Date: Fri, 18 Jan 2002 17:02:22 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Thomas Seck <tmseck@netcologne.de> Cc: stable@FreeBSD.ORG Subject: Re: what's vnlru? Message-ID: <200201190102.g0J12MF37253@apollo.backplane.com> References: <200201151618468.SM01176@141.com> <200201160101.g0G117r64693@apollo.backplane.com> <20020116104904.A2800@shikima.mine.nu> <20020116135318.GA427@laurel.seck.home>
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:# Rasputin (rasputin@submonkey.net):
:
:[vnlru]
:
:> Thansk for the overview - it's not a performance issue, I just checked
:> another fairly recent (4.5 pre) BSD box and didn't see it,
:> so thought I'd better check it out.
:>
:> [ Is this the sort of thing that should go into UPDATING? ]
:
:I'd vote for a short description in the release notes (I did not
:overlook them for a few months, so I do not know whether Bruce Mah
:picked it up already).
:
: --Thomas
How about this (see at end). Unfortunately, I have no idea how to make
the doc tree build, typing 'make' in /usr/src/release/doc in -stable
doesn't work.
"/FreeBSD/FreeBSD-4.x/src/release/doc/Makefile", line 37: Could not find /FreeBSD/FreeBSD-4.x/src/release/doc/../../../doc/share/mk/doc.subdir.mk
And RELENG_4 doesn't have a 'doc' subhierarchy. If I link -current's
doc subhierarchy to that location then it fails with:
...
oc/en_US.ISO8859-1/relnotes/alpha/../../../share/sgml/catalog -t sgml /FreeBSD/FreeBSD-4.x/src/release/doc/en_US.ISO8859-1/relnotes/alpha/article.sgml > article.html || (/bin/rm -f article.html && false)
/usr/local/bin/jade:/FreeBSD/FreeBSD-4.x/src/release/doc/en_US.ISO8859-1/relnotes/alpha/../common/../common/new.sgml:713:47:E: general entity "man.smbutil.1" not defined and no default entity
/usr/local/bin/jade:/FreeBSD/FreeBSD-4.x/src/release/doc/en_US.ISO8859-1/relnotes/alpha/../common/../common/new.sgml:714:7:E: general entity "man.mount.smbfs.8" not defined and no default entity
*** Error code 1
Stop in /FreeBSD/FreeBSD-4.x/src/release/doc/en_US.ISO8859-1/relnotes/alpha.
*** Error code 1
-Matt
Matthew Dillon
<dillon@backplane.com>
Index: common/new.sgml
===================================================================
RCS file: /home/ncvs/src/release/doc/en_US.ISO8859-1/relnotes/common/new.sgml,v
retrieving revision 1.22.2.176
diff -u -r1.22.2.176 new.sgml
--- common/new.sgml 14 Jan 2002 16:00:20 -0000 1.22.2.176
+++ common/new.sgml 19 Jan 2002 00:42:35 -0000
@@ -149,6 +149,12 @@
the timing of samples, in order to avoid synchronization with
processes that run periodically.</para>
+ <para>The kernel now enforces the kern.maxvnodes limit with
+ a new kernel process called <literal>vnlru</literal>. The
+ code typically only needs to do work on large-memory systems
+ which access lots of tiny files and prevents us from overflowing
+ the kernel malloc hoppers for vnodes or inodes.</para>
+
<para>If a debugging kernel with modules is being built
(i.e. using <literal>makeoptions DEBUG=-g</literal>), the modules
will now be built with debugging support as well, for
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