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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9308) Add truncateMeta() to MiniDFSCluster
Date Tue, 27 Oct 2015 02:30:27 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14975564#comment-14975564
] 

Hadoop QA commented on HDFS-9308:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |   9m 34s | 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 2 new
or modified test files. |
| {color:green}+1{color} | javac |   9m 11s | There were no new javac warning messages. |
| {color:green}+1{color} | release audit |   0m 24s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   1m 42s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 43s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 37s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   2m 47s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   1m 10s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests |  54m 50s | Tests failed in hadoop-hdfs. |
| | |  82m  2s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.server.blockmanagement.TestNodeCount |
|   | hadoop.hdfs.TestEncryptionZones |
|   | hadoop.hdfs.server.datanode.TestBPOfferService |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12768823/HDFS-9308.001.patch
|
| Optional Tests | javac unit findbugs checkstyle |
| git revision | trunk / 56e4f62 |
| Pre-patch Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/13206/artifact/patchprocess/trunkFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/13206/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/13206/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf900.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/13206/console |


This message was automatically generated.

> Add truncateMeta() to MiniDFSCluster
> ------------------------------------
>
>                 Key: HDFS-9308
>                 URL: https://issues.apache.org/jira/browse/HDFS-9308
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: HDFS, test
>    Affects Versions: 2.7.1
>            Reporter: Tony Wu
>            Assignee: Tony Wu
>            Priority: Minor
>         Attachments: HDFS-9308.001.patch
>
>
> HDFS-9188 introduced {{corruptMeta()}} method to make corrupting the metadata file filesystem
agnostic. There should also be a {{truncateMeta()}} method in MiniDFSCluster to allow truncation
of metadata files on DataNodes without writing code that's specific to underling file system.
{{FsDatasetTestUtils#truncateMeta()}} is already implemented by HDFS-9188 and cam be exposed
easily in {{MiniDFSCluster}}.
> This will be useful for tests such as {{TestLeaseRecovery#testBlockRecoveryWithLessMetafile}}.



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