>Number:         26017
>Category:       kern
>Synopsis:       nfsv3 client performance problem with some nfsd
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Jun 23 03:03:00 UTC 2004
>Closed-Date:
>Last-Modified:
>Originator:     YAMAMOTO Takashi <yamt@mwd.biglobe.ne.jp>
>Release:        NetBSD 2.0F
>Organization:

>Environment:
	
	
System: NetBSD kaeru 2.0F NetBSD 2.0F (build.kaeru) #1430: Tue Jun 22 11:26:59 JST 2004 takashi@kaeru:/home/takashi/work/kernel/build.kaeru i386
Architecture: i386
Machine: i386
>Description:
	when using against nfsd implementation which doesn't supply wccdata,
	our nfsv3 client's performance is terrible
	because we invalidate caches too aggressively in that case.
	eg. linux nfsd never return pre-op attr for WRITE RPC.
>How-To-Repeat:
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted: