Re: Linux memory zone reclaim

> node distances:
> node 0 1 2 3
> 0: 10 11 11 11
> 1: 11 10 11 11
> 2: 11 11 10 11
> 3: 11 11 11 10
>
> When considering a hardware purchase, it might be wise to pay close
> attention to how "far" a core may need to go to get to the most
> "distant" RAM.

Yikes, my server is certainly asymmetric:

node distances:
node 0 1
0: 10 21
1: 21 10

and my Debian Squeeze certainly knows that:

$ cat < /proc/sys/vm/zone_reclaim_mode
1

Server specs:

http://momjian.us/main/blogs/pgblog/2012.html#January_20_2012

I have 12 2GB DDR3 DIMs.

Of course, my home server is ridiculously idle too. :-)

--
Bruce Momjian <bruce(at)momjian(dot)us> http://momjian.us
EnterpriseDB http://enterprisedb.com

+ It's impossible for everything to be true. +