kern/52425: kern.maxvnodes cannot limit the number of vnodes in use

Masachika ISHIZUKA ishizuka at ish.org
Mon May 19 03:50:16 PDT 2003


>Number:         52425
>Category:       kern
>Synopsis:       kern.maxvnodes cannot limit the number of vnodes in use
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Mon May 19 03:50:14 PDT 2003
>Closed-Date:
>Last-Modified:
>Originator:     Masachika ISHIZUKA
>Release:        FreeBSD 4.8-RELEASE i386
>Organization:
>Environment:
System: FreeBSD test.ish.org 4.8-RELEASE FreeBSD 4.8-RELEASE #0: Mon May 19 15:24:36 JST 2003 ishizuka@:/usr/src/sys/compile/test i386

	CPU: Dual Xeon 2.4GHz
	RAM: 2GB
	 OS: (1) FreeBSD 4.8R GENERIC kernel
	     (2) Customized 4.8R kernel with SMP, APIC_IO, HTT and
		 KVA_PAGES=512 options.

	
>Description:
	I have mank a disk that has many (more than ten millions) hard links
	and /etc/periodic/weekly/310.locate makes this machine slow down
	extremely. The usage of vnode is as follows.

	kern.maxvnodes: 134882
	kern.minvnodes: 33720
	debug.numvnodes: 375907
	debug.wantfreevnodes: 25
	debug.freevnodes:  27046

	I think kern.maxvnodes should limit the debug.numvnodes.

>How-To-Repeat:
	
>Fix:

	


>Release-Note:
>Audit-Trail:
>Unformatted:


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