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https://issues.apache.org/jira/browse/HDFS-9098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14964151#comment-14964151
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Hadoop QA commented on HDFS-9098:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch | 21m 0s | Pre-patch trunk has 1 extant
Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | @author | 0m 0s | The patch does not contain any
@author tags. |
| {color:green}+1{color} | tests included | 0m 0s | The patch appears to
include 1 new or modified test files. |
| {color:green}+1{color} | javac | 8m 9s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 10m 37s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 28s | The applied patch does
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle | 2m 46s | The applied patch generated 8
new checkstyle issues (total was 114, now 121). |
| {color:green}+1{color} | whitespace | 0m 1s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 1m 35s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 38s | The patch built with
eclipse:eclipse. |
| {color:red}-1{color} | findbugs | 4m 40s | The patch appears to introduce 2
new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | native | 3m 15s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 0m 29s | Tests failed in hadoop-hdfs. |
| {color:green}+1{color} | hdfs tests | 0m 28s | Tests passed in
hadoop-hdfs-client. |
| | | 54m 11s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-client |
| Failed build | hadoop-hdfs |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12767477/HDFS-9098.wip.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 5068a25 |
| Pre-patch Findbugs warnings |
https://builds.apache.org/job/PreCommit-HDFS-Build/13056/artifact/patchprocess/trunkFindbugsWarningshadoop-hdfs.html
|
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/13056/artifact/patchprocess/diffcheckstylehadoop-hdfs-client.txt
|
| Findbugs warnings |
https://builds.apache.org/job/PreCommit-HDFS-Build/13056/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs-client.html
|
| hadoop-hdfs test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/13056/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| hadoop-hdfs-client test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/13056/artifact/patchprocess/testrun_hadoop-hdfs-client.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/13056/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf905.gq1.ygridcore.net 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 |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/13056/console |
This message was automatically generated.
> Erasure coding: emulate race conditions among striped streamers in write
> pipeline
> ---------------------------------------------------------------------------------
>
> Key: HDFS-9098
> URL: https://issues.apache.org/jira/browse/HDFS-9098
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: erasure-coding
> Affects Versions: 3.0.0
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Attachments: HDFS-9098.wip.patch
>
>
> Apparently the interleaving of events among {{StripedDataStreamer}}'s is very
> tricky to handle. [~walter.k.su] and [~jingzhao] have discussed several race
> conditions under HDFS-9040.
> Let's use FaultInjector to emulate different combinations of interleaved
> events.
> In particular, we should consider inject delays in the following places:
> # {{Streamer#endBlock}}
> # {{Streamer#locateFollowingBlock}}
> # {{Streamer#updateBlockForPipeline}}
> # {{Streamer#updatePipeline}}
> # {{OutputStream#writeChunk}}
> # {{OutputStream#close}}
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