Return-Path: X-Original-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Delivered-To: apmail-hadoop-mapreduce-user-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 01B93F76B for ; Thu, 4 Apr 2013 07:12:56 +0000 (UTC) Received: (qmail 92980 invoked by uid 500); 4 Apr 2013 07:12:51 -0000 Delivered-To: apmail-hadoop-mapreduce-user-archive@hadoop.apache.org Received: (qmail 92691 invoked by uid 500); 4 Apr 2013 07:12:50 -0000 Mailing-List: contact user-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: user@hadoop.apache.org Delivered-To: mailing list user@hadoop.apache.org Received: (qmail 92641 invoked by uid 99); 4 Apr 2013 07:12:48 -0000 Received: from nike.apache.org (HELO nike.apache.org) (192.87.106.230) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 04 Apr 2013 07:12:48 +0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS,T_FRT_BELOW2 X-Spam-Check-By: apache.org Received-SPF: pass (nike.apache.org: domain of bertyuan@gmail.com designates 209.85.223.177 as permitted sender) Received: from [209.85.223.177] (HELO mail-ie0-f177.google.com) (209.85.223.177) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 04 Apr 2013 07:12:41 +0000 Received: by mail-ie0-f177.google.com with SMTP id tp5so2676067ieb.22 for ; Thu, 04 Apr 2013 00:12:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:sender:date:x-google-sender-auth:message-id :subject:from:to:content-type; bh=KwZwMWiJ4010AeBGFkjYKQiHP3EfasmRD1tb3Xur9Hg=; b=sVuHAPAuzMhHReDd/NUu59PV24jQeFWxoXK717Z59pUzY88sH0FGSBmbKephPWdEUl PVKODg5MEeBQq95yw2GaMJPjJIHTWmGOA24Y5q9HQU1VOEUttPsLE9psfT5msKTk1nGc cgVTbxAA1liuLf1Z4VxH9HK8L2TrNXgzQgkBynkRw0jpIE89Bu+rvFIIaxH9sjcs/GrH mztc668hLfR3X8eo7e6dG2UuE9plnHZQI0enwgpIjfvttLgNre0LXc76CZe3j0dE7UY6 mBc1y6Rn/4KjQVfwKmQjHt2Xr1Y1zrkgAtyRnRrjdaaopzuPdqyVY7Pv6LL56FpXwN7O in4w== MIME-Version: 1.0 X-Received: by 10.42.64.69 with SMTP id f5mr2705589ici.29.1365059540545; Thu, 04 Apr 2013 00:12:20 -0700 (PDT) Sender: bertyuan@gmail.com Received: by 10.64.124.69 with HTTP; Thu, 4 Apr 2013 00:12:20 -0700 (PDT) Date: Thu, 4 Apr 2013 15:12:20 +0800 X-Google-Sender-Auth: i0gq4srcajUZnK3JaVvdZ1EhYwA Message-ID: Subject: What do ns_quota and ds_quota mean in an namednode entry From: Bert Yuan To: hdfs-dev@hadoop.apache.org, user@hadoop.apache.org Content-Type: multipart/alternative; boundary=90e6ba5bca8f0303b504d983b193 X-Virus-Checked: Checked by ClamAV on apache.org --90e6ba5bca8f0303b504d983b193 Content-Type: text/plain; charset=UTF-8 Bellow is json format of an namednode entry: { inode:{ inodepath:'/anotherDir/biggerfile', replication:3, modificationtime:'2009-03-16 14:15', accesstime:'2009-03-16 14:15', blocksize:134217728, blocks:{ numblocks:3, block:[ { blockid:-3825289017228345300, numbytes:134217728, generationstamp:1002 }, { blockid:-561951562131659300, numbytes:134217728, generationstamp:1002 }, { blockid:524543674153269000, numbytes:18196208, generationstamp:1002 } ] }, nsquota:-1, dsquota:-1, permissions:{ username:'jhoman', groupname:'supergroup', permstring:'rw-r--r--' } } } I don't know what's the meaning of 'nsquota' and 'dsquota', could anyone explain this to me? 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