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 425AC200C85 for ; Tue, 16 May 2017 06:47:09 +0200 (CEST) Received: by cust-asf.ponee.io (Postfix) id 40E9F160BC2; Tue, 16 May 2017 04:47:09 +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 87793160BCE for ; Tue, 16 May 2017 06:47:08 +0200 (CEST) Received: (qmail 15508 invoked by uid 500); 16 May 2017 04:47:07 -0000 Mailing-List: contact common-issues-help@hadoop.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Delivered-To: mailing list common-issues@hadoop.apache.org Received: (qmail 15405 invoked by uid 99); 16 May 2017 04:47:07 -0000 Received: from pnap-us-west-generic-nat.apache.org (HELO spamd2-us-west.apache.org) (209.188.14.142) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 16 May 2017 04:47:07 +0000 Received: from localhost (localhost [127.0.0.1]) by spamd2-us-west.apache.org (ASF Mail Server at spamd2-us-west.apache.org) with ESMTP id D1C621A7A82 for ; Tue, 16 May 2017 04:47:06 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at spamd2-us-west.apache.org X-Spam-Flag: NO X-Spam-Score: -99.202 X-Spam-Level: X-Spam-Status: No, score=-99.202 tagged_above=-999 required=6.31 tests=[KAM_ASCII_DIVIDERS=0.8, RP_MATCHES_RCVD=-0.001, SPF_PASS=-0.001, USER_IN_WHITELIST=-100] autolearn=disabled Received: from mx1-lw-eu.apache.org ([10.40.0.8]) by localhost (spamd2-us-west.apache.org [10.40.0.9]) (amavisd-new, port 10024) with ESMTP id HKz27sgIdClx for ; Tue, 16 May 2017 04:47:06 +0000 (UTC) Received: from mailrelay1-us-west.apache.org (mailrelay1-us-west.apache.org [209.188.14.139]) by mx1-lw-eu.apache.org (ASF Mail Server at mx1-lw-eu.apache.org) with ESMTP id 781EF5FB40 for ; Tue, 16 May 2017 04:47:05 +0000 (UTC) Received: from jira-lw-us.apache.org (unknown [207.244.88.139]) by mailrelay1-us-west.apache.org (ASF Mail Server at mailrelay1-us-west.apache.org) with ESMTP id 98003E0D4D for ; Tue, 16 May 2017 04:47:04 +0000 (UTC) Received: from jira-lw-us.apache.org (localhost [127.0.0.1]) by jira-lw-us.apache.org (ASF Mail Server at jira-lw-us.apache.org) with ESMTP id 2B4212193F for ; Tue, 16 May 2017 04:47:04 +0000 (UTC) Date: Tue, 16 May 2017 04:47:04 +0000 (UTC) From: "Yongjun Zhang (JIRA)" To: common-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HADOOP-14407) DistCp - Introduce a configurable copy buffer size MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-JIRA-FingerPrint: 30527f35849b9dde25b450d4833f0394 archived-at: Tue, 16 May 2017 04:47:09 -0000 [ https://issues.apache.org/jira/browse/HADOOP-14407?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16011736#comment-16011736 ] Yongjun Zhang commented on HADOOP-14407: ---------------------------------------- Hi [~omkarksa], Sorry for the delayed review, would you please update the patch to fix the issue reported here https://issues.apache.org/jira/browse/HADOOP-14407?focusedCommentId=16011312&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16011312 Thanks. > DistCp - Introduce a configurable copy buffer size > -------------------------------------------------- > > Key: HADOOP-14407 > URL: https://issues.apache.org/jira/browse/HADOOP-14407 > Project: Hadoop Common > Issue Type: Improvement > Components: tools/distcp > Affects Versions: 2.9.0 > Reporter: Omkar Aradhya K S > Assignee: Omkar Aradhya K S > Fix For: 2.9.0, 3.0.0-alpha3 > > Attachments: HADOOP-14407.001.patch > > > Currently, the RetriableFileCopyCommand has a fixed copy buffer size of just 8KB. We have noticed in our performance tests that with bigger buffer sizes we saw upto ~3x performance boost. Hence, making the copy buffer size a configurable setting via the new parameter . -- This message was sent by Atlassian JIRA (v6.3.15#6346) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org For additional commands, e-mail: common-issues-help@hadoop.apache.org