Thanks for your reply! We installed bos.rte.libc.4.3.3.80, rebooted the server - but nothing changed. I noticed that the backup sessions are always in session state "RecvW" and CPU utilization of the SAP server for backint.exe ist about 7%.
Has anyone else seen this problem before? Kind regards Thomas Rupp Vorarlberger Illwerke AG MAIL: [EMAIL PROTECTED] TEL: ++43/5574/4991-251 FAX: ++43/5574/4991-820-8251 > -----Urspr�ngliche Nachricht----- > Von: Flemming Larsen [SMTP:[EMAIL PROTECTED]] > Gesendet am: Sonntag, 24. Februar 2002 18:13 > An: [EMAIL PROTECTED] > Betreff: Re: Performance problems with AIX PTFs > > After applying maintenance level 9 you need at least to update libc. > > See this APAR : > > Customers are encouraged to move to AIX 4.3.3 Maintenance level 09 but > there is a LARGE performance bug due to a memory leak in libc = just about > every process in AIX. Make sure the bos.rte.libc.4.3.3.77 software is > installed for ML09 > > > after AIX 433_09 aix_ml then this apar for memory leak issue. > 15 > . > OF > The apar iy22308 MEMORY LEAK IN FCLOSE() SUBROUTINE > 19 > ERROR DESCRIPTION: > applications doing many file opens and closes will see an > increase in memory use and a decrease in performance > LOCAL FIX: > PROBLEM SUMMARY: > Memory leak in fclose() > PROBLEM CONCLUSION: > Fixed file threadsafe macros > . > OID > now is included in this filesets. > BDC > . > bos.adt.prof.4.3.3.77 > . > PAGE > bos.rte.libc.4.3.3.77 > > > ----- Original Message ----- > From: "Rupp Thomas (Illwerke)" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Saturday, February 23, 2002 2:59 PM > Subject: Performance problems with AIX PTFs > > > > Hi TSM gurus, > > > > Our IBM SE moved our AIX TSM Server from 4.3.3.0 to PTF level 9. > > The result was that our TDP for SAP backups now take 6 hours - before > > they finished after 1 hour. > > I'm running a H50 and a 3494 with two 3590E11 drives. > > > > Has anyone else seen such dramatic performance problems after applying > > AIX PTF's? > > > > Kind regards > > Thomas Rupp > > Vorarlberger Illwerke AG > > MAIL: [EMAIL PROTECTED] > > TEL: ++43/5574/4991-251 > > FAX: ++43/5574/4991-820-8251 > > > > > > > > > > > -------------------------------------------------------------------------- > ---------------- > > Dieses eMail wurde auf Viren geprueft. > > > > Vorarlberger Illwerke AG > > > -------------------------------------------------------------------------- > ---------------- > > ------------------------------------------------------------------------------------------ Dieses eMail wurde auf Viren geprueft. Vorarlberger Illwerke AG ------------------------------------------------------------------------------------------
