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Operating Systems AIX Question on r-queue from vmstat out Post 302944778 by aixusrsys on Thursday 21st of May 2015 07:15:38 PM
Old 05-21-2015
Question on r-queue from vmstat out

On our prod system we found sometime runqueue goes back to 0 as below.
Whereas on test server even with very very less work the r-queue never dropped to 0. Under what conditions r-queue drops to 0? Does it mean something unusual?

EG:
Code:
kthr    memory              page              faults        cpu       time  
----- ----------- ------------------------ ------------ ----------- --------
 r  b   avm   fre  re  pi  po  fr   sr  cy  in   sy  cs us sy id wa hr mi se
34  1 13835500 10722093   0   0   0   0    0   0 28363 2161527 1238371 32 13 54  1 14:32:32
 0  0 13835499 10724861   0   0   0   0    0   0 29293 2193173 1270468 32 13 54  1 14:32:33
46  1 13835579 10722439   0   0   0   0    0   0 35177 2227830 1281512 32 14 52  1 14:32:34
51  1 13839891 10715264   0   0   0   0    0   0 36033 2197365 1260147 32 14 53  1 14:32:35
39  0 13836019 10704067   0   0   0   0    0   0 26299 2099856 1193925 33 12 53  1 14:32:44
52  0 13837041 10701105   0   0   0   0    0   0 27404 2111910 1214185 33 13 53  1 14:32:45
52  0 13835500 10700436   0   0   0   0    0   0 28626 2115914 1201534 33 13 53  1 14:32:46
 0  0 13835500 10698285   0   0   0   0    0   0 33106 2004892 1146048 33 13 53  1 14:32:47
38  0 13835500 10696398   0   0   0   0    0   0 32200 2061235 1191873 32 13 53  1 14:32:48
68  0 13840540 10689303   0   0   0   0    0   0 35244 2049575 1180571 31 13 54  2 14:32:49


Last edited by Don Cragun; 05-21-2015 at 08:38 PM.. Reason: Add CODE tags.
 

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COLORS(3)						   libbash colors Library Manual						 COLORS(3)

NAME
colors -- libbash library for setting tty colors. SYNOPSIS
colorSet <color> colorReset colorPrint [<indent>] <color> <text> colorPrintN [<indent>] <color> <text> DESCRIPTION
General colors is a collection of functions that make it very easy to put colored text on tty. The function list: colorSet Sets the color of the prints to the tty to COLOR colorReset Resets current tty color back to normal colorPrint Prints TEXT in the color COLOR indented by INDENT (without adding a newline) colorPrintN The same as colorPrint, but trailing newline is added Detailed interface description follows. Available colors: Green Red Yellow White The color parameter is non-case-sensitive (i.e. RED, red, ReD, and all the other forms are valid and are the same as Red). FUNCTIONS DESCRIPTIONS
colorSet <color> Sets the current printing color to color. colorReset Resets current tty color back to normal. colorPrint [<indent>] <color> Prints text using the color color indented by indent (without adding a newline). Parameters: <indent> The column to move to before start printing. This parameter is optional. If ommitted - start output from current cursor position. <color> The color to use. <color> The text to print. colorPrintN [<indent>] <color> The same as colorPrint, except a trailing newline is added. EXAMPLES
Printing a green 'Hello World' with a newline: Using colorSet: $ colorSet green $ echo 'Hello World' $ colorReset Using colorPrint: $ colorPrint 'Hello World'; echo Using colorPrintN: $ colorPrintN 'Hello World' AUTHORS
Hai Zaar <haizaar@haizaar.com> Gil Ran <gil@ran4.net> SEE ALSO
ldbash(1), libbash(1) Linux Epoch Linux
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