Hello,
We were planing to upgrade from 9.0 to to 9.3. While
investigating on the performance side, we stumbled upon a link which
says there may be performance degradation on 9.3:
http://postgresql.1045698.n5.nabble.com/upgrade-from-9-2-x-to-9-3-causes-significant-performance-degradation-td5771288.html
So we are planning to do this post the upgrade:
echo never > /sys/kernel/mm/transparent_hugepage/enabled
echo never > /sys/kernel/mm/transparent_hugepage/defrag
Wanted to understand, If there are any other such tweaks that we need to
take care of, before we go 9.3
Some details:
OS: CentOS 6.2
Kernel: 2.6.32-431.20.3.el6.x86_64
Help here is appreciated.
Thanks in advance,
- Karthik
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