on 05-13-2009 2:39 PM
Hi all,
I receive from SAP a Analysis Check that suggest me to modify some value parameter of Memory management.
SAP suggest me:
ztta/roll_area: 3000329(current value) -> 6500000(Recommended value)
rdisp/PG_SHM: 8192(current value) -> 16384(Recommended value)
ztta/short_area: 3200000(current value) -> 4000000(Recommended value)
My request is: Can I modify these parameters with value suggest by SAP in my environment?
Is there any documentation which explain some info?
This is the information of the productive system:
-
machinfo
CPU info:
12 Intel(R) Itanium 2 9000 series processors (1.6 GHz, 24 MB)
533 MT/s bus, CPU version C2
18 logical processors
Memory: 65339 MB (63.81 GB)
Firmware info:
Firmware revision: 7.44
FP SWA driver revision: 1.18
IPMI is supported on this system.
Invalid combination of manageability firmware has been installed on this system.
Unable to provide accurate version information about manageability firmware
Platform info:
Model: "ia64 hp superdome server SD64B"
Machine ID number: xxxxxx
Machine serial number: xxxxxx
OS info:
Nodename: hostaddress
Release: HP-UX B.11.31
Version: U (unlimited-user license)
Machine: ia64
ID Number: xxxx
vmunix releaseversion:
@(#) $Revision: vmunix: B.11.31_LR FLAVOR=perf
-
Hi,
I am sure that SAP must have recommanded these values after analysing your system. So you can anytime go for these values and what is good is....if you face any problem in future with these sets of values suggested by SAP, you can anytime escalaye back to SAP.
Please do not forget to take the backup of your Instance profile before making any change. Always adjust the values for pool 10 and pool 40 othwerwise your instance may not come up.
For more details about these parameters, please refer to below link.
http://help.sap.com/saphelp_nw04/helpdata/en/02/962acd538111d1891b0000e8322f96/frameset.htm
With Regards,
Saurabh
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In my opinion there should not be a problem if these values are recommended by sap. But you can gradually increase them if you wish.
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