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тАО10-16-2001 05:23 AM
тАО10-16-2001 05:23 AM
Does anyone have a document or any infortmation about kernel parameter changes that I need to make.
Many thanks in advance.
Solved! Go to Solution.
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тАО10-16-2001 05:39 AM
тАО10-16-2001 05:39 AM
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тАО10-16-2001 05:47 AM
тАО10-16-2001 05:47 AM
Re: Oracle kernel parameters on HP 9000 K580
i agree joseph .
it is very dep. on the config of the site .
but one think i will check it the bufer cashe of the computer .
if your system is not an nfs server ( dont think that oracle server is will be an nfs server ) i will check the :
dbc_max_pct
dbc_max_pct defines the maximum percentage of memory to be used by dynamic buffer cache.
i will define it at 10 % to free memory for the oracle , the default is 50 %
you also need to check
dbc_min_pct
dbc_min_pct defines the minimum percentage of memory to be used by dynamic buffer cache.
i will define at 5 % .
this will improve the aloc of the memory .
be also be advise of all the kernel params that you can read :
http://docs.hp.com//hpux/onlinedocs/os/KCparams.OverviewAll.html
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тАО10-16-2001 05:50 AM
тАО10-16-2001 05:50 AM
Re: Oracle kernel parameters on HP 9000 K580
STRMSGSZ 65535
nstrpty 60
maxswapchunks 4096
shmmax 0X20000000
shmmni 512
maxfiles 1024
maxusers 200
msgmax 32768
msgmnb 32768
msgmni 150
msgseg 7168
msgtql 256
nfile 9282
semmns 512
semmni 512
semmap 550
semume 50
semmnu 100
dbc_min_pct 2
dbc_max_pct 5
maxuprc 500
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тАО10-16-2001 05:55 AM
тАО10-16-2001 05:55 AM
Re: Oracle kernel parameters on HP 9000 K580
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тАО10-16-2001 05:55 AM
тАО10-16-2001 05:55 AM
Re: Oracle kernel parameters on HP 9000 K580
If you do use the OLTP Tuned Parameter set make sure that you set timeslice to 10 rather than 1; this is a serious bug in that template in some releases.
Clay
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тАО10-16-2001 12:10 PM
тАО10-16-2001 12:10 PM
Re: Oracle kernel parameters on HP 9000 K580
As this is system dependent (HP-UX versjon / Oracle version) the best thing to do is to look up:
http://docs.oracle.com
and select your database version, and then your OS version.
Here you'll find the documentation for the different CD packs.
Read the Release Notes for your version of Oracle as it gives the required values for running Oracle.
For a Oracle8i Release 3 database on HP-UX 11 64bit:
http://docs.oracle.com/DOCS_DOT_PDF_Storage/a86566.pdf
Stefans list is good as well and I would like to add:
maxdsiz
maxdsiz_64bit
These must be set high enough for the installation to work fine, at least 256M for a Oracle8i and 1G for 9i database installation.
Andreas
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тАО10-26-2001 08:04 AM
тАО10-26-2001 08:04 AM
Re: Oracle kernel parameters on HP 9000 K580
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тАО10-16-2002 10:24 PM
тАО10-16-2002 10:24 PM
Re: Oracle kernel parameters on HP 9000 K580
First of all between 13:30 and 13:45 I can see a lot of new activity. There is a new application which gets loaded/started at that time. System is heavely paging in and has some pg outs as well (this is undenstable).
Second file systme(s) on c13t0d1
are always very busy and this disk gets some hammering constantly. Try to spread the data more evenly accross disks.
Thidly the system manages the load preaty well for most of the tome.
Forthly I have to look closely to kernel params, (I will leave it for tomorrow).
Cheers,
Florian