Re: Read Cache, NUMCPUVPS

In article <6cunjh$ird$1@nnrp1.dejanews.com>, jeff.w.mcclure@ameritech.com writes >Hi, > >I'm relatively new to Informix and have two >questions that I need answers to. > >Sparc 20 running Solaris 2.4 >Informix ODS 7.11.UC1 > >First: >I checked the instance profile last night (onstat -p) >and all looked great. dskreads, pagreads were both >very low, Buffreads was very high (2 billion and some). >My cache ratio was 99.99%. > >Looked at the same stats this afternoon... Cache ratio >is 0%! Buffreads is a negative 2+ billion (-2051413361). >Nothing unusual in the log, UNIX logs, or application logs. >All apps, and threads running as normal. Response seems >as good as usual (by feel only, I have no physical stats >to back the feeling up) > >Can someone explain what happened here? Are the numbers >"rolling over"? Yes, they are 32-bit numbers and are signed and hence rollover at ~2 billion. Try doing onstat -z to set them all back to 0 and start again. > >Second: >Since this is a development machine, we decided to bounce >the instance. Great! I wanted to check out the effects >of adding a second cpu vp. This is a multiprocessor (2) >machine! I set NUMCPUVPS to 2, MULTIPROCESSOR to 1, and >SINGLE_CPU_VP to 0. When I tried to bring it back on-line >it dies. online.log shows... >"listener thread: err = -25572: Network driver cannot >bind a name to the port." It then PANICs and the log shows >"cannot wake idle processor." > >I reset the NUMCPUVPS to 1 and it comes up without problem. >To make things even more interesting, I tried >"onmode -p+1 cpu" and it worked. > >Am I misconfiguring something? Can someone explain this to me? > >Thanks in advance, > >Jeff McClure >Specialist - Database Analyst >Ameritech New Media >jeff.w.mcclure@ameritech.com > > > >-----== Posted via Deja News, The Leader in Internet Discussion ==----- >http://www.dejanews.com/ Now offering spam-free web-based newsreading -- David Williams Maintainer of the Informix FAQ Primary site (Beta Version) http://www.smooth1.demon.co.uk Official site http://www.iiug.org/techinfo/faq/faq_top.html I see you standin', Standin' on your own, It's such a lonely place for you, For you to be If you need a shoulder, Or if you need a friend, I'll be here standing, Until the bitter end... So don't chastise me Or think I, I mean you harm... All I ever wanted Was for you To know that I care