Re: Memstore performance improvements v0.90 vs v0.87

[James Page <james.page@ubuntu.com>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Hi Mark

On 28/01/15 21:51, Mark Nelson wrote:
> Per Sage's suggestion in the perf meeting this morning I dumped
> sysctl -a on both systems and wrote a little script to compare an
> arbitrary number of sysctl output files.  It only lists settings
> that have different values and dumps out a csv.
> 
> So far it looks like the interesting differences are in:
> 
> scheduler numa ipv4 (and ipv6) vm
> 
> Script is here:
> 
> https://github.com/ceph/ceph-tools/blob/master/cbt/tools/compare_sysctl.py

Useful
> 
script - thanks!

I'd like to get the Ubuntu Server and Kernel teams investigating this
disparity as well - would it be possible for you to share the
configurations you are using in detail?

That way I can make sure we are looking at the same thing...

Cheers

James

- -- 
James Page
Ubuntu and Debian Developer
james.page@ubuntu.com
jamespage@debian.org
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
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=Zfn0
-----END PGP SIGNATURE-----