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тАО06-18-2011 07:38 PM
тАО06-18-2011 07:38 PM
Hello everyone,
I am looking to change the kernel parameter for filecache_max and filecache_min. If I use smh it tells me that it is an (Automatic) parameter. What is the correct syntax for kctune to change this. I want to change them to a fixed percentage.
filecache_min=5
filecache_max=13
System: rx3600
OS: HP-UX 11.31
Any help would be greatly appreciated!
Tim
I am looking to change the kernel parameter for filecache_max and filecache_min. If I use smh it tells me that it is an (Automatic) parameter. What is the correct syntax for kctune to change this. I want to change them to a fixed percentage.
filecache_min=5
filecache_max=13
System: rx3600
OS: HP-UX 11.31
Any help would be greatly appreciated!
Tim
Solved! Go to Solution.
- Tags:
- filecache_max
- kctune
3 REPLIES 3
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тАО06-19-2011 12:09 AM
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тАО06-19-2011 02:17 AM
тАО06-19-2011 02:17 AM
Re: kctune for filecache_max
Dear Friend
before doing just read it
It is recommended that these tunables are left in the automatic (default) state, to allow the system to better balance the memory usage among filesystem I/O-intensive processes and other types of processes.
Default
filecache_min: approximately 5% of physical memory
filecache_max: approximately 50% of physical memory
The defaults are computed and adjusted automatically, based on the amount physical memory on the system.
The current default value, when displayed by kctune, will be expressed as the current value used internally by the system (representing bytes). The displayed value will vary as the internal value is automatically adjusted.
The command is
# kctune filecache_min=10% filecache_max=13
thanks and regards
Sajjad Sahir
before doing just read it
It is recommended that these tunables are left in the automatic (default) state, to allow the system to better balance the memory usage among filesystem I/O-intensive processes and other types of processes.
Default
filecache_min: approximately 5% of physical memory
filecache_max: approximately 50% of physical memory
The defaults are computed and adjusted automatically, based on the amount physical memory on the system.
The current default value, when displayed by kctune, will be expressed as the current value used internally by the system (representing bytes). The displayed value will vary as the internal value is automatically adjusted.
The command is
# kctune filecache_min=10% filecache_max=13
thanks and regards
Sajjad Sahir
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тАО06-19-2011 06:56 AM
тАО06-19-2011 06:56 AM
Re: kctune for filecache_max
Thanks for your responses!
I have 16gig of physical memory so there is no way I need 8 gig of it taken up by filecache. I have tuned this down before, I just couldn't remember the correct syntax.
Thanks again!
I have 16gig of physical memory so there is no way I need 8 gig of it taken up by filecache. I have tuned this down before, I just couldn't remember the correct syntax.
Thanks again!
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