[jira] [Commented] (HDFS-8492) DN should notify NN when client requests a missing block

["Hadoop QA (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HDFS-8492?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14952921#comment-14952921 ] 

Hadoop QA commented on HDFS-8492:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  20m 25s | 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 |   8m 49s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  13m  5s | There were no new javadoc warning messages. |
| {color:red}-1{color} | release audit |   0m 24s | The applied patch generated 1 release audit warnings. |
| {color:red}-1{color} | checkstyle |   1m 41s | The applied patch generated  1 new checkstyle issues (total was 167, now 166). |
| {color:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace. |
| {color:green}+1{color} | install |   1m 48s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 39s | 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 |   3m 34s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 165m  3s | Tests failed in hadoop-hdfs. |
| | | 218m 19s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.fs.TestFcHdfsSetUMask |
|   | hadoop.hdfs.TestRecoverStripedFile |
|   | hadoop.hdfs.TestLeaseRecovery2 |
| Timed out tests | org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer |
|   | org.apache.hadoop.hdfs.server.mover.TestStorageMover |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12766074/HDFS-8492.01.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 049c6e8 |
| Release Audit | https://builds.apache.org/job/PreCommit-HDFS-Build/12930/artifact/patchprocess/patchReleaseAuditProblems.txt |
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/12930/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt |
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12930/artifact/patchprocess/testrun_hadoop-hdfs.txt |
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12930/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf901.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/12930/console |


This message was automatically generated.

> DN should notify NN when client requests a missing block
> --------------------------------------------------------
>
>                 Key: HDFS-8492
>                 URL: https://issues.apache.org/jira/browse/HDFS-8492
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.0.0-alpha
>            Reporter: Daryn Sharp
>            Assignee: Walter Su
>         Attachments: HDFS-8492.01.patch
>
>
> If the DN has a block its volume map but not on-disk, it tells clients it's an invalid block id.  The NN is not informed of the missing block until either the bp slice scanner or the directory scanner detects the missing block.  DN should remove the replica from the volume map and inform the NN.



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