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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 Mon, 06 Jul 2015 22:52:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14615811#comment-14615811
] 

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:red}-1{color} | pre-patch |  18m 23s | 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:red}-1{color} | tests included |   0m  0s | The patch doesn't appear to include any
new or modified tests.  Please justify why no new tests are needed for this patch. Also please
list what manual steps were performed to verify this patch. |
| {color:green}+1{color} | javac |   7m 55s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m 21s | 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 14s | The applied patch generated  6 new checkstyle
issues (total was 676, now 681). |
| {color:red}-1{color} | whitespace |   0m  0s | The patch has 2  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 36s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   3m 17s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m 24s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 103m 15s | Tests failed in hadoop-hdfs. |
| | | 151m 24s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.TestDFSClientRetries |
|   | hadoop.hdfs.server.namenode.ha.TestHASafeMode |
| Timed out tests | org.apache.hadoop.hdfs.TestFileCreationClient |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12743782/HDFS-8716.1.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / fc92d3e |
| Pre-patch Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/11587/artifact/patchprocess/trunkFindbugsWarningshadoop-hdfs.html
|
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/11587/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/11587/artifact/patchprocess/whitespace.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11587/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11587/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.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/11587/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
>
>
> 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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