[
https://issues.apache.org/jira/browse/HDFS-8833?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14725317#comment-14725317
]
Hadoop QA commented on HDFS-8833:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch | 17m 25s | Findbugs (version 3.0.0)
appears to be broken on HDFS-7285. |
| {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 25 new or modified test files. |
| {color:green}+1{color} | javac | 7m 57s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 10m 11s | There were no new javadoc
warning messages. |
| {color:red}-1{color} | release audit | 0m 18s | The applied patch generated
1 release audit warnings. |
| {color:green}+1{color} | checkstyle | 2m 9s | There were no new checkstyle
issues. |
| {color:red}-1{color} | whitespace | 0m 32s | The patch has 4 line(s) that
end in whitespace. Use git apply --whitespace=fix. |
| {color:green}+1{color} | install | 1m 50s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 35s | The patch built with
eclipse:eclipse. |
| {color:red}-1{color} | findbugs | 4m 39s | The patch appears to introduce 4
new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | native | 3m 13s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 220m 47s | Tests failed in hadoop-hdfs. |
| {color:green}+1{color} | hdfs tests | 0m 30s | Tests passed in
hadoop-hdfs-client. |
| | | 270m 13s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs |
| Failed unit tests | hadoop.hdfs.TestReplaceDatanodeOnFailure |
| | hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
| | hadoop.hdfs.TestWriteStripedFileWithFailure |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12753480/HDFS-8833-HDFS-7285.03.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | HDFS-7285 / 164cbe6 |
| Pre-patch Findbugs warnings |
https://builds.apache.org/job/PreCommit-HDFS-Build/12226/artifact/patchprocess/HDFS-7285FindbugsWarningshadoop-hdfs-client.html
|
| Release Audit |
https://builds.apache.org/job/PreCommit-HDFS-Build/12226/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| whitespace |
https://builds.apache.org/job/PreCommit-HDFS-Build/12226/artifact/patchprocess/whitespace.txt
|
| Findbugs warnings |
https://builds.apache.org/job/PreCommit-HDFS-Build/12226/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/12226/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| hadoop-hdfs-client test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/12226/artifact/patchprocess/testrun_hadoop-hdfs-client.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/12226/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/12226/console |
This message was automatically generated.
> Erasure coding: store EC schema and cell size in INodeFile and eliminate
> notion of EC zones
> -------------------------------------------------------------------------------------------
>
> Key: HDFS-8833
> URL: https://issues.apache.org/jira/browse/HDFS-8833
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: HDFS-7285
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Attachments: HDFS-8833-HDFS-7285-merge.00.patch,
> HDFS-8833-HDFS-7285-merge.01.patch, HDFS-8833-HDFS-7285.02.patch,
> HDFS-8833-HDFS-7285.03.patch
>
>
> We have [discussed |
> https://issues.apache.org/jira/browse/HDFS-7285?focusedCommentId=14357754&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-14357754]
> storing EC schema with files instead of EC zones and recently revisited the
> discussion under HDFS-8059.
> As a recap, the _zone_ concept has severe limitations including renaming and
> nested configuration. Those limitations are valid in encryption for security
> reasons and it doesn't make sense to carry them over in EC.
> This JIRA aims to store EC schema and cell size on {{INodeFile}} level. For
> simplicity, we should first implement it as an xattr and consider memory
> optimizations (such as moving it to file header) as a follow-on. We should
> also disable changing EC policy on a non-empty file / dir in the first phase.
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