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expanding RAM

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Operating Systems Solaris expanding RAM
# 1  
Old 06-13-2011
expanding RAM
our sparc server has only 1Gb RAM. Since RAM is not very expensive anymore, it seems like a good idea to upgrade it.

will it make server (and database on it) faster?
I hope it would less 'abuse' hard drive..
# 2  
Old 06-13-2011
Observe output of vmstat 2 5 during few times of the day when the server/database is most busy. If you constantly see high numbers in pi, po or fr columns, then adding memory could probably increase performance.
This User Gave Thanks to bartus11 For This Post:
orange47
# 3  
Old 06-13-2011
ok, will do.
another question about RAM, does it have to be ECC? registered? what about latency?
its a bit hard to find ECC DDR1 here.

server is v125.
Last edited by orange47; 06-13-2011 at 07:29 AM..
# 4  
Old 06-13-2011
You may use swap file instead of paying more money for RAM , just make a file and assign it as a swap space.
# 5  
Old 06-13-2011
thanks, but we'd like to reduce hard disk usage. there is only one scsi drive.

is there a way to tell if already installed RAM is ECC or Registered without opening the server?
what type is the default, factory RAM used in sparc server?
# 6  
Old 06-13-2011
use pcitool or /usr/X11/bin/scanpci to get all hardware pci info's

Regds
Kathir
# 7  
Old 06-14-2011
you know I think that 1G RAM and 1 hard disk is too low.
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