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Date:      Wed, 4 Jan 2017 16:13:22 +0100
From:      Julien Cigar <julien@perdition.city>
To:        freebsd-questions@freebsd.org
Subject:   vfs.numvnodes constantly growing
Message-ID:  <20170104151322.GZ15696@mordor.lan>

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[-- Attachment #1 --]
Hello,

I've upgraded a bunch of Proliant DL160 Gen8 machines from 10.0-RELEASE 
to 10.3-RELEASE-p15. They have 64GB of RAM, running UFS, jails, and 
have some NFS mounts:
https://gist.github.com/silenius/4a3005684b998e648ea93c72c3dc7714

I'm observing a constant increase (~5/sec) of vfs.numvnodes, getting 
closer to kern.maxvnodes:

jcigar@orval:~/ > sysctl -a|grep -i 'vnodes'|sort
kern.maxvnodes: 1165332
kern.minvnodes: 291333
vfs.freevnodes: 289726
vfs.numvnodes: 1008361
vfs.vnodes_created: 98017296
vfs.wantfreevnodes: 291333

any idea what could be the cause of this ?

Thanks!

Julien

-- 
Julien Cigar
Belgian Biodiversity Platform (http://www.biodiversity.be)
PGP fingerprint: EEF9 F697 4B68 D275 7B11  6A25 B2BB 3710 A204 23C0
No trees were killed in the creation of this message.
However, many electrons were terribly inconvenienced.

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