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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8716) introduce a new config specifically for safe mode block count
Date Wed, 15 Jul 2015 06:16:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14627589#comment-14627589
] 

Hadoop QA commented on HDFS-8716:
---------------------------------

\\
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  17m  3s | Pre-patch trunk compilation is healthy. |
| {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 37s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 44s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does not increase
the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   1m 20s | The applied patch generated  1 new checkstyle
issues (total was 676, now 676). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 20s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   2m 28s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m  4s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 160m 56s | Tests failed in hadoop-hdfs. |
| | | 204m 32s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.TestAppendSnapshotTruncate |
|   | hadoop.hdfs.server.namenode.ha.TestDNFencing |
|   | hadoop.hdfs.TestDistributedFileSystem |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12745376/HDFS-8716.7.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 0a16ee6 |
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/11708/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11708/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11708/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/11708/console |


This message was automatically generated.

> introduce a new config specifically for safe mode block count
> -------------------------------------------------------------
>
>                 Key: HDFS-8716
>                 URL: https://issues.apache.org/jira/browse/HDFS-8716
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Chang Li
>            Assignee: Chang Li
>         Attachments: HDFS-8716.1.patch, HDFS-8716.2.patch, HDFS-8716.3.patch, HDFS-8716.4.patch,
HDFS-8716.5.patch, HDFS-8716.6.patch, HDFS-8716.7.patch, HDFS-8716.7.patch
>
>
> During the start up, namenode waits for n replicas of each block to be reported by datanodes
before exiting the safe mode. Currently n is tied to the min replicas config. We could set
min replicas to more than one but we might want to exit safe mode as soon as each block has
one replica reported. This can be worked out by introducing a new config variable for safe
mode block count



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