From owner-freebsd-current@FreeBSD.ORG Fri May 29 19:08:17 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4489F106567D; Fri, 29 May 2009 19:08:17 +0000 (UTC) (envelope-from ler@lerctr.org) Received: from thebighonker.lerctr.org (thebighonker.lerctr.org [192.147.25.65]) by mx1.freebsd.org (Postfix) with ESMTP id 0CF9C8FC17; Fri, 29 May 2009 19:08:13 +0000 (UTC) (envelope-from ler@lerctr.org) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=lerami; d=lerctr.org; h=Received:Date:From:To:cc:Subject:In-Reply-To:Message-ID:References:User-Agent:MIME-Version:Content-Type:X-Spam-Score:X-LERCTR-Spam-Score:X-Spam-Report:X-LERCTR-Spam-Report:DomainKey-Status; b=Vl+/pkZ7ZzsbOvlz+OlyKu22Jg7WcqksxUwz/KJZFtQY8ykGjZ6hofG81SxsP+BLjWvl3yDrNqNJW/kSo6z8TVYdK9BwJptwZQJjSL1nOZHgVVIGD0zrurfyK9LTvi/hCJy4r/RhsFmfoL4+E+YP0taI00gnoXh3RPBy0YPKeoo=; Received: from thebighonker.lerctr.org ([192.147.25.65]:63929) by thebighonker.lerctr.org with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.69 (FreeBSD)) (envelope-from ) id 1MA7R5-000LFP-Te; Fri, 29 May 2009 14:08:13 -0500 Date: Fri, 29 May 2009 14:08:09 -0500 (CDT) From: Larry Rosenman To: Kip Macy In-Reply-To: <3c1674c90905291129h7bd6fb6ai6ab772e3aed624d@mail.gmail.com> Message-ID: References: <3c1674c90905242253n544c3f0cqb10952f349391ce7@mail.gmail.com> <454b8cc37c60ab7af2663ba70ddbfd59.squirrel@webmail.lerctr.org> <5a9a181a12e9e4ef864d23ae063f7277.squirrel@webmail.lerctr.org> <3c1674c90905280055h740bce23p33b18fefacf31196@mail.gmail.com> <3c1674c90905291129h7bd6fb6ai6ab772e3aed624d@mail.gmail.com> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Spam-Score: -4.3 (----) X-LERCTR-Spam-Score: -4.3 (----) X-Spam-Report: SpamScore (-4.3/5.0) ALL_TRUSTED=-1.8, BAYES_00=-2.599, SARE_SUB_OBFU_OTHER=0.135 X-LERCTR-Spam-Report: SpamScore (-4.3/5.0) ALL_TRUSTED=-1.8, BAYES_00=-2.599, SARE_SUB_OBFU_OTHER=0.135 DomainKey-Status: no signature Cc: freebsd-current@freebsd.org Subject: Re: ZFS Crash X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 May 2009 19:08:17 -0000 On Fri, 29 May 2009, Kip Macy wrote: > I'm fairly certain I know what the problem is. The (de)compress > functions allocate their own memory completely independently of the > arc limits. The allocations are blocking so the system will try to > page in attempt to provide the requested memory. > > > Cheers, > Kip Is there anything else I can supply? Is the minute-by-minute vmstat info useful? Should I keep running it? I'm willing to be a guinea pig for code changes. -- Larry Rosenman http://www.lerctr.org/~ler Phone: +1 512-248-2683 E-Mail: ler@lerctr.org US Mail: 430 Valona Loop, Round Rock, TX 78681-3893