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Operating Systems AIX ORACLE Database running slow on AIX ( nmon / topas ) Post 302448251 by zxmaus on Wednesday 25th of August 2010 02:21:34 PM
Old 08-25-2010
bakunin,

thank you - glad to be back Smilie

zaxxon

hd_pbuf_cnt=1024 = AIX 5.2 ,
pv_min_pbuf=1024 = AIX 5.3 and later

regarding the buffer tunables, this box seem to have enough jfs2 buffers but not enough buffers for its jfs filesystems, that is why I would suggest to only tune these ? Smilie

I am with you setting the other values would not harm the box - I just cannot see at the moment that it is needed. It might be later after initial tuning.

Just for completeness, if this would be my box I would most likely go with

Code:
ioo -p -o j2_maxPageReadAhead=128
ioo -p -o maxpgahead=16
ioo -p -o j2_maxRandomWrite=32
ioo -p -o maxrandwrt=32

on top of the memory tunables from the previous thread - but these are settings you should be rather careful with as they can potentially do more harm than good.

Kind regards
zxmaus
This User Gave Thanks to zxmaus For This Post:
 

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DwtListBoxSetPos(3Dwt)													    DwtListBoxSetPos(3Dwt)

Name
       DwtListBoxSetPos  -  Makes a specified position (item number in the list) the top visible position in a list box, or as close to the top as
       possible.

Syntax
       void DwtListBoxSetPos(widget, position)
	    Widget widget;
	    int position;

Arguments
       widget	 Specifies the ID of the list box widget whose specified item number in the list you want displayed in the top position.

       position  Specifies the item number in the list displayed in the top position in the list box.

Description
       The DwtListBoxSetPos function makes the specified position (the item number in the list) the top visible position in a list box.  The func-
       tion  determines  which	item in the list box is displayed at the top of the list box, the choice of which is limited by the DwtNitemsCount
       and DwtNvisibleItemsCount attributes to the list box widget.  When DwtNvisibleItemsCount is greater than 1 and  less  than  DwtNitemsCount,
       the list box widget fills the list box with the maximum visible items regardless of the position value.

       For  example,  if  DwtNitemsCount  is  10  and  DwtNvisibleItemsCount is 5, you cannot make item 8 be displayed at the top of the list box.
       Instead, items 6 through 10 would be displayed.	Setting position to 4 would make items 4 through 8 be displayed.  If DwtNvisibleItemsCount
       is 1, you can make any item in the list be displayed at the top of the list box.

See Also
       Guide to the XUI Toolkit: C Language Binding
       Guide to the XUI Toolkit Intrinsics: C Language Binding

															    DwtListBoxSetPos(3Dwt)
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