Karl: Not to butt in and add something stupid, but I notice this happening a lot when "ftp" is executing on the same machine. Other services can have the same impact.
Hope this helps, Bill > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Karl L Pearson > Sent: Wednesday, July 21, 2004 9:15 AM > To: u2-users > Subject: Re: [U2] (UV) Analyze.shm -s (Unclassified) > > > On Wed, 2004-07-21 at 03:24, Martin Phillips wrote: > > > We may also be looking for the wrong thing here. A semaphore collision > > count of 6 really is nothing to get excited over, especially if > the system > > had been up for a while. Looking back to Karl's original > posting, I think > > we need to know a bit more about how the "performance hits" exhibit > > themsleves. > > I've done a bit of checking and came to the conclusion that IO was NOT > an issue, as both disks loads are very even and in the low teens to low > 20%-ile of use. > > I changed the uniVerse tunable FSEMNUM from 23 to 53. Today, so far, the > load average is in the low 2s instead of in the 3s and 4s. Of course we > only have 30 of 42 users, so time will tell... > > The symptoms of the performance problem is that users notice things > going very slowly, especially selects and sorts, but also when typing > text there are pauses of parts of a second to a couple seconds when the > system is very sluggish. > > -- > Karl L. Pearson > Director of IT, > ATS Industrial Supply > Direct: 801-978-4429 > Toll-free: 888-972-3182 x29 > Fax: 801-972-3888 > http://www.atsindustrial.com > [EMAIL PROTECTED] > ------- > u2-users mailing list > [EMAIL PROTECTED] > To unsubscribe please visit http://listserver.u2ug.org/ ------- u2-users mailing list [EMAIL PROTECTED] To unsubscribe please visit http://listserver.u2ug.org/
