This was posted to both the VM and Linux listservs We finally got our POF running this morning and response is not great. Since we know very little about this z/VM and zLinux I would appreciate any hints. Performance Monitor shows some paging and swapping but from our MVS point of view, its now bad. The VM guest only has 512M. I could increase it but I keep hearing from Share and other seminars that increasing memory is not usually the problem. There is 2G of memory assigned to this lpar. Some testers, at different geographical locations are getting good results, others aren't so I'm looking into network problems also. Detailed data for user LKTEST2
Total CPU : ....% Storage def. : 512MB Page fault rate: ..../s Superv. CPU : ....% Resident <2GB: 129654 Page read rate : ..../s Emulat. CPU : ....% Resident >2GB: 0 Page write rate: ..../s VF total : ....% Proj. WSET : 131072 Pgs moved >2GB>: ..../s VF overhead : ....% Reserved pgs : 0 Main > XSTORE : ..../s VF emulation: ....% Locked pages : 13 XSTORE > main : ..../s VF load rate: ..../s XSTORE dedic.: 0MB XSTORE > DASD : ..../s I/O rate : ..../s XSTORE pages : 1314 SPOOL pg reads : ..../s DASD IO rate: ..../s DASD slots : 0 SPOOL pg writes: ..../s UR I/O rate : ..../s IUCV X-fer/s : ..../s MDC insert rate: ..../s Diag. X'98' : ..../s Share : 100 MDC I/O avoided: ..../s *BLOCKIO : ..../s Max. share : ... #I/O active : 0 Active :100% PSW wait :100% I/O act. : 0% Stacked blk : .. Page wait : 0% CF wait : 0% Eligible : 0% Stat.: EME,DSC,PSWT I/O wait : 0% Sim. wait: 0% Runnable : 0% Data Space Name Size Mode PgRd/s PgWr/s XRd/s XWr/s Migr/s Steal/s BASE 512MB Priv ... ... ... ... ... ... Device activity and status: 0009 3215 .0 000C 254R CL *, EOF NOH NCNT Interval 07:45:21-07:46:23, on 2008/04/11 (CURRENT interval, select interim <http://128.231.160.20:81/035986D8/3FB6/interim> or average <http://128.231.160.20:81/035986D8/3FB6/average> data) ______ . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.M_TOTAL> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.%25MUSED> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.H_TOTAL> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.%25HUSED> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.SHARED> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM./CAFREE> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.USED> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.S_TOTAL> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.%25SUSED> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.IN> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.OUT> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.CATES> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.MAJOR> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.MINOR> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.READ> . <http://128.231.160.20:81/035986D8/3FB6/SO.LXMEM.WRITE> <------------ Memory Allocation (MB) -------------> <------- Swapping -------> <--- Pages/s ---> <-BlockIO-> Linux <--- Main ---> <--- High ---> Buffers Cache <-Space (MB)-> <-Pgs/sec-> Allo <-Faults--> <--kB/sec-> Nr of Userid <http://128.231.160.20:81/035986D8/3FB6/HE.04.001> M_Total <http://128.231.160.20:81/035986D8/3FB6/HE.04.011> %MUsed <http://128.231.160.20:81/035986D8/3FB6/HE.04.019> H_Total <http://128.231.160.20:81/035986D8/3FB6/HE.04.026> %HUsed <http://128.231.160.20:81/035986D8/3FB6/HE.04.034> Shared <http://128.231.160.20:81/035986D8/3FB6/HE.04.041> /CaFree <http://128.231.160.20:81/035986D8/3FB6/HE.04.048> Used <http://128.231.160.20:81/035986D8/3FB6/HE.04.057> S_Total <http://128.231.160.20:81/035986D8/3FB6/HE.04.063> %SUsed <http://128.231.160.20:81/035986D8/3FB6/HE.04.071> In <http://128.231.160.20:81/035986D8/3FB6/HE.04.081> Out <http://128.231.160.20:81/035986D8/3FB6/HE.04.086> cates <http://128.231.160.20:81/035986D8/3FB6/HE.04.090> Major <http://128.231.160.20:81/035986D8/3FB6/HE.04.096> Minor <http://128.231.160.20:81/035986D8/3FB6/HE.04.102> Read <http://128.231.160.20:81/035986D8/3FB6/HE.04.109> Write <http://128.231.160.20:81/035986D8/3FB6/HE.04.114> Users <http://128.231.160.20:81/035986D8/3FB6/HE.04.120> >System< 499.4 89.2 .0 .0 .0 63.1 181.8 1344 2.7 .000 .000 74.28 .062 174.1 5.329 5.958 3 LAMP1 <http://128.231.160.20:81/035986D8/3FB6/LXM.LAMP1> 499.4 93.6 .0 .0 .0 95.6 178.3 1024 .0 .000 .000 210.5 .000 503.1 .067 10.87 LKTEST1 <http://128.231.160.20:81/035986D8/3FB6/LXM.LKTEST1> 499.4 75.7 .0 .0 .0 89.5 192.2 1504 .0 .000 .000 .836 .000 .070 .000 2.648 LKTEST2 <http://128.231.160.20:81/035986D8/3FB6/LXM.LKTEST2> 499.4 98.2 .0 .0 .0 4.3 174.9 1504 8.2 .000 .000 8.843 .182 12.94 15.60 4.231 Bobby Bauer Center for Information Technology National Institutes of Health Bethesda, MD 20892-5628 301-594-7474
