From: Greg Banks <gnb@melbourne.sgi.com>
Subject: [PATCH 0 of 5] knfsd: miscellaneous performance-related fixes
Date: Tue, 08 Aug 2006 14:04:40 +1000
Message-ID: <1155009879.29877.229.camel@hole.melbourne.sgi.com>
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Cc: Linux NFS Mailing List <nfs@lists.sourceforge.net>
To: Neil Brown <neilb@suse.de>
Sender: nfs-bounces@lists.sourceforge.net
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G'day,

Five more patches which fix various issues found in knfsd,
mostly directly performance-related.

1 of 5 knfsd: make readahead params cache SMP-friendly
	the racache is a global contention point and performance 	bottleneck in
some read-dominated workloads, alleviate that

2 of 5 knfsd: cache ipmap per TCP socket
	for TCP we can avoid doing a hash lookup on the ip_map
	cache for every RPC call

3 of 5 knfsd: avoid nfsd CPU scheduler overload
	avoid enormous load averages and CPU scheduler overload
	with workloads which generate extremely high call rates

4 of 5 knfsd: add RPC pool thread stats
	add some statistics to the svc_pool

5 of 5 knfsd: remove nfsd threadstats
	remove the 'th' stats line from /proc/net/rc/nfsd, it's
	a global contention point in high call rate workloads

Greg.
-- 
Greg Banks, R&D Software Engineer, SGI Australian Software Group.
I don't speak for SGI.


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