From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.176.0/21 X-Spam-Status: No, score=-3.4 required=3.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MSGID_FROM_MTA_HEADER,RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 From: "Alex Riesen" Subject: Re: win2k/cygwin cannot handle even moderately sized packs Date: Tue, 7 Nov 2006 14:55:01 +0100 Message-ID: <81b0412b0611070555u1833cc8ci1d37d45782562df8@mail.gmail.com> References: <81b0412b0611070302h50541cd5mf0758afe0d6befda@mail.gmail.com> <45507965.3010806@peralex.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit NNTP-Posting-Date: Tue, 7 Nov 2006 13:55:36 +0000 (UTC) Cc: git@vger.kernel.org Return-path: Envelope-to: gcvg-git@gmane.org DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=IFX807kUdITN+FF0z4KOniyhjFleJHGcI9okleffkVRnmkk6l5Rg74k1q5XAXVeLYYJo6tjs5qnofShp0MWFRGwM4yxiLSEaXXowfCniLcDWdN58cHuHVYEPNvD/9ZYVBMD9sgCp/g8Q1tBz6HW5mdDGb4JP6jn/uh75lXOZGFk= In-Reply-To: <45507965.3010806@peralex.com> Content-Disposition: inline Precedence: bulk X-Mailing-List: git@vger.kernel.org Archived-At: Received: from vger.kernel.org ([209.132.176.167]) by ciao.gmane.org with esmtp (Exim 4.43) id 1GhRQ2-0004IW-OF for gcvg-git@gmane.org; Tue, 07 Nov 2006 14:55:15 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750953AbWKGNzG (ORCPT ); Tue, 7 Nov 2006 08:55:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753825AbWKGNzG (ORCPT ); Tue, 7 Nov 2006 08:55:06 -0500 Received: from wr-out-0506.google.com ([64.233.184.236]:7139 "EHLO wr-out-0506.google.com") by vger.kernel.org with ESMTP id S1750953AbWKGNzD (ORCPT ); Tue, 7 Nov 2006 08:55:03 -0500 Received: by wr-out-0506.google.com with SMTP id i7so232962wra for ; Tue, 07 Nov 2006 05:55:03 -0800 (PST) Received: by 10.78.201.10 with SMTP id y10mr8294214huf.1162907702000; Tue, 07 Nov 2006 05:55:02 -0800 (PST) Received: by 10.78.128.2 with HTTP; Tue, 7 Nov 2006 05:55:01 -0800 (PST) To: "Noel Grandin" Sender: git-owner@vger.kernel.org > So the problem is probably memory fragmentation. probably. > You might have more joy if you allocated one HUGE chunk immediately on > startup to use for the pack, and then kept re-using that chunk. Well, it is not _one_ chunk. The windows/cygwin abomin...combination may take an issue with this: it seem to copy complete address space at fork, which even for such a small packs I have here takes system down lightly (yes, I tried it).