Return-Path: X-Original-To: archive-asf-public-internal@cust-asf2.ponee.io Delivered-To: archive-asf-public-internal@cust-asf2.ponee.io Received: from cust-asf.ponee.io (cust-asf.ponee.io [163.172.22.183]) by cust-asf2.ponee.io (Postfix) with ESMTP id 4E73A200B6B for ; Thu, 25 Aug 2016 11:33:22 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 4D103160A94; Thu, 25 Aug 2016 09:33:22 +0000 (UTC) Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [140.211.11.3]) by cust-asf.ponee.io (Postfix) with SMTP id BB2BE160A93 for ; Thu, 25 Aug 2016 11:33:21 +0200 (CEST) Received: (qmail 97211 invoked by uid 500); 25 Aug 2016 09:33:20 -0000 Mailing-List: contact hdfs-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list hdfs-issues@hadoop.apache.org Received: (qmail 97196 invoked by uid 99); 25 Aug 2016 09:33:20 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Thu, 25 Aug 2016 09:33:20 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id BEE292C0151 for ; Thu, 25 Aug 2016 09:33:20 +0000 (UTC) Date: Thu, 25 Aug 2016 09:33:20 +0000 (UTC) From: "Kai Zheng (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Updated] (HDFS-8901) Use ByteBuffer in striping positional read MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Thu, 25 Aug 2016 09:33:22 -0000 [ https://issues.apache.org/jira/browse/HDFS-8901?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Kai Zheng updated HDFS-8901: ---------------------------- Assignee: SammiChen (was: Youwei Wang) > Use ByteBuffer in striping positional read > ------------------------------------------ > > Key: HDFS-8901 > URL: https://issues.apache.org/jira/browse/HDFS-8901 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Kai Zheng > Assignee: SammiChen > Attachments: HDFS-8901-v10.patch, HDFS-8901-v2.patch, HDFS-8901-v3.patch, HDFS-8901-v4.patch, HDFS-8901-v5.patch, HDFS-8901-v6.patch, HDFS-8901-v7.patch, HDFS-8901-v8.patch, HDFS-8901-v9.patch, HDFS-8901.v11.patch, HDFS-8901.v12.patch, HDFS-8901.v13.patch, HDFS-8901.v14.patch, initial-poc.patch > > > Native erasure coder prefers to direct ByteBuffer for performance consideration. To prepare for it, this change uses ByteBuffer through the codes in implementing striping position read. It will also fix avoiding unnecessary data copying between striping read chunk buffers and decode input buffers. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: hdfs-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: hdfs-issues-help@hadoop.apache.org