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=-3.5 required=3.0 tests=AWL,BAYES_00, DKIM_ADSP_CUSTOM_MED,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: Jakub Narebski Subject: Re: win2k/cygwin cannot handle even moderately sized packs Date: Tue, 07 Nov 2006 16:50:59 +0100 Organization: At home Message-ID: References: <81b0412b0611070302h50541cd5mf0758afe0d6befda@mail.gmail.com> <45507965.3010806@peralex.com> <81b0412b0611070555u1833cc8ci1d37d45782562df8@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7Bit NNTP-Posting-Date: Tue, 7 Nov 2006 15:52:17 +0000 (UTC) Return-path: Envelope-to: gcvg-git@gmane.org X-Injected-Via-Gmane: http://gmane.org/ Original-Lines: 20 Original-X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: host-81-190-24-209.torun.mm.pl Mail-Copies-To: jnareb@gmail.com User-Agent: KNode/0.10.2 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 1GhTEu-0005lI-Sx for gcvg-git@gmane.org; Tue, 07 Nov 2006 16:51:54 +0100 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752470AbWKGPvU (ORCPT ); Tue, 7 Nov 2006 10:51:20 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754072AbWKGPvU (ORCPT ); Tue, 7 Nov 2006 10:51:20 -0500 Received: from main.gmane.org ([80.91.229.2]:37017 "EHLO ciao.gmane.org") by vger.kernel.org with ESMTP id S1752470AbWKGPvT (ORCPT ); Tue, 7 Nov 2006 10:51:19 -0500 Received: from list by ciao.gmane.org with local (Exim 4.43) id 1GhTDu-0005V5-Qq for git@vger.kernel.org; Tue, 07 Nov 2006 16:50:52 +0100 Received: from host-81-190-24-209.torun.mm.pl ([81.190.24.209]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 07 Nov 2006 16:50:50 +0100 Received: from jnareb by host-81-190-24-209.torun.mm.pl with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Tue, 07 Nov 2006 16:50:50 +0100 To: git@vger.kernel.org Sender: git-owner@vger.kernel.org Alex Riesen wrote: >> 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). Perhaps planned mmapping only parts of packs would help there. -- Jakub Narebski Warsaw, Poland ShadeHawk on #git