN/MRF NMC2 feed. > > On another note..just my two cents. I would highly recommend > considering Sun Solaris 7 x86 for those having problems with Linux. It is > free except for shipping for education/non-commercial use. > We have been running the full NOAAPORT feed with all the GEMPAK > and McIDAS decoders (except NIDS and NLDN) for over a year plus > serves as the McIDAS and GEMPAK workstation. > It also serves as a web server and generates images(CGI scrips) for > our use from remote sites. The speed at which it generates > the charts is great. I have never had any trouble with, > and this is with IDE drives(400Mhz PII, 256 MB RAM). I have no doubt that > in terms of raw performance Linux is faster, but I have had no complaints > at all. Never a crash, or anything strange going on with the > LDM(except things I caused, of course). > > Robert Mullenax > > > > =============================================================================== Robb Kambic Unidata Program Center Software Engineer III Univ. Corp for Atmospheric Research address@hidden WWW: http://www.unidata.ucar.edu/ ===============================================================================