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https://issues.apache.org/jira/browse/HDFS-11352?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830733#comment-15830733
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Hadoop QA commented on HDFS-11352:
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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
13s{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:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m
0s{color} | {color:red} The patch doesn't appear to include any new or modified
tests. Please justify why no new tests are needed for this patch. Also please
list what manual steps were performed to verify this patch. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 8m
8s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
5s{color} | {color:green} branch-2.7 passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 1m
5s{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
29s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 1m
2s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
17s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
2s{color} | {color:green} branch-2.7 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {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} 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
54s{color} | {color:green} the patch passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
58s{color} | {color:green} the patch passed with JDK v1.7.0_121 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
58s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
26s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
58s{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 1266 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
33s{color} | {color:red} The patch 70 line(s) with tabs. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 3m
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
55s{color} | {color:green} the patch passed with JDK v1.8.0_121 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m
42s{color} | {color:green} the patch passed with JDK v1.7.0_121 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 46m 4s{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
22s{color} | {color:red} The patch generated 3 ASF License warnings. {color} |
| {color:black}{color} | {color:black} {color} | {color:black}140m 9s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_121 Failed junit tests |
hadoop.hdfs.server.balancer.TestBalancerWithMultipleNameNodes |
| | hadoop.hdfs.server.namenode.snapshot.TestRenameWithSnapshots |
| | hadoop.hdfs.server.datanode.TestBlockReplacement |
| JDK v1.7.0_121 Failed junit tests |
hadoop.hdfs.server.namenode.snapshot.TestRenameWithSnapshots |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:c420dfe |
| JIRA Issue | HDFS-11352 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12848350/HDFS-11352-branch-2.7.000.patch
|
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux 70ac25b542b2 3.13.0-95-generic #142-Ubuntu SMP Fri Aug 12
17:00:09 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 / 1cf20b3 |
| 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 |
| whitespace |
https://builds.apache.org/job/PreCommit-HDFS-Build/18213/artifact/patchprocess/whitespace-eol.txt
|
| whitespace |
https://builds.apache.org/job/PreCommit-HDFS-Build/18213/artifact/patchprocess/whitespace-tabs.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/18213/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/18213/testReport/ |
| asflicense |
https://builds.apache.org/job/PreCommit-HDFS-Build/18213/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/18213/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> Potential deadlock in NN when failing over
> ------------------------------------------
>
> Key: HDFS-11352
> URL: https://issues.apache.org/jira/browse/HDFS-11352
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.7.4, 2.6.6
> Reporter: Erik Krogen
> Assignee: Erik Krogen
> Labels: high-availability
> Attachments: HDFS-11352-branch-2.7.000.patch
>
>
> HDFS-11180 fixed a general class of deadlock that can occur when failing over
> between the MetricsSystemImpl and FSEditLog (see comments on that JIRA for
> more details). In trunk and branch-2/branch-2.8 this fix was successful by
> making the metrics calls not synchronize on FSEditLog.
> In branch-2.6 and branch-2.7 there is one more method,
> {{FSNamesystem#getTransactionsSinceLastCheckpoint}}, which still requires the
> lock on FSEditLog and thus can result in the same deadlock scenario. This can
> be seen by running {{TestFSNamesystemMBean#testWithFSEditLogLock}} _with the
> patch in HDFS-11290_ on either of these branches (it fails currently).
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