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 0603A18602 for ; Wed, 23 Mar 2016 11:24:27 +0000 (UTC) Received: (qmail 59194 invoked by uid 500); 23 Mar 2016 11:24:26 -0000 Delivered-To: apmail-hadoop-hdfs-issues-archive@hadoop.apache.org Received: (qmail 59113 invoked by uid 500); 23 Mar 2016 11:24:26 -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 58762 invoked by uid 99); 23 Mar 2016 11:24:26 -0000 Received: from arcas.apache.org (HELO arcas) (140.211.11.28) by apache.org (qpsmtpd/0.29) with ESMTP; Wed, 23 Mar 2016 11:24:26 +0000 Received: from arcas.apache.org (localhost [127.0.0.1]) by arcas (Postfix) with ESMTP id B89972C1F73 for ; Wed, 23 Mar 2016 11:24:25 +0000 (UTC) Date: Wed, 23 Mar 2016 11:24:25 +0000 (UTC) From: "Hadoop QA (JIRA)" To: hdfs-issues@hadoop.apache.org Message-ID: In-Reply-To: References: Subject: [jira] [Commented] (HDFS-9820) Improve distcp to support efficient restore to an earlier snapshot 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-9820?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15208273#comment-15208273 ] Hadoop QA commented on HDFS-9820: --------------------------------- | (x) *{color:red}-1 overall{color}* | \\ \\ || Vote || Subsystem || Runtime || Comment || | {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m 11s {color} | {color:blue} Docker mode activated. {color} | | {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m 0s {color} | {color:green} The patch does not contain any @author tags. {color} | | {color:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m 0s {color} | {color:green} The patch appears to include 2 new or modified test files. {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 7m 0s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 15s {color} | {color:green} trunk passed with JDK v1.8.0_74 {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 18s {color} | {color:green} trunk passed with JDK v1.7.0_95 {color} | | {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 15s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 23s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 13s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 27s {color} | {color:green} trunk passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 13s {color} | {color:green} trunk passed with JDK v1.8.0_74 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 15s {color} | {color:green} trunk passed with JDK v1.7.0_95 {color} | | {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 18s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 12s {color} | {color:green} the patch passed with JDK v1.8.0_74 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 12s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 14s {color} | {color:green} the patch passed with JDK v1.7.0_95 {color} | | {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 14s {color} | {color:green} the patch passed {color} | | {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 13s {color} | {color:red} hadoop-tools/hadoop-distcp: patch generated 9 new + 133 unchanged - 11 fixed = 142 total (was 144) {color} | | {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 20s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 10s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m 0s {color} | {color:green} Patch has no whitespace issues. {color} | | {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 0m 38s {color} | {color:green} the patch passed {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 10s {color} | {color:green} the patch passed with JDK v1.8.0_74 {color} | | {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m 12s {color} | {color:green} the patch passed with JDK v1.7.0_95 {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 8m 50s {color} | {color:red} hadoop-distcp in the patch failed with JDK v1.8.0_74. {color} | | {color:red}-1{color} | {color:red} unit {color} | {color:red} 8m 8s {color} | {color:red} hadoop-distcp in the patch failed with JDK v1.7.0_95. {color} | | {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 22s {color} | {color:green} Patch does not generate ASF License warnings. {color} | | {color:black}{color} | {color:black} {color} | {color:black} 30m 15s {color} | {color:black} {color} | \\ \\ || Reason || Tests || | JDK v1.8.0_74 Failed junit tests | hadoop.tools.TestOptionsParser | | JDK v1.7.0_95 Failed junit tests | hadoop.tools.TestOptionsParser | \\ \\ || Subsystem || Report/Notes || | Docker | Image:yetus/hadoop:fbe3e86 | | JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12794948/HDFS-9820.002.patch | | JIRA Issue | HDFS-9820 | | Optional Tests | asflicense compile javac javadoc mvninstall mvnsite unit findbugs checkstyle | | uname | Linux 7e359f0a9fc0 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux | | Build tool | maven | | Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh | | git revision | trunk / a107cee | | Default Java | 1.7.0_95 | | Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_74 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 | | findbugs | v3.0.0 | | checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/14906/artifact/patchprocess/diff-checkstyle-hadoop-tools_hadoop-distcp.txt | | unit | https://builds.apache.org/job/PreCommit-HDFS-Build/14906/artifact/patchprocess/patch-unit-hadoop-tools_hadoop-distcp-jdk1.8.0_74.txt | | unit | https://builds.apache.org/job/PreCommit-HDFS-Build/14906/artifact/patchprocess/patch-unit-hadoop-tools_hadoop-distcp-jdk1.7.0_95.txt | | unit test logs | https://builds.apache.org/job/PreCommit-HDFS-Build/14906/artifact/patchprocess/patch-unit-hadoop-tools_hadoop-distcp-jdk1.8.0_74.txt https://builds.apache.org/job/PreCommit-HDFS-Build/14906/artifact/patchprocess/patch-unit-hadoop-tools_hadoop-distcp-jdk1.7.0_95.txt | | JDK v1.7.0_95 Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/14906/testReport/ | | modules | C: hadoop-tools/hadoop-distcp U: hadoop-tools/hadoop-distcp | | Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/14906/console | | Powered by | Apache Yetus 0.2.0 http://yetus.apache.org | This message was automatically generated. > Improve distcp to support efficient restore to an earlier snapshot > ------------------------------------------------------------------ > > Key: HDFS-9820 > URL: https://issues.apache.org/jira/browse/HDFS-9820 > Project: Hadoop HDFS > Issue Type: New Feature > Components: distcp > Reporter: Yongjun Zhang > Assignee: Yongjun Zhang > Attachments: HDFS-9820.001.patch, HDFS-9820.002.patch > > > HDFS-4167 intends to restore HDFS to the most recent snapshot, and there are some complexity and challenges. > HDFS-7535 improved distcp performance by avoiding copying files that changed name since last backup. > On top of HDFS-7535, HDFS-8828 improved distcp performance when copying data from source to target cluster, by only copying changed files since last backup. The way it works is use snapshot diff to find out all files changed, and copy the changed files only. > See https://blog.cloudera.com/blog/2015/12/distcp-performance-improvements-in-apache-hadoop/ > This jira is to propose a variation of HDFS-8828, to find out the files changed in target cluster since last snapshot sx, and copy these from the source target's same snapshot sx, to restore target cluster to sx. > If a file/dir is > - renamed, rename it back > - created in target cluster, delete it > - modified, put it to the copy list > - run distcp with the copy list, copy from the source cluster's corresponding snapshot > This could be a new command line switch -rdiff in distcp. > HDFS-4167 would still be nice to have. It just seems to me that HDFS-9820 would hopefully be easier to implement. -- This message was sent by Atlassian JIRA (v6.3.4#6332)