Sponsored Content
Operating Systems AIX Vmstat fault section all values are 0 Post 302770296 by Arief Winanto on Friday 15th of February 2013 06:07:54 AM
Old 02-15-2013
Vmstat fault section all values are 0

Hi all,

Recently I facing problem with my AIX server. we experience slowness on performance. there are some application installed in this server such as : Oracle 10g database, control-m client agent, and some monitoring tools.

when we're facing the problem we're noticing that vmstat value a bit strange,
below are the output :

Code:
$ vmstat 5

System configuration: lcpu=12 mem=53248MB

kthr    memory              page              faults        cpu
----- ----------- ------------------------ ------------ -----------
r  b   avm   fre  re  pi  po  fr   sr  cy  in   sy  cs us sy id wa
1  0 5370602 22908   0   0   0   0    0   0   0    0   0  0  0 99  0
1  0 5370600 22910   0   0   0   0    0   0   0    0   0  3  0 97  0
1  0 5370594 22916   0   0   0   0    0   0   0    0   0  1  0 99  0
1  0 5370598 22911   0   0   0   0    0   0   0    0   0  0  0 99  0
1  0 5370596 22912   0   0   0   0    0   0   0    0   0  3  0 97  0
0  0 5370596 22912   0   0   0   0    0   0   0    0   0  0  0 99  0
0  0 5370593 22915   0   0   0   0    0   0   0    0   0  0  0 99  0
0  1 5370582 22926   0   0   0   0    0   0   0    0   0  3  1 95  1
0  0 5370589 22919   0   0   0   0    0   0   0    0   0  1  0 98  0
1  0 5370587 22921   0   0   0   0    0   0   0    0   0  2  0 98  0
1  0 5370586 22922   0   0   0   0    0   0   0    0   0  3  0 97  0
0  1 5370578 22298   0   0   0   0    0   0   0    0   0  1  0 97  2
0  0 5370579 22297   0   0   0   0    0   0   0    0   0  0  0 99  0
2  0 5370576 22299   0   0   0   0    0   0   0    0   0  3  0 97  0
1  0 5370573 22288   0   0   0   0    0   0   0    0   0  0  0 99  0
1  0 5370569 22150   0   0   0   0    0   0   0    0   0  1  0 98  1
1  0 5370570 22149   0   0   0   0    0   0   0    0   0  1  0 99  0
1  0 5370568 22151   0   0   0   0    0   0   0    0   0  2  0 98  0
0  0 5370536 22183   0   0   0   0    0   0   0    0   0  0  0 99  0

all value in faults section is 0 (in sy cs)

and my application starting to generate <defunct> process until reach maximum process for user. and force us to reboot the server to resolve this issue.

Code:
oracle 6426974       1   5                  0:00 <defunct>
  oracle 6431072       1   5                  0:00 <defunct>
  oracle 6435170       1   4                  0:00 <defunct>
  oracle 6439268       1   4                  0:00 <defunct>
  oracle 6443366       1   4                  0:00 <defunct>
  oracle 6447464       1   4                  0:00 <defunct>
  oracle 6451562       1   4                  0:00 <defunct>
  oracle 6455660       1   4                  0:00 <defunct>
  oracle 6459758       1   4                  0:00 <defunct>
  oracle 6463856       1   4                  0:00 <defunct>
  oracle 6467954       1   5                  0:00 <defunct>
  oracle 6472052       1   5                  0:00 <defunct>
  oracle 6476150       1   4                  0:00 <defunct>
  oracle 6480248       1   4                  0:00 <defunct>
  oracle 6484346       1   4                  0:00 <defunct>
  oracle 6488444       1   4                  0:00 <defunct>
  oracle 6492542       1   4                  0:00 <defunct>
  oracle 6496640       1   5                  0:00 <defunct>

my questions are :
1. is it normal for faults section in vmstat to have 0 value for all?
2. what could possibly caused this issue?
3. is there any log i could check?

appreciate if anyone could help me, because i'm newbie in AIX.
Thanks before.

