Rick just posted a good guide on performance of the midtier: run through it: you may want to consider pinning in memory the user and people table. I have not tried this with 7.6.04 yet but it has made a difference in the past.
Sent from my iPhone On Dec 29, 2011, at 19:36, L G Robinson <n...@ncsu.edu> wrote: > Hi Folks, > > I am experiencing a performance problem on my 7.6.03 AR System. The > problem gets worse over time. When the server is started, performance > is fine. For example, it takes about one second to load a particular > record in the Windows client and about two seconds to load the same > record in the Mid Tier. However, if I load the same record later in > the day, maybe after the server has been running for 12 hours, the > time to load the same record is about twice as long. > > If I restart the server process, response time returns to the original > timings. This behavior is consistent whether the system is heavily > loaded or lightly loaded, but the degradation seems to happen faster > if the system is heavily loaded > > The arserverd is running on a Sun SPARC-Enterprise-T5120 with 16 Gb of > RAM. I have tried a variety of queue/thread configurations from > minimal to way over-allocated. I have used Misi's fabulous RRR|Log > tool and I see that there is absolutely no thread contention at all. > When the system is running, top shows: > > 90 processes: 86 sleeping, 3 stopped, 1 on cpu > CPU states: 100% idle, 0.0% user, 0.0% kernel, 0.0% iowait, 0.0% swap > Memory: 16G real, 12G free, 509M swap in use, 11G swap free > > So it appears that I have plenty of hardware. > > I am pretty sure that it is not a database problem because I have > analysed the SQL logs and the transaction times are consistent. The > additional time between the short times and the long times appears to > all be within the API time. That is to say, the time from beginning to > end for any particular API call seems to increase while the embedded > SQL transactions within the API calls stay relatively constant. > > Does anyone have any suggestions on what to look for? Thanks for any insights. > Larry > > ARS 7.6.03 > Mid-tier 7.6.04 > Solaris 10 > Oracle 11.2.0... > > Larry Robinson > Remedy Developer / Admin > NC State University > > _______________________________________________________________________________ > UNSUBSCRIBE or access ARSlist Archives at www.arslist.org > attend wwrug12 www.wwrug12.com ARSList: "Where the Answers Are" _______________________________________________________________________________ UNSUBSCRIBE or access ARSlist Archives at www.arslist.org attend wwrug12 www.wwrug12.com ARSList: "Where the Answers Are"
