Return-Path: X-Original-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Delivered-To: apmail-hadoop-hdfs-issues-archive@minotaur.apache.org Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by minotaur.apache.org (Postfix) with SMTP id 5543918C13 for ; Tue, 19 May 2015 01:47:00 +0000 (UTC) Received: (qmail 10070 invoked by uid 500); 19 May 2015 01:47:00 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 10009 invoked by uid 500); 19 May 2015 01:47:00 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: hdfs-issues@hadoop.apache.org Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 9997 invoked by uid 99); 19 May 2015 01:47:00 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 19 May 2015 01:47:00 +0000 Date: Tue, 19 May 2015 01:47:00 +0000 (UTC) From: "Walter Su (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-8186) Erasure coding: Make block placement policy for EC file configurable MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-8186?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14549644#comment-14549644 ] Walter Su commented on HDFS-8186: --------------------------------- > ...Looks like we should add a TODO that webhdfs on striped files will be supported later? It's done, not a TODO. Webhdfs already support write striped file (HDFS-8352). {{chooseTarget4WebHDFS}} return a proxy DN. We only requires proxy DN closer to client. Proxy DN is or is not one target DN. Proxy DN will create a DFSClient to redirect data from client to target DNs. ( You can see the details from HDFS-2316) > Erasure coding: Make block placement policy for EC file configurable > -------------------------------------------------------------------- > > Key: HDFS-8186 > URL: https://issues.apache.org/jira/browse/HDFS-8186 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Walter Su > Assignee: Walter Su > Attachments: HDFS-8186-HDFS-7285.002.patch, HDFS-8186.001.patch > > > This includes: > 1. User can config block placement policy for EC file in xml configuration file. > 2. EC policy works for EC file, replication policy works for non-EC file. They are coexistent. > Not includes: > 1. Details of block placement policy for EC. Discussion and implementation goes to HDFS-7613. -- This message was sent by Atlassian JIRA (v6.3.4#6332)