Moderator's Comments:
Mod Comment Use code tags, thanks.

Last edited by zaxxon; 02-15-2013 at 07:59 AM.. Reason: code tags, see PM
 

10 More Discussions You Might Find Interesting

1. UNIX for Advanced & Expert Users

reset values for vmstat

How do you reset the values that vmstat displays? Vmstat displays a running average from the last the system was restarted on the first line, how do you reset these values without restarting the system? (Solaris 8) (3 Replies)
Discussion started by: kuczerp
3 Replies

2. UNIX for Dummies Questions & Answers

vmstat

When I exeute vmstat (e.g. vmstat 30 2), in some machines I get some wierd result as the first line. like: -117% or 208% for CPU idle percentage. But the second line is alright. Could someone explain this please. Thanks ! Chaadana (4 Replies)
Discussion started by: chaandana
4 Replies

3. UNIX for Dummies Questions & Answers

vmstat

Hi I wanted to collect data by using vmstat -I 60 >xxxx.txt & using my own account It was stopped by it self after 2 hours try again same result We want to collect day date by succession how to collect data using vmstat for day Thank you (2 Replies)
Discussion started by: Syed_45
2 Replies

4. Linux

vmstat help

Hi everyone, I need to see some VM manager performance/behavior information on some Linux boxes regarding pages scanned/activation of the paging algorithm in order to get an idea if a given server needs more memory and is actually paging. In Aix servers, by using the vmstat cmd you... (1 Reply)
Discussion started by: jcpetela
1 Replies

5. Shell Programming and Scripting

Extract section of file based on word in section

I have a list of Servers in no particular order as follows: virtualMachines="IIBSBS IIBVICDMS01 IIBVICMA01"And I am generating some output from a pre-existing script that gives me the following (this is a sample output selection). 9/17/2010 8:00:05 PM: Normal backup using VDRBACKUPS... (2 Replies)
Discussion started by: jelloir
2 Replies

6. AIX

fr and sr (from vmstat output) values are very high

Hi AIX Expert, the fr (page freed/page replacement) and sr (pages scanned by page-replacement algorithm) values from the vmstat output (see below please) are very high. I usually see this high value during the oracle database backup. In addition, the page scan/page steal/ page faults values... (7 Replies)
Discussion started by: Beginer0705
7 Replies

7. Shell Programming and Scripting

Prepend first line of section to each line until the next section header

I have searched in a variety of ways in a variety of places but have come up empty. I would like to prepend a portion of a section header to each following line until the next section header. I have been using sed for most things up until now but I'd go for a solution in just about anything--... (7 Replies)
Discussion started by: pagrus
7 Replies

8. Programming

Using gdb, ignore beginning segmentation fault until reproduce environment segmentation fault

I use a binary name (ie polo) it gets some parameter , so for debugging normally i do this : i wrote script for watchdog my app (polo) and check every second if it's not running then start it , the problem is , if my app , remain in state of segmentation fault for a while (ie 15 ... (6 Replies)
Discussion started by: pooyair
6 Replies

9. Linux

Vmstat

I m checking idle time using vmstat, below are the results var=$(ssh wmtmgr@$hostname vmstat | tail -1 | awk '{print $15}') 89 and now im subtracting 89 with 100 & im getting expected results expr 100 - $var 11 Now How can I get the result 11 in one line code? (4 Replies)
Discussion started by: sam@sam
4 Replies

10. Programming

C. To segmentation fault or not to segmentation fault, that is the question.

Oddities with gcc, 2.95.3 for the AMIGA and 4.2.1 for MY current OSX 10.14.1... I am creating a basic calculator for the AMIGA ADE *NIX emulator in C as it does not have one. Below are two very condensed snippets of which I have added the results inside the each code section. IMPORTANT!... (11 Replies)
Discussion started by: wisecracker
11 Replies
All times are GMT -4. The time now is 04:29 AM.
Unix & Linux Forums Content Copyright 1993-2022. All Rights Reserved.
Privacy Policy