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 7845E10BCA for ; Tue, 1 Apr 2014 11:34:27 +0000 (UTC) Received: (qmail 33831 invoked by uid 500); 1 Apr 2014 11:34:26 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 33481 invoked by uid 500); 1 Apr 2014 11:34:24 -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 33288 invoked by uid 99); 1 Apr 2014 11:34:22 -0000 Received: from arcas.apache.org (HELO arcas.apache.org) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Tue, 01 Apr 2014 11:34:22 +0000 Date: Tue, 1 Apr 2014 11:34:22 +0000 (UTC) From: "Hadoop QA (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-5274) Add Tracing to HDFS 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-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13956409#comment-13956409 ] Hadoop QA commented on HDFS-5274: --------------------------------- {color:green}+1 overall{color}. Here are the results of testing the latest attachment http://issues.apache.org/jira/secure/attachment/12638024/HDFS-5274-15.patch against trunk revision . {color:green}+1 @author{color}. The patch does not contain any @author tags. {color:green}+1 tests included{color}. The patch appears to include 4 new or modified test files. {color:green}+1 javac{color}. The applied patch does not increase the total number of javac compiler warnings. {color:green}+1 javadoc{color}. There were no new javadoc warning messages. {color:green}+1 eclipse:eclipse{color}. The patch built with eclipse:eclipse. {color:green}+1 findbugs{color}. The patch does not introduce any new Findbugs (version 1.3.9) warnings. {color:green}+1 release audit{color}. The applied patch does not increase the total number of release audit warnings. {color:green}+1 core tests{color}. The patch passed unit tests in hadoop-common-project/hadoop-common hadoop-hdfs-project/hadoop-hdfs. {color:green}+1 contrib tests{color}. The patch passed contrib unit tests. Test results: https://builds.apache.org/job/PreCommit-HDFS-Build/6566//testReport/ Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/6566//console This message is automatically generated. > Add Tracing to HDFS > ------------------- > > Key: HDFS-5274 > URL: https://issues.apache.org/jira/browse/HDFS-5274 > Project: Hadoop HDFS > Issue Type: New Feature > Components: datanode, namenode > Affects Versions: 2.1.1-beta > Reporter: Elliott Clark > Assignee: Elliott Clark > Attachments: 3node_get_200mb.png, 3node_put_200mb.png, 3node_put_200mb.png, HDFS-5274-0.patch, HDFS-5274-1.patch, HDFS-5274-10.patch, HDFS-5274-11.txt, HDFS-5274-12.patch, HDFS-5274-13.patch, HDFS-5274-14.patch, HDFS-5274-15.patch, HDFS-5274-2.patch, HDFS-5274-3.patch, HDFS-5274-4.patch, HDFS-5274-5.patch, HDFS-5274-6.patch, HDFS-5274-7.patch, HDFS-5274-8.patch, HDFS-5274-8.patch, HDFS-5274-9.patch, Zipkin Trace a06e941b0172ec73.png, Zipkin Trace d0f0d66b8a258a69.png, ss-5274v8-get.png, ss-5274v8-put.png > > > Since Google's Dapper paper has shown the benefits of tracing for a large distributed system, it seems like a good time to add tracing to HDFS. HBase has added tracing using HTrace. I propose that the same can be done within HDFS. -- This message was sent by Atlassian JIRA (v6.2#6252)