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https://issues.apache.org/jira/browse/HDFS-9164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14977538#comment-14977538
]
Hadoop QA commented on HDFS-9164:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch | 18m 32s | Pre-patch trunk has 2 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 57s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 11m 35s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 24s | The applied patch does
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle | 0m 24s | The applied patch generated 5
new checkstyle issues (total was 41, now 45). |
| {color:green}+1{color} | whitespace | 0m 0s | The patch has no lines that
end in whitespace. |
| {color:green}+1{color} | install | 1m 41s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 36s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 0m 59s | The patch does not introduce
any new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | native | 3m 41s | Pre-build of native portion |
| {color:green}+1{color} | hdfs tests | 2m 1s | Tests passed in
hadoop-hdfs-nfs. |
| | | 48m 53s | |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12764037/HDFS-9164.1.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 68ce93c |
| Pre-patch Findbugs warnings |
https://builds.apache.org/job/PreCommit-HDFS-Build/13237/artifact/patchprocess/trunkFindbugsWarningshadoop-hdfs-nfs.html
|
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/13237/artifact/patchprocess/diffcheckstylehadoop-hdfs-nfs.txt
|
| hadoop-hdfs-nfs test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/13237/artifact/patchprocess/testrun_hadoop-hdfs-nfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/13237/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf909.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/13237/console |
This message was automatically generated.
> hdfs-nfs connector fails on O_TRUNC
> -----------------------------------
>
> Key: HDFS-9164
> URL: https://issues.apache.org/jira/browse/HDFS-9164
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: HDFS
> Reporter: Constantine Peresypkin
> Assignee: Constantine Peresypkin
> Attachments: HDFS-9164.1.patch
>
>
> Linux NFS client will issue `open(.. O_TRUNC); write()` when overwriting a
> file that's in nfs client cache (to not evict the inode, probably). Which
> will spectacularly fail on hdfs-nfs with I/O error.
> Example:
> $ cp /some/file /to/hdfs/mount/
> $ cp /some/file /to/hdfs/mount/
> I/O error
> The first write will pass if the file is not in cache, the second one will
> always fail.
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