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AIX Commands
performance commands in aix 4.3.3 by arvibm
Posted: 18 Feb 03 (Edited 19 Feb 03)
Fileset Commands bos.acct iostat, vmstat, sar, timex bos.rte ps, lsps, lsattr, lsdev, lspv, lslv, lsvg, chdev, chlv, mkps, chps, migratepv, reorgvg, nice, renice, wlmstat bos.sysmgt trace, trcrpt, pstat bos.net.client netstat, nfsstat, ifconfig, no, nfso bos.net.server iptrace, ipreport, tcpdump bos.perf Performance Diagnotic Tool (PDT) bos.adt.prof prof, grof bos.adt.samples vmtune, emstat, schedtune perfagent.tools filemon, fileplace, netpmon, svmon, tprof, rmss, syscalls, lockstat, fdpr, stem, bf, bfrpt, stripnm, genkld, genld, genkex, topas (monitor like for AIX 4.3.3+) bos.perf.tools (AIX 5.1) tprof, svmon, filemon, topas Performance Toolbox for AIX (Licensed Program Product (LPP)) Fileset Commands perfmgr.local xmperf perfmgr.network xmperf, chmon Tools from the Web nmon, perfpmr, monitor, PV, xgprof, Xprofiler *********************************************************** Pls set the default value of some parameter listed below.This will help in performance improvement This can be set by the command /usr/kernel/sample/vmtune -f minfree 120xN(default) if 4 cpu it is 480 -F maxfree 128xN (default) 512 -R = maxfree -minfree =32 -P min perm 5 -p macperm 10 -s 1 -b 200 -B 800 This entry u have to put in the /etc/rc before the mount all command... ************************************************************ Performance improvement for FASTt500 ------------------------------------- This info is generally applicable to AIX systems using FAStT storage. Config/tuning parameters for AIX using FAStT: FC adapter attribute changes: lg_term_dma from 0x200000 to 0x1000000 (from 2 MB to 16 MB) #lattr -El fcs0 #chdev -l fcs0 -a lg_term_dma=0x1000000 -P #cfgmgr #lsattr -El fcs0 num_cmd_elems from 200 to 1024 #lattr -El fcs0 #chdev -l fcs0 -a num_cmd_elems=1024 -P #cfgmgr #lsattr -El fcs0 DAR attribute changes: load_balancing was set to yes #lsattr -El dar0 #chdev -l dar0 -a load_balancing=yes #lsattr -El dar0 autorecovery was set to yes #lsattr -El dar0 #chdev -l dar0 -a autorecovery=yes #lsattr -El dar0 hdisk attribute changes: [VG must be varied-off] queue_depth from the default to 16 #lsattr -El hdisk #chdev -l hdiskX queue_depth=16 #lsattr -El hdisk prefetch_mult from 0 to 8 #lsattr -El hdisk #chdev -l hdiskXX prefetch_mult=8 #lsattr -El hdisk
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