From owner-freebsd-fs@FreeBSD.ORG Thu Aug 29 20:53:27 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 26F61DDF for ; Thu, 29 Aug 2013 20:53:27 +0000 (UTC) (envelope-from berend@pobox.com) Received: from smtp.pobox.com (b-pb-sasl-quonix.pobox.com [208.72.237.35]) by mx1.freebsd.org (Postfix) with ESMTP id D60BD286C for ; Thu, 29 Aug 2013 20:53:26 +0000 (UTC) Received: from smtp.pobox.com (unknown [127.0.0.1]) by b-sasl-quonix.pobox.com (Postfix) with ESMTP id 2253F3DE73; Thu, 29 Aug 2013 20:53:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=date :message-id:from:to:cc:subject:in-reply-to:references :mime-version:content-type:content-transfer-encoding; s=sasl; bh=3e+Ymb67cB0vioZI2OAETUrLMAc=; b=D4q4UoTQxS+fDVMuw+Ie9JYHcuxP 3Dzr/4dTIsvHgoVNWGXoWq3pZRNlNEEmmvz4pjyCcE6kC8xYXM44xecytBa8Kroc LVL1Vph1fTc1EyjdkY28d+plo+2qa68VYTAkiA6bY/897/3cN1aYZf81/DAQz0dC DBBnkfAm4iqVWW4= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=date:message-id :from:to:cc:subject:in-reply-to:references:mime-version :content-type:content-transfer-encoding; q=dns; s=sasl; b=vdNRMn WTp2eHD1/i9xnJyPg3sk1mdNg5de5ursHCT6CA7tXc18B6ma3UYsrgDSQuZILe7y 7/naXM2AjDJcnZa69kUrCTGW/1I94qJ458kG92XGMzoH0bLfYOe8vyVNhgd3PhYw z54+kTwtAEHb/g5gxKzqcgipv4+tGQWTEKe5Q= Received: from b-pb-sasl-quonix.pobox.com (unknown [127.0.0.1]) by b-sasl-quonix.pobox.com (Postfix) with ESMTP id 155EF3DE72; Thu, 29 Aug 2013 20:53:18 +0000 (UTC) Received: from bmach.nederware.nl (unknown [27.252.231.117]) by b-sasl-quonix.pobox.com (Postfix) with ESMTPA id 6C5B43DE70; Thu, 29 Aug 2013 20:53:17 +0000 (UTC) Received: from quadrio.nederware.nl (quadrio.nederware.nl [192.168.33.13]) by bmach.nederware.nl (Postfix) with ESMTP id 81C565C57; Fri, 30 Aug 2013 08:53:15 +1200 (NZST) Received: from quadrio.nederware.nl (quadrio.nederware.nl [127.0.0.1]) by quadrio.nederware.nl (Postfix) with ESMTP id 6287E4042FCD; Fri, 30 Aug 2013 08:53:15 +1200 (NZST) Date: Fri, 30 Aug 2013 08:53:15 +1200 Message-ID: <877gf4cj7o.wl%berend@pobox.com> From: Berend de Boer To: Freddie Cash Subject: Re: NFS on ZFS pure SSD pool In-Reply-To: References: <1079189088.15197172.1377784177805.JavaMail.root@uoguelph.ca> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.8 EasyPG/1.0.0 Emacs/24.3 (i686-pc-linux-gnu) MULE/6.0 (HANACHIRUSATO) Organization: Xplain Technology Ltd MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: multipart/signed; boundary="pgp-sign-Multipart_Fri_Aug_30_08:53:14_2013-1"; micalg=pgp-sha256; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit X-Pobox-Relay-ID: 07BF92F0-10ED-11E3-B9B9-CA9B8506CD1E-48001098!b-pb-sasl-quonix.pobox.com Cc: FreeBSD FS X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Aug 2013 20:53:27 -0000 --pgp-sign-Multipart_Fri_Aug_30_08:53:14_2013-1 Content-Type: text/plain; charset=US-ASCII >>>>> "Freddie" == Freddie Cash writes: Freddie> This will show you how many bytes of the ARC are being Freddie> used by metadata: sysctl vfs.zfs.arc_meta_used Freddie> You can tune what the max is via: sysctl Freddie> vfs.zfs.arc_meta_limit Strangely enough on my system arc_meta_used = 2GB, while arc_meta_limit = 1.5G. Wouldn't you expect that arc_meta_used would be lower than this limit? -- All the best, Berend de Boer ------------------------------------------------------ Awesome Drupal hosting: https://www.xplainhosting.com/ --pgp-sign-Multipart_Fri_Aug_30_08:53:14_2013-1 Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit Content-Description: OpenPGP Digital Signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.17 (GNU/Linux) iQIcBAABCAAGBQJSH7S6AAoJEKOfeD48G3g5oZ0QALi0G4zhgg2ZYsviFv4ulu5w g2csNeYUvRYI50stI50f9YpvzsSf8S2QGpIgsweAeFGrbNLmRQ+rEXGxnLw4soLp Pu4LXiekKbHflqvvBrMyXSEP/Yo6uKc57pzjstPuuSZJCeQydCbOfQ9FOAMphLVn J8nHArsdTiwYOaK/gYMKY7vLpDLnTG4GOB6/69vySIYuYEhCT/1LnjFmbehfXj11 KSsFsVLJUsaCBcYom2onwiZrHAXoDFO0wIVuMrHrt/vZ2SaHoXik8ZQxprRvBapx M1yp3ORFvW8StmMHlLfeb9i3PGjnNX//n0RhpkrF7Lq+AHRm+1ani+LftVPzwKSx b1Rsp3wdo4xLoBSuC6dOTwzuiPgWFYL3XenrBpghA2lESyaEbnkYpFgl7P6Xlmo/ SMiXpOf3GPzA2Oj9ZN83wntQfV3ABjlml6lcRqymmRF0KeybRUBOlSjMM7tycJaf m5sfFip9m9cnx5iTgOHdvJO6LzbVxI6PrXzc4Os9wqquIdkNjyhVwmloMliip3QQ xHOw6iQ5H6NLsetO3qsZrUbbkpvQBr6es25kIdUh9eUQG1pC8TLf53lfcGdq16Zj GIJFYe4qy5/D6mj/IvibmHihUHBdCxnzgkO5frkk83I0vEO/lqy7nGPS4Q5e6KAj fsbC3ULZ2ae6z84Oxe2k =gMzg -----END PGP SIGNATURE----- --pgp-sign-Multipart_Fri_Aug_30_08:53:14_2013-1--