X-Recipient: archive-cygwin AT delorie DOT com DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:to:from:subject:date:message-id:references :mime-version:content-type:content-transfer-encoding; q=dns; s= default; b=mIT3fFfLSydZIaYL0oWQeVauA9axFrP/qswl0WuCx97A5uhH0F5ch UWp8AerfrrioW0brtmVO5YFLwIZhcZBMNGn0xDwfXwZ7PZKaslWl+0GkaW1L78Hy C+B2euWasGHBD6nERj2KqCmvaRPqY+XRdNU1I2FprpO4iLg2xHguMo= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:to:from:subject:date:message-id:references :mime-version:content-type:content-transfer-encoding; s=default; bh=wJHp7/g4a7zxLm6JgA4rqpYlWEw=; b=ipBnONiat/aZOknE+C0A/zHtAxq+ 0Ljy1uxun4ezEgxNwSopCC2u3c+VivhXGdL7tWEEjN5W/VOIU8VrkGNqr4XeHZay dRpJMGG7Lqtg5lu3dMPAGGXmzMYnHmgQWf6I4XgRMJ2XKIksxP1p6XLXqxikSR/r ERd293RBB4SpesM= Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-4.4 required=5.0 tests=AWL,BAYES_50,FSL_HELO_BARE_IP_2,RCVD_IN_DNSWL_LOW,RCVD_NUMERIC_HELO,RP_MATCHES_RCVD,SPF_HELO_PASS,SPF_PASS autolearn=no version=3.3.2 X-HELO: plane.gmane.org To: cygwin AT cygwin DOT com From: Achim Gratz Subject: Re: [ANNOUNCEMENT] TEST RELEASE: Cygwin 2.3.0-0.4 Date: Fri, 23 Oct 2015 14:01:27 +0000 (UTC) Lines: 23 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit User-Agent: Loom/3.14 (http://gmane.org/) X-IsSubscribed: yes Corinna Vinschen cygwin.com> writes: > There's, as usual, a downside: AuthZ leans a bit to the slow side. It's not too bad, as long as your network connection is fast (and fast means short roundtrip time for an AD query). If I take each page fault as reported by time as a proxy for an AD access, then it needs about three times more roundtrips to the AD. On a server with almost perfect connectivity to the AD that increases the wall-time of listing a very large directory with directories/files from many users (about a quarter of all users in the AD, and not all from the local domain) from 8 to 10 minutes. The CPU time as well as the network traffic is neglible in both cases. On my local laptop things look a bit different, a small ~5% subset of the test above goes from 20s to 200s and a different larger ~10% subset from 50s to 500s. While that hurts, the more usual case with many files from the same user doesn't feel any slower at the moment. The access through VPN will be interesting, though... Regards, Achim. -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple