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https://issues.apache.org/jira/browse/HDFS-11583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15950715#comment-15950715
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Hadoop QA commented on HDFS-11583:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 12m
14s{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 1 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
10s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
58s{color} | {color:green} branch-2.7 passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
59s{color} | {color:green} branch-2.7 passed with JDK v1.7.0_121 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
25s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
57s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
14s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m
53s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
57s{color} | {color:green} branch-2.7 passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
45s{color} | {color:green} branch-2.7 passed with JDK v1.7.0_121 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
51s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
55s{color} | {color:green} the patch passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
55s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
57s{color} | {color:green} the patch passed with JDK v1.7.0_121 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
57s{color} | {color:green} the patch passed {color} |
| {color:orange}-0{color} | {color:orange} checkstyle {color} | {color:orange}
0m 21s{color} | {color:orange} hadoop-hdfs-project/hadoop-hdfs: The patch
generated 2 new + 117 unchanged - 2 fixed = 119 total (was 119) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
12s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m
0s{color} | {color:red} The patch has 1298 line(s) that end in whitespace. Use
git apply --whitespace=fix <<patch_file>>. Refer
https://git-scm.com/docs/git-apply {color} |
| {color:red}-1{color} | {color:red} whitespace {color} | {color:red} 0m
34s{color} | {color:red} The patch 70 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
5s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
57s{color} | {color:green} the patch passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
43s{color} | {color:green} the patch passed with JDK v1.7.0_121 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 44m 52s{color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_121. {color} |
| {color:red}-1{color} | {color:red} asflicense {color} | {color:red} 0m
17s{color} | {color:red} The patch generated 3 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}133m 14s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_121 Failed junit tests | hadoop.hdfs.web.TestHttpsFileSystem |
| | hadoop.hdfs.server.namenode.snapshot.TestRenameWithSnapshots |
| JDK v1.7.0_121 Failed junit tests |
hadoop.hdfs.server.namenode.snapshot.TestOpenFilesWithSnapshot |
| | hadoop.hdfs.web.TestWebHDFS |
| | hadoop.hdfs.web.TestHttpsFileSystem |
| | hadoop.hdfs.server.namenode.snapshot.TestRenameWithSnapshots |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:c420dfe |
| JIRA Issue | HDFS-11583 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12861409/HDFS-11583-branch-2.7.001.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux f9d3fd4c66a6 3.13.0-106-generic #153-Ubuntu SMP Tue Dec 6
15:44:32 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | branch-2.7 / 79f7bfb |
| Default Java | 1.7.0_121 |
| Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_121
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_121 |
| findbugs | v3.0.0 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/18929/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
|
| whitespace |
https://builds.apache.org/job/PreCommit-HDFS-Build/18929/artifact/patchprocess/whitespace-eol.txt
|
| whitespace |
https://builds.apache.org/job/PreCommit-HDFS-Build/18929/artifact/patchprocess/whitespace-tabs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/18929/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_121.txt
|
| JDK v1.7.0_121 Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/18929/testReport/ |
| asflicense |
https://builds.apache.org/job/PreCommit-HDFS-Build/18929/artifact/patchprocess/patch-asflicense-problems.txt
|
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/18929/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Parent spans not initialized to NullScope for every DFSPacket
> -------------------------------------------------------------
>
> Key: HDFS-11583
> URL: https://issues.apache.org/jira/browse/HDFS-11583
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: tracing
> Affects Versions: 2.7.1
> Reporter: Karan Mehta
> Assignee: Masatake Iwasaki
> Attachments: HDFS-11583-branch-2.7.001.patch,
> HDFS-11583-branch-2.7.002.patch
>
>
> The issue was found while working with PHOENIX-3752.
> Each packet received by the {{run()}} method of {{DataStreamer}} class, uses
> the {{parents}} field of the {{DFSPacket}} to create a new {{dataStreamer}}
> span, which in turn creates a {{writeTo}} span as its child span. The parents
> field is initialized when the packet is added to the {{dataQueue}} and the
> value is initialized from the {{ThreadLocal}}. This is how HTrace handles
> spans.
> A {{TraceScope}} is created and initialized to {{NullScope}} before the loop
> which runs till the point when the stream is closed.
> Consider the following scenario, when the {{dataQueue}} contains multiple
> packets, only the first of which has a tracing enabled. The scope is
> initialized to the {{dataStreamer}} scope and a {{writeTo}} span is created
> as its child, which gets closed once the packet is sent out to a remote
> datanode. Before {{writeTo}} span is started, the {{dataStreamer}} scope is
> detached. So calling the close method on it doesn't do anything at the end of
> loop.
> The second iteration will be using the stale value of the {{scope}} variable
> with a DFSPacket on which tracing is not enabled. This results in generation
> of an orphan {{writeTo}} spans which are being delivered to the
> {{SpanReceiver}} as registered in the TraceFramework. This may result in
> unlimited number of spans being generated and sent out to receiver.
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