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https://issues.apache.org/jira/browse/HDFS-9890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15373855#comment-15373855
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Hadoop QA commented on HDFS-9890:
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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} 0m
28s{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
17s{color} | {color:green} HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m
10s{color} | {color:green} HDFS-8707 passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m
1s{color} | {color:green} HDFS-8707 passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
17s{color} | {color:green} HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s{color} | {color:green} HDFS-8707 passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 5m
58s{color} | {color:green} the patch passed with JDK v1.8.0_91 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 5m
58s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 5m
58s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 6m
5s{color} | {color:green} the patch passed with JDK v1.7.0_101 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green} 6m
5s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 6m
5s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m
13s{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
1s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 7m
34s{color} | {color:green} hadoop-hdfs-native-client in the patch passed with
JDK v1.7.0_101. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
20s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 51m 56s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:0cf5e66 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12817526/HDFS-9890.HDFS-8707.016.patch
|
| JIRA Issue | HDFS-9890 |
| Optional Tests | asflicense compile cc mvnsite javac unit |
| uname | Linux ea56ef349c75 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 | HDFS-8707 / d643d8c |
| Default Java | 1.7.0_101 |
| Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_91
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_101 |
| JDK v1.7.0_101 Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/16031/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs-native-client U:
hadoop-hdfs-project/hadoop-hdfs-native-client |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/16031/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT http://yetus.apache.org |
This message was automatically generated.
> libhdfs++: Add test suite to simulate network issues
> ----------------------------------------------------
>
> Key: HDFS-9890
> URL: https://issues.apache.org/jira/browse/HDFS-9890
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: hdfs-client
> Reporter: James Clampffer
> Assignee: Xiaowei Zhu
> Attachments: HDFS-9890.HDFS-8707.000.patch,
> HDFS-9890.HDFS-8707.001.patch, HDFS-9890.HDFS-8707.002.patch,
> HDFS-9890.HDFS-8707.003.patch, HDFS-9890.HDFS-8707.004.patch,
> HDFS-9890.HDFS-8707.005.patch, HDFS-9890.HDFS-8707.006.patch,
> HDFS-9890.HDFS-8707.007.patch, HDFS-9890.HDFS-8707.008.patch,
> HDFS-9890.HDFS-8707.009.patch, HDFS-9890.HDFS-8707.010.patch,
> HDFS-9890.HDFS-8707.011.patch, HDFS-9890.HDFS-8707.012.patch,
> HDFS-9890.HDFS-8707.012.patch, HDFS-9890.HDFS-8707.013.patch,
> HDFS-9890.HDFS-8707.013.patch, HDFS-9890.HDFS-8707.014.patch,
> HDFS-9890.HDFS-8707.015.patch, HDFS-9890.HDFS-8707.016.patch,
> HDFS-9890.HDFS-8707.016.patch, hs_err_pid26832.log, hs_err_pid4944.log
>
>
> I propose adding a test suite to simulate various network issues/failures in
> order to get good test coverage on some of the retry paths that aren't easy
> to hit in mock unit tests.
> At the moment the only things that hit the retry paths are the gmock unit
> tests. The gmock are only as good as their mock implementations which do a
> great job of simulating protocol correctness but not more complex
> interactions. They also can't really simulate the types of lock contention
> and subtle memory stomps that show up while doing hundreds or thousands of
> concurrent reads. We should add a new minidfscluster test that focuses on
> heavy read/seek load and then randomly convert error codes returned by
> network functions into errors.
> List of things to simulate(while heavily loaded), roughly in order of how
> badly I think they need to be tested at the moment:
> -Rpc connection disconnect
> -Rpc connection slowed down enough to cause a timeout and trigger retry
> -DN connection disconnect
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