Return-Path: X-Original-To: apmail-hadoop-common-user-archive@www.apache.org Delivered-To: apmail-hadoop-common-user-archive@www.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 14CD21075E for ; Tue, 10 Sep 2013 00:12:34 +0000 (UTC) Received: (qmail 53814 invoked by uid 500); 10 Sep 2013 00:12:29 -0000 Delivered-To: apmail-hadoop-common-user-archive@hadoop.apache.org Received: (qmail 53715 invoked by uid 500); 10 Sep 2013 00:12:29 -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 Delivered-To: moderator for user@hadoop.apache.org Received: (qmail 45021 invoked by uid 99); 10 Sep 2013 00:09:38 -0000 X-ASF-Spam-Status: No, hits=1.5 required=5.0 tests=HTML_MESSAGE,RCVD_IN_DNSWL_LOW,SPF_PASS X-Spam-Check-By: apache.org Received-SPF: pass (athena.apache.org: domain of ivanbuaa@gmail.com designates 209.85.212.182 as permitted sender) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:from:date:message-id:subject:to:content-type; bh=5snTIQQ0ENVZjcEjpC7MWoUiEd0ry7qnjM3U9JCQVVw=; b=Q9MueqzXZvHnIPMzG4TWV/xWD7+w9N3GBH9c8ljFJBRB1K5kl2022OEcr+fp8iVx9n f3TsutgvquRKshPh8m3EiV3XQNV+UD6e+gCHk2VDwnSpPfMBhYtYsnlkjDFUbHgQyeo4 DaD6uXqIEuRMDQKyGRax/u/DzShQiYDCQJ9y8t372tSlkYEU1AC2X3CJCkV1CgRjzir4 b2Rt8/a+KOHUtmOceGmOmqlMqhjvKTMTnEz1ljZJCDnDMBMQN3cXQq+o+MCqkVtON9Mq tbWAuCAv/e3JfJNi0gYtqxOATyPD2iU3JXvGdKKatjyT51fEnso4t/2vV4Xj9jYiSXeh XWvg== X-Received: by 10.180.72.195 with SMTP id f3mr10444190wiv.51.1378771752713; Mon, 09 Sep 2013 17:09:12 -0700 (PDT) MIME-Version: 1.0 From: ivan zhang Date: Tue, 10 Sep 2013 10:08:52 +1000 Message-ID: Subject: Questions about BlockPlacementPolicy To: user@hadoop.apache.org Content-Type: multipart/alternative; boundary=f46d043c7b8c8c08b504e5fc5007 X-Virus-Checked: Checked by ClamAV on apache.org --f46d043c7b8c8c08b504e5fc5007 Content-Type: text/plain; charset=ISO-8859-1 Hi everyone: I am now working on developing my own BlockPlacementPolicy for HDFS, is it possible to set different block have different replication number? Like different files have different copies? I make some try but it seems cannot work Thank you very much Yifan --f46d043c7b8c8c08b504e5fc5007 Content-Type: text/html; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable
Hi everyone:

I am now working on develo= ping my own BlockPlacementPolicy for HDFS, is it possible to set different = block have different replication number? =A0 Like different files have diff= erent copies? I make some try but it seems cannot work


Thank you very much

=




Yifan
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