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 2C47818540 for ; Fri, 14 Aug 2015 13:58:50 +0000 (UTC) Received: (qmail 95513 invoked by uid 500); 14 Aug 2015 13:58:49 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 95467 invoked by uid 500); 14 Aug 2015 13:58:49 -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 95452 invoked by uid 99); 14 Aug 2015 13:58:49 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Fri, 14 Aug 2015 13:58:49 +0000 Date: Fri, 14 Aug 2015 13:58:49 +0000 (UTC) From: "Hudson (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-7213) processIncrementalBlockReport performance degradation 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-7213?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14697034#comment-14697034 ] Hudson commented on HDFS-7213: ------------------------------ FAILURE: Integrated in Hadoop-Mapreduce-trunk-Java8 #284 (See [https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Java8/284/]) HDFS-7213. processIncrementalBlockReport performance degradation. Contributed by Eric Payne. (vinayakumarb: rev d25cb8fe12d00faf3e8f3bfd23fd1b01981a340f) * hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt > processIncrementalBlockReport performance degradation > ----------------------------------------------------- > > Key: HDFS-7213 > URL: https://issues.apache.org/jira/browse/HDFS-7213 > Project: Hadoop HDFS > Issue Type: Bug > Components: namenode > Affects Versions: 2.4.0 > Reporter: Daryn Sharp > Assignee: Eric Payne > Priority: Critical > Fix For: 2.7.0, 2.6.1 > > Attachments: HDFS-7213.1412804753, HDFS-7213.1412806496.txt > > > {{BlockManager#processIncrementalBlockReport}} has a debug line that is missing a {{isDebugEnabled}} check. The write lock is being held. Coupled with the increase in incremental block reports from receiving blocks, under heavy load this log line noticeably degrades performance. -- This message was sent by Atlassian JIRA (v6.3.4#6332)