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 F0B01178FE for ; Tue, 4 Nov 2014 07:00:45 +0000 (UTC) Received: (qmail 55857 invoked by uid 500); 4 Nov 2014 07:00:45 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 55810 invoked by uid 500); 4 Nov 2014 07:00:45 -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 55799 invoked by uid 99); 4 Nov 2014 07:00:45 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 04 Nov 2014 07:00:45 +0000 Date: Tue, 4 Nov 2014 07:00:45 +0000 (UTC) From: "Kai Zheng (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-7337) Configurable and pluggable Erasure Codec and schema MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 [ https://issues.apache.org/jira/browse/HDFS-7337?page=3Dcom.atlassian.= jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=3D14195= 815#comment-14195815 ]=20 Kai Zheng commented on HDFS-7337: --------------------------------- To better position this issue and avoid the possible confusion with storage= policy, rephrased the title a bit. > Configurable and pluggable Erasure Codec and schema > --------------------------------------------------- > > Key: HDFS-7337 > URL: https://issues.apache.org/jira/browse/HDFS-7337 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Zhe Zhang > Fix For: HDFS-EC > > > According to HDFS-7285 and the design, this considers to support multiple= Erasure Codecs via pluggable approach. It allows to define and configure m= ultiple codec schemas > with different coding algorithms and parameters. The resultant codec sche= mas can be utilized and specified via command tool for different file folde= rs. While design and implement such pluggable framework, it=E2=80=99s also = to implement a concrete codec by default (Reed Solomon) to prove the framew= ork is useful and workable. Separate JIRA could be opened for the RS codec = implementation. -- This message was sent by Atlassian JIRA (v6.3.4#6332)