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 4902E18FBE for ; Tue, 4 Aug 2015 22:49:05 +0000 (UTC) Received: (qmail 32030 invoked by uid 500); 4 Aug 2015 22:49:05 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 31969 invoked by uid 500); 4 Aug 2015 22:49:05 -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 31901 invoked by uid 99); 4 Aug 2015 22:49:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 04 Aug 2015 22:49:05 +0000 Date: Tue, 4 Aug 2015 22:49:04 +0000 (UTC) From: "Zhe Zhang (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-8804) Erasure Coding: use DirectBufferPool in DFSStripedInputStream for buffer allocation 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-8804?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14654496#comment-14654496 ] Zhe Zhang commented on HDFS-8804: --------------------------------- Thanks Jing, sounds good to me. I'll try to do a follow-on to add some more checking in how {{StripedBlockUtil}} allocates {{buf}} to chunks. > Erasure Coding: use DirectBufferPool in DFSStripedInputStream for buffer allocation > ----------------------------------------------------------------------------------- > > Key: HDFS-8804 > URL: https://issues.apache.org/jira/browse/HDFS-8804 > Project: Hadoop HDFS > Issue Type: Sub-task > Reporter: Jing Zhao > Assignee: Jing Zhao > Fix For: HDFS-7285 > > Attachments: HDFS-8804.000.patch, HDFS-8804.001.patch > > > Currently we directly allocate direct ByteBuffer in DFSStripedInputstream for the stripe buffer and the buffers holding parity data. It's better to get ByteBuffer from DirectBufferPool. -- This message was sent by Atlassian JIRA (v6.3.4#6332)