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 BBA1911A02 for ; Fri, 18 Jul 2014 18:06:05 +0000 (UTC) Received: (qmail 62220 invoked by uid 500); 18 Jul 2014 18:06:05 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 62164 invoked by uid 500); 18 Jul 2014 18:06:05 -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 62152 invoked by uid 99); 18 Jul 2014 18:06:05 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 18 Jul 2014 18:06:05 +0000 Date: Fri, 18 Jul 2014 18:06:05 +0000 (UTC) From: "Hudson (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-6599) 2.4 addBlock is 10 to 20 times slower compared to 0.23 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-6599?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14066647#comment-14066647 ] Hudson commented on HDFS-6599: ------------------------------ FAILURE: Integrated in Hadoop-trunk-Commit #5915 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/5915/]) HDFS-6599. 2.4 addBlock is 10 to 20 times slower compared to 0.23 (daryn) (daryn: http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1611737) * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeInfo.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockPlacementPolicyDefault.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeManager.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/DatanodeStatistics.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/HeartbeatManager.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSClusterStats.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/blockmanagement/TestReplicationPolicyConsiderLoad.java * /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestNamenodeCapacityReport.java > 2.4 addBlock is 10 to 20 times slower compared to 0.23 > ------------------------------------------------------ > > Key: HDFS-6599 > URL: https://issues.apache.org/jira/browse/HDFS-6599 > Project: Hadoop HDFS > Issue Type: Bug > Affects Versions: 2.3.0, 2.4.0 > Reporter: Kihwal Lee > Assignee: Daryn Sharp > Priority: Blocker > Fix For: 3.0.0, 2.5.0 > > Attachments: HDFS-6599.patch > > > From one of our busiest 0.23 clusters: > {panel} > "AddBlockAvgTime" : 0.9514711501719515 > "CreateAvgTime" : 1.7564162389174 > "CompleteAvgTime" : 1.3310406035056548 > "BlockReceivedAndDeletedAvgTime" : 0.661210005151392 > {panel} > From a not-so-busy 2.4 cluster: > {panel} > "AddBlockAvgTime" : 10.083333333333334 > "CreateAvgTime" : 1.0 > "CompleteAvgTime" : 1.1111111111111112 > "BlockReceivedAndDeletedAvgTime" : 0.07692307692307694 > {panel} > When the 2.4 cluster gets a moderate amount of write requests, the latency is terrible. E.g. addBlock goes upward of 60ms. -- This message was sent by Atlassian JIRA (v6.2#6252)