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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8681) BlockScanner is incorrectly disabled by default
Date Sun, 28 Jun 2015 20:09:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8681?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14604878#comment-14604878
] 

Hadoop QA commented on HDFS-8681:
---------------------------------

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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 46s | 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 |   7m 30s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 34s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 23s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   2m 16s | The applied patch generated  1 new checkstyle
issues (total was 427, now 428). |
| {color:red}-1{color} | whitespace |   0m  1s | The patch has 1  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 33s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m 20s | The patch does not introduce any 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 | 162m  4s | Tests failed in hadoop-hdfs. |
| | | 208m 18s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.server.namenode.TestFileTruncate |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12742399/HDFS-8681.04.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / b543d1a |
| Pre-patch Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/11521/artifact/patchprocess/trunkFindbugsWarningshadoop-hdfs.html
|
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/11521/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/11521/artifact/patchprocess/whitespace.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11521/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11521/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/11521/console |


This message was automatically generated.

> BlockScanner is incorrectly disabled by default
> -----------------------------------------------
>
>                 Key: HDFS-8681
>                 URL: https://issues.apache.org/jira/browse/HDFS-8681
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: datanode
>    Affects Versions: 2.7.0
>            Reporter: Andrew Wang
>            Assignee: Arpit Agarwal
>            Priority: Blocker
>         Attachments: HDFS-8681.01.patch, HDFS-8681.02.patch, HDFS-8681.03.patch, HDFS-8681.04.patch
>
>
> This code is used to check whether the block scanner is enabled:
> {noformat}
>   public boolean isEnabled() {
>     return (conf.scanPeriodMs) > 0 && (conf.targetBytesPerSec > 0);
>   }
> {noformat}
> Unfortunately, when this was introduced, we did not change the default scan period's
value of 0, which means by default the BlockScanner is disabled.



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