Return-Path: Delivered-To: apmail-lucene-hadoop-user-archive@locus.apache.org Received: (qmail 27851 invoked from network); 10 Oct 2007 02:36:22 -0000 Received: from hermes.apache.org (HELO mail.apache.org) (140.211.11.2) by minotaur.apache.org with SMTP; 10 Oct 2007 02:36:22 -0000 Received: (qmail 56706 invoked by uid 500); 10 Oct 2007 02:36:09 -0000 Delivered-To: apmail-lucene-hadoop-user-archive@lucene.apache.org Received: (qmail 56677 invoked by uid 500); 10 Oct 2007 02:36:09 -0000 Mailing-List: contact hadoop-user-help@lucene.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hadoop-user@lucene.apache.org Delivered-To: mailing list hadoop-user@lucene.apache.org Received: (qmail 56668 invoked by uid 99); 10 Oct 2007 02:36:09 -0000 Received: from athena.apache.org (HELO athena.apache.org) (140.211.11.136) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 09 Oct 2007 19:36:09 -0700 X-ASF-Spam-Status: No, hits=-0.0 required=10.0 tests=SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of xiegang112@gmail.com designates 66.249.92.170 as permitted sender) Received: from [66.249.92.170] (HELO ug-out-1314.google.com) (66.249.92.170) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 10 Oct 2007 02:36:12 +0000 Received: by ug-out-1314.google.com with SMTP id a2so255367ugf for ; Tue, 09 Oct 2007 19:35:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; bh=1gICtrLdRCVrczgsjhQAW03yfzUeJ4K6Ru/HjHUQ0Uk=; b=iqhruZlZvHsbggku1DiC0xOYMwbfLRHpejaE/W2I3RobTzsBgMn9/NrppIHfoeJARj0fLdMBIQ3v5ge4S/7YL+M9s/XzJsWsqQzSZd+wRQW6ZenoTgfl8GlEUNqTHSWPUyzhYuue/MNjdHVNZ6Fu92wuTUTffEDgJUkbO+SW/WM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:mime-version:content-type:content-transfer-encoding:content-disposition; b=H4KHDV2tSQoiYFLH24NyrT0R+jRkSP3HQuJyDvqD8/9AfL4xBwuveK5okD5hCtM3zmdw7oKGvCkNDCr6AgJPXDzWvp3RJmUhaycT+5F1IXNfn+gS2zP3GQIyCe0HnHQXJrhLzXSAWxA4yFyBCu+VtI22VAXbtrPAt+Z0UKhuZ/A= Received: by 10.78.170.17 with SMTP id s17mr77329hue.1191983750365; Tue, 09 Oct 2007 19:35:50 -0700 (PDT) Received: by 10.78.179.15 with HTTP; Tue, 9 Oct 2007 19:35:50 -0700 (PDT) Message-ID: Date: Wed, 10 Oct 2007 10:35:50 +0800 From: "=?GB2312?B?0Lu42Q==?=" To: hadoop-user@lucene.apache.org Subject: lock service in hadoop MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Virus-Checked: Checked by ClamAV on apache.org Hi, Is there any lock service in hadoop to sync the access to file (such as chubby in GFS)? Thanks -- Xie Gang