Most everyone new to performance problems is overwhelmed. I think my zTUNE analyzer currently looks for about 100 different problems in the Linux on z/VM environment, many of which you are likely to see sooner or later. You should a performance tool that you can actually get help solving your problems.
>Date: Mon, 20 Feb 2006 18:41:08 -0800 >From: Ranga Nathan <[EMAIL PROTECTED]> >To: [email protected] > >Barton Robinson wrote: >> I hate to ask the obvious, but do you have a performance >> monitor that will show you what your storage is being >> used for? for example, mdc, address spaces, vdisk? >> >> >> >Good question. We have not turned on the PerfKit. I have a concern that >I will be overwhelmed with performance data when all I need is how the >Linux guests are performing. >>> From: Ranga Nathan <[EMAIL PROTECTED]> >>> To: [email protected] >>> Precedence: list >>> >>> Here is some info on paging for our production Linux environment. It >>> looks OK to me. However with 5G to go I wonder why there is any paging >>> at all! I am sure someone here will spot something here. >>> indicate pag all >>> 17:03:28 MAINT 000000:000000 ZLT3 000000:012057 ZLT1 >>> 000000:008163 >>> 17:03:28 ZLP3 000000:007888 ZLP2 000000:013196 ZLP1 >>> 000000:009832 >>> 17:03:28 DATAMOVE 000000:000416 DIRMAINT 000000:001567 VSWCTRL1 >>> 000000:002582 >>> 17:03:28 TCPIP 000000:002660 VMSERVR 000000:001178 VMSERVU >>> 000000:001178 >>> 17:03:28 VMSERVS 000000:001323 OPERSYMP 000000:001260 EREP >>> 000000:001230 >>> 17:03:28 ZLT2 000000:020308 >>> Ready; T=0.01/0.01 17:03:28 >>> q stor >>> 17:04:21 STORAGE = 5056M >>> >>> We cycled the z/VM environment about 8 days ago when we did a POR. >>> >>> ZLP1, ZLP2 and ZLP3 are our production environments. These machines are >>> sized 512M, 256M and 128M respectively. There is no CPU cap on any of >>> them. All test environments ZLT1 etc are 128M. >>> >>> -- >>> __________________ >>> Ranga Nathan >>> Work: 714-442-7591 >>> >> >> >> >> >> >> >> >> "If you can't measure it, I'm Just NOT interested!"(tm) >> >> /************************************************************/ >> Barton Robinson - CBW Internet: [EMAIL PROTECTED] >> Velocity Software, Inc Mailing Address: >> 196-D Castro Street P.O. Box 390640 >> Mountain View, CA 94041 Mountain View, CA 94039-0640 >> >> VM Performance Hotline: 650-964-8867 >> Fax: 650-964-9012 Web Page: WWW.VELOCITY-SOFTWARE.COM >> /************************************************************/ >> >> > >-- >__________________ >Ranga Nathan >Work: 714-442-7591 "If you can't measure it, I'm Just NOT interested!"(tm) /************************************************************/ Barton Robinson - CBW Internet: [EMAIL PROTECTED] Velocity Software, Inc Mailing Address: 196-D Castro Street P.O. Box 390640 Mountain View, CA 94041 Mountain View, CA 94039-0640 VM Performance Hotline: 650-964-8867 Fax: 650-964-9012 Web Page: WWW.VELOCITY-SOFTWARE.COM /************************************************************/
