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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9579) Provide bytes-read-by-network-distance metrics at FileSystem.Statistics level
Date Thu, 03 Mar 2016 02:11:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15176990#comment-15176990
] 

Hadoop QA commented on HDFS-9579:
---------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| 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 6 new or modified test files. {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 15s {color} | {color:blue}
Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 35s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 44s {color} |
{color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 40s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 1m 11s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 28s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 40s {color}
| {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 5m 12s {color} |
{color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 17s {color} |
{color:green} trunk passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 15s {color} |
{color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 14s {color} | {color:blue}
Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 1m 59s {color}
| {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m 46s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 5m 46s {color} | {color:green}
the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m 45s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m 45s {color} | {color:green}
the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 1m 9s {color} | {color:red}
root: patch generated 4 new + 518 unchanged - 9 fixed = 522 total (was 527) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 2m 27s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 41s {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} 5m 55s {color} |
{color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 2m 20s {color} |
{color:green} the patch passed with JDK v1.8.0_72 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 3m 13s {color} |
{color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m 26s {color} | {color:green}
hadoop-common in the patch passed with JDK v1.8.0_72. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 0m 50s {color} | {color:green}
hadoop-hdfs-client in the patch passed with JDK v1.8.0_72. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 53m 27s {color} | {color:red}
hadoop-hdfs in the patch failed with JDK v1.8.0_72. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 7m 8s {color} | {color:red}
hadoop-common in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 1m 0s {color} | {color:green}
hadoop-hdfs-client in the patch passed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 53m 9s {color} | {color:green}
hadoop-hdfs in the patch passed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m 26s {color}
| {color:green} Patch does not generate ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black} 190m 1s {color} | {color:black}
{color} |
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|| Reason || Tests ||
| JDK v1.8.0_72 Failed junit tests | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
|   | hadoop.hdfs.TestDFSUpgradeFromImage |
| JDK v1.7.0_95 Failed junit tests | hadoop.security.ssl.TestReloadingX509TrustManager |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12791048/HDFS-9579-8.patch
|
| JIRA Issue | HDFS-9579 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  unit  findbugs
 checkstyle  |
| uname | Linux 269a02d9194b 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 / 67880cc |
| Default Java | 1.7.0_95 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_72 /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95
|
| findbugs | v3.0.0 |
| checkstyle | https://builds.apache.org/job/PreCommit-HDFS-Build/14697/artifact/patchprocess/diff-checkstyle-root.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/14697/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_72.txt
|
| unit | https://builds.apache.org/job/PreCommit-HDFS-Build/14697/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| unit test logs |  https://builds.apache.org/job/PreCommit-HDFS-Build/14697/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_72.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/14697/artifact/patchprocess/patch-unit-hadoop-common-project_hadoop-common-jdk1.7.0_95.txt
|
| JDK v1.7.0_95  Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/14697/testReport/
|
| modules | C:  hadoop-common-project/hadoop-common   hadoop-hdfs-project/hadoop-hdfs-client
  hadoop-hdfs-project/hadoop-hdfs  U: . |
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/14697/console |
| Powered by | Apache Yetus 0.3.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Provide bytes-read-by-network-distance metrics at FileSystem.Statistics level
> -----------------------------------------------------------------------------
>
>                 Key: HDFS-9579
>                 URL: https://issues.apache.org/jira/browse/HDFS-9579
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Ming Ma
>            Assignee: Ming Ma
>         Attachments: HDFS-9579-2.patch, HDFS-9579-3.patch, HDFS-9579-4.patch, HDFS-9579-5.patch,
HDFS-9579-6.patch, HDFS-9579-7.patch, HDFS-9579-8.patch, HDFS-9579.patch, MR job counters.png
>
>
> For cross DC distcp or other applications, it becomes useful to have insight as to the
traffic volume for each network distance to distinguish cross-DC traffic, local-DC-remote-rack,
etc.
> FileSystem's existing {{bytesRead}} metrics tracks all the bytes read. To provide additional
metrics for each network distance, we can add additional metrics to FileSystem level and have
{{DFSInputStream}} update the value based on the network distance between client and the datanode.
> {{DFSClient}} will resolve client machine's network location as part of its initialization.
It doesn't need to resolve datanode's network location for each read as {{DatanodeInfo}} already
has the info.
> There are existing HDFS specific metrics such as {{ReadStatistics}} and {{DFSHedgedReadMetrics}}.
But these metrics are only accessible via {{DFSClient}} or {{DFSInputStream}}. Not something
that application framework such as MR and Tez can get to. That is the benefit of storing these
new metrics in FileSystem.Statistics.
> This jira only includes metrics generation by HDFS. The consumption of these metrics
at MR and Tez will be tracked by separated jiras.
> We can add similar metrics for HDFS write scenario later if it is necessary.



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