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 6463D18ADA for ; Wed, 27 Apr 2016 01:48:13 +0000 (UTC) Received: (qmail 62784 invoked by uid 500); 27 Apr 2016 01:48:13 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 62734 invoked by uid 500); 27 Apr 2016 01:48:13 -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 62701 invoked by uid 99); 27 Apr 2016 01:48:13 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 27 Apr 2016 01:48:13 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id 05ADE2C1F5C for ; Wed, 27 Apr 2016 01:48:13 +0000 (UTC) Date: Wed, 27 Apr 2016 01:48:13 +0000 (UTC) From: "John Zhuge (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-10297) Increase default balance bandwidth and concurrent moves 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-10297?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15259368#comment-15259368 ] John Zhuge commented on HDFS-10297: ----------------------------------- [~andrew.wang], I uploaded a patch for branch-2.8, please merge. > Increase default balance bandwidth and concurrent moves > ------------------------------------------------------- > > Key: HDFS-10297 > URL: https://issues.apache.org/jira/browse/HDFS-10297 > Project: Hadoop HDFS > Issue Type: Improvement > Components: balancer & mover > Affects Versions: 2.6.0 > Reporter: John Zhuge > Assignee: John Zhuge > Priority: Minor > Labels: supportability > Fix For: 2.9.0 > > Attachments: HDFS-10297.001.patch, HDFS-10297.002.patch, HDFS-10297.003.branch-2.8.patch, HDFS-10297.003.patch > > > Adjust the default values to better support the current level of customer host and network configurations. > Increase the default for property {{dfs.datanode.balance.bandwidthPerSec}} from 1 to 10 MB. Apply to DN. 10 MB/s is about 10% of the GbE network. > Increase the default for property {{dfs.datanode.balance.max.concurrent.moves}} from 5 to 50. Apply to DN and Balancer. The default number of DN receiver threads is 4096. The default number of balancer mover threads is 1000. -- This message was sent by Atlassian JIRA (v6.3.4#6332)