From owner-freebsd-hackers@FreeBSD.ORG Thu Jun 5 10:09:13 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 087621065674 for ; Thu, 5 Jun 2008 10:09:13 +0000 (UTC) (envelope-from tzhuan@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.157]) by mx1.freebsd.org (Postfix) with ESMTP id 77F788FC16 for ; Thu, 5 Jun 2008 10:09:12 +0000 (UTC) (envelope-from tzhuan@gmail.com) Received: by fg-out-1718.google.com with SMTP id l26so379177fgb.35 for ; Thu, 05 Jun 2008 03:09:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:sender :to:subject:cc:in-reply-to:mime-version:content-type :content-transfer-encoding:content-disposition:references :x-google-sender-auth; bh=gW6IGjFZGrLB0HY4UAbiJC1OcKkOe9jexX1Dqjo+D4c=; b=XS7QLwJavWqp3D+DjLBmwnOqQPa+bi5le9S3X/kyqz+scYU7bPjkcDwoMxHKe2olDa oX68rfRNW/tJjKqrjgWdZXkJSushFW6x/zoVe2axn5YAy3dgf5T7GVVESjxRfkRwPg06 TEL4SkJZ6MsEISvdylTRlW8/1+pYpXTHc9i/g= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version :content-type:content-transfer-encoding:content-disposition :references:x-google-sender-auth; b=bLF141h555reiiyaTKWr03y2fa1t2Vh6T+seLEBqeMA6Hcev1UhjPBNZU8mdmMYpha lvJrw2KMh1+8o76+S/EK+G9DRKCgvVLGdqknZNZ9mQ+eq7Cs/EBAQ8q28znbMEfMrjh8 OV1LuS7jzB00AsJ4PXkgW077OjGxVQC5ghZZQ= Received: by 10.86.99.9 with SMTP id w9mr1725233fgb.70.1212660551437; Thu, 05 Jun 2008 03:09:11 -0700 (PDT) Received: by 10.86.92.1 with HTTP; Thu, 5 Jun 2008 03:09:11 -0700 (PDT) Message-ID: <6a7033710806050309l7b994e96i6e4f2f6383444ab0@mail.gmail.com> Date: Thu, 5 Jun 2008 18:09:11 +0800 From: "Tz-Huan Huang" Sender: tzhuan@gmail.com To: "Pawel Jakub Dawidek" In-Reply-To: <20080605062728.GA4278@garage.freebsd.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <6a7033710805302252v43a7b240x66ca3f5e3dd5fda4@mail.gmail.com> <20080603135308.GC3434@garage.freebsd.pl> <6a7033710806032317g4dbe8845h26a1196016b9c440@mail.gmail.com> <86zlq140x0.fsf@ds4.des.no> <6a7033710806041053g4a5c2fdftd7202b708bff363c@mail.gmail.com> <20080605062728.GA4278@garage.freebsd.pl> X-Google-Sender-Auth: 10f4f8ea8e69051f Cc: Dag-Erling Sm??rgrav , freebsd-hackers@freebsd.org Subject: Re: Is there any way to increase the KVM? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 05 Jun 2008 10:09:13 -0000 On Thu, Jun 5, 2008 at 2:27 PM, Pawel Jakub Dawidek wrote: > On Thu, Jun 05, 2008 at 01:53:37AM +0800, Tz-Huan Huang wrote: >> On Thu, Jun 5, 2008 at 12:31 AM, Dag-Erling Sm??rgrav wrote: > I'm don't think the panics are related to pool size. More to the load > and characteristics of your workload. I see. Our server exports all zfs filesytem via nfs to other 10 machines, which run the svm (http://en.wikipedia.org/wiki/Support_vector_machine) day and night to classify the video data ... > If we're comparing who has bigger... :) > > beast:root:~# zpool list > NAME SIZE USED AVAIL CAP HEALTH ALTROOT > tank 732G 604G 128G 82% ONLINE - > > but: > > beast:root:~# zfs list | wc -l > 1932 > > No panics. > > PS. I'm quite sure the ZFS version I've in perforce will fix most if not > all 'kmem_map too small' panics. It's not yet committed, but I do want > to MFC it into RELENG_7. That's great news! Thanks, Tz-Huan