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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7284) Add more debug info to BlockInfoUnderConstruction#setGenerationStampAndVerifyReplicas
Date Thu, 24 Sep 2015 16:19:05 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14906576#comment-14906576
] 

Hadoop QA commented on HDFS-7284:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  15m 47s | Findbugs (version ) appears to be broken on
trunk. |
| {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 45s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  10m  1s | 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:green}+1{color} | checkstyle |   0m 36s | 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 36s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 33s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   2m 30s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m  7s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 137m 12s | Tests failed in hadoop-hdfs. |
| | | 179m 34s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.web.TestWebHDFSOAuth2 |
| Timed out tests | org.apache.hadoop.hdfs.server.namenode.TestFSImageWithAcl |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12762053/HDFS-7284.001.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / e52bc69 |
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12659/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12659/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/12659/console |


This message was automatically generated.

> Add more debug info to BlockInfoUnderConstruction#setGenerationStampAndVerifyReplicas
> -------------------------------------------------------------------------------------
>
>                 Key: HDFS-7284
>                 URL: https://issues.apache.org/jira/browse/HDFS-7284
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: namenode
>    Affects Versions: 2.5.1
>            Reporter: Hu Liu,
>            Assignee: Wei-Chiu Chuang
>         Attachments: HDFS-7284.001.patch
>
>
> When I was looking at some replica loss issue, I got the following info from log
> {code}
> 2014-10-13 01:54:53,104 INFO BlockStateChange: BLOCK* Removing stale replica from location
x.x.x.x
> {code}
> I could just know that a replica is removed, but I don't know which block and its timestamp.
I need to know the id and timestamp of the block from the log file.
> So it's better to add more info including block id and timestamp to the code snippet
> {code}
>     for (ReplicaUnderConstruction r : replicas) {
>       if (genStamp != r.getGenerationStamp()) {
>         r.getExpectedLocation().removeBlock(this);
>         NameNode.blockStateChangeLog.info("BLOCK* Removing stale replica "
>             + "from location: " + r.getExpectedLocation());
>       }
>     }
> {code}



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