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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8287) DFSStripedOutputStream.writeChunk should not wait for writing parity
Date Thu, 20 Aug 2015 07:14:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8287?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14704416#comment-14704416
] 

Hadoop QA commented on HDFS-8287:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  16m 11s | Findbugs (version ) appears to be broken on
HDFS-7285. |
| {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 |   8m  0s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 56s | There were no new javadoc warning messages.
|
| {color:red}-1{color} | release audit |   0m 16s | The applied patch generated 1 release
audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 38s | 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 48s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 34s | The patch built with eclipse:eclipse.
|
| {color:red}-1{color} | findbugs |   3m 36s | The patch appears to introduce 7 new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m 23s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 158m 45s | Tests failed in hadoop-hdfs. |
| | | 203m 12s | |
\\
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs |
| Failed unit tests | hadoop.hdfs.server.namenode.TestFileLimit |
|   | hadoop.hdfs.TestDFSPermission |
|   | hadoop.hdfs.server.namenode.TestAddBlock |
|   | hadoop.hdfs.server.namenode.TestAclConfigFlag |
|   | hadoop.hdfs.shortcircuit.TestShortCircuitLocalRead |
|   | hadoop.hdfs.server.namenode.TestProcessCorruptBlocks |
|   | hadoop.hdfs.server.namenode.TestFSImageWithSnapshot |
|   | hadoop.hdfs.TestRead |
|   | hadoop.hdfs.server.namenode.TestFSNamesystemMBean |
| Timed out tests | org.apache.hadoop.hdfs.TestRecoverStripedFile |
|   | org.apache.hadoop.hdfs.tools.offlineImageViewer.TestOfflineImageViewerWithStripedBlocks
|
|   | org.apache.hadoop.hdfs.TestReadStripedFileWithMissingBlocks |
|   | org.apache.hadoop.hdfs.TestSafeModeWithStripedFile |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12751371/HDFS-8287-HDFS-7285.05.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | HDFS-7285 / b57c9a3 |
| Release Audit | https://builds.apache.org/job/PreCommit-HDFS-Build/12055/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/12055/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12055/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12055/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/12055/console |


This message was automatically generated.

> DFSStripedOutputStream.writeChunk should not wait for writing parity 
> ---------------------------------------------------------------------
>
>                 Key: HDFS-8287
>                 URL: https://issues.apache.org/jira/browse/HDFS-8287
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs-client
>            Reporter: Tsz Wo Nicholas Sze
>            Assignee: Kai Sasaki
>         Attachments: HDFS-8287-HDFS-7285.00.patch, HDFS-8287-HDFS-7285.01.patch, HDFS-8287-HDFS-7285.02.patch,
HDFS-8287-HDFS-7285.03.patch, HDFS-8287-HDFS-7285.04.patch, HDFS-8287-HDFS-7285.05.patch
>
>
> When a stripping cell is full, writeChunk computes and generates parity packets.  It
sequentially calls waitAndQueuePacket so that user client cannot continue to write data until
it finishes.
> We should allow user client to continue writing instead but not blocking it when writing
parity.



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