topic average %wcache value in SAR command in Operating System - HP-UX

average %wcache value in SAR command

vas bolpali — Tue, 29 Oct 2002 14:42:28 GMT

why the average %wcache value in SAR command
show some different value?

This is what my sar output.
(see the attachment for better looking output)

$ sar -b 1 3

HP-UX hpn9000 B.11.00 A 9000/800 10/29/02

09:36:29 bread/s lread/s %rcache bwrit/s lwrit/s %wcache pread/s pwrit/s
09:36:30 155 295 47 9 10 10 0 0
09:36:31 156 229 32 7 5 0 0 0
09:36:32 157 235 33 9 9 0 0 0

Average 156 253 38 8 8 17895697600 0 0
$

The Average value of %wcache should be 5.
but it is showing 17895697600.

Thnx in adVance.
VB.

Re: average %wcache value in SAR command

Stefan Farrelly — Tue, 29 Oct 2002 14:59:50 GMT

sar runs in realtime from the kernel so I dont think its to do with any file corruption - more likely a sar bug. There are some sar patches, we have some loaded on our systems;

PHCO_15220.SYS-ADMIN: /usr/sbin/sar
PHCO_22733.SYS-ADMIN: /usr/sbin/sar

Go to the itrc homepage then to patches then do a search for sar for the latest version and try that.

Re: average %wcache value in SAR command

David Bell_1 — Tue, 29 Oct 2002 15:01:36 GMT

Vas,

Take a look at the following patches:

PHCO_25174 sar Cumulative Patch
PHSS_26793 +04/PBO Compiler Cumulative Patch
PHSS_26792 Ansi C Compiler Cumulative Patch
PHKL_23901 Remove Stopped Threads From Load Averages Patch
PHKL_27212 VxFS 3.3 Cumulative Patch
PHSS_19005 DDE Cumulative Patch

Keep in mind that some of these may not pertain to your system. Look at the descriptions and problems associated.

HTH,

Dave