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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-7678) Erasure coding: DFSInputStream with decode functionality
Date Sat, 02 May 2015 08:40:08 GMT

    [ https://issues.apache.org/jira/browse/HDFS-7678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14525129#comment-14525129
] 

Hadoop QA commented on HDFS-7678:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  14m 47s | Pre-patch HDFS-7285 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 32s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 40s | There were no new javadoc warning messages.
|
| {color:red}-1{color} | release audit |   0m 14s | The applied patch generated 1 release
audit warnings. |
| {color:green}+1{color} | checkstyle |   0m 53s | There were no new checkstyle issues. |
| {color:green}+1{color} | whitespace |   0m  2s | 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 32s | The patch built with eclipse:eclipse.
|
| {color:red}-1{color} | findbugs |   3m 56s | The patch appears to introduce 10 new Findbugs
(version 2.0.3) warnings. |
| {color:green}+1{color} | native |   3m 13s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 229m  1s | Tests failed in hadoop-hdfs. |
| {color:green}+1{color} | hdfs tests |   0m 16s | Tests passed in hadoop-hdfs-client. |
| | | 271m 49s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs-client |
|  |  org.apache.hadoop.hdfs.protocol.LocatedStripedBlock.getBlockIndices() may expose internal
representation by returning LocatedStripedBlock.blockIndices  At LocatedStripedBlock.java:by
returning LocatedStripedBlock.blockIndices  At LocatedStripedBlock.java:[line 57] |
| FindBugs | module:hadoop-hdfs |
|  |  Inconsistent synchronization of org.apache.hadoop.hdfs.DFSOutputStream.streamer; locked
90% of time  Unsynchronized access at DFSOutputStream.java:90% of time  Unsynchronized access
at DFSOutputStream.java:[line 142] |
|  |  Switch statement found in org.apache.hadoop.hdfs.DFSStripedInputStream.fetchBlockByteRange(long,
long, long, byte[], int, Map) where default case is missing  At DFSStripedInputStream.java:long,
long, byte[], int, Map) where default case is missing  At DFSStripedInputStream.java:[lines
496-517] |
|  |  Class org.apache.hadoop.hdfs.DataStreamer$LastException is not derived from an Exception,
even though it is named as such  At DataStreamer.java:from an Exception, even though it is
named as such  At DataStreamer.java:[lines 177-201] |
|  |  Dead store to offSuccess in org.apache.hadoop.hdfs.StripedDataStreamer.endBlock()  At
StripedDataStreamer.java:org.apache.hadoop.hdfs.StripedDataStreamer.endBlock()  At StripedDataStreamer.java:[line
105] |
|  |  Possible null pointer dereference of arr$ in org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoStripedUnderConstruction.initializeBlockRecovery(long)
 Dereferenced at BlockInfoStripedUnderConstruction.java:arr$ in org.apache.hadoop.hdfs.server.blockmanagement.BlockInfoStripedUnderConstruction.initializeBlockRecovery(long)
 Dereferenced at BlockInfoStripedUnderConstruction.java:[line 206] |
|  |  Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.ErasureCodingZoneManager.createErasureCodingZone(String,
ECSchema):in org.apache.hadoop.hdfs.server.namenode.ErasureCodingZoneManager.createErasureCodingZone(String,
ECSchema): String.getBytes()  At ErasureCodingZoneManager.java:[line 117] |
|  |  Found reliance on default encoding in org.apache.hadoop.hdfs.server.namenode.ErasureCodingZoneManager.getECZoneInfo(INodesInPath):in
org.apache.hadoop.hdfs.server.namenode.ErasureCodingZoneManager.getECZoneInfo(INodesInPath):
new String(byte[])  At ErasureCodingZoneManager.java:[line 81] |
|  |  Result of integer multiplication cast to long in org.apache.hadoop.hdfs.util.StripedBlockUtil.constructInternalBlock(LocatedStripedBlock,
int, int, int, int)  At StripedBlockUtil.java:to long in org.apache.hadoop.hdfs.util.StripedBlockUtil.constructInternalBlock(LocatedStripedBlock,
int, int, int, int)  At StripedBlockUtil.java:[line 85] |
|  |  Result of integer multiplication cast to long in org.apache.hadoop.hdfs.util.StripedBlockUtil.planReadPortions(int,
int, long, int, int)  At StripedBlockUtil.java:to long in org.apache.hadoop.hdfs.util.StripedBlockUtil.planReadPortions(int,
int, long, int, int)  At StripedBlockUtil.java:[line 167] |
| Failed unit tests | hadoop.hdfs.server.namenode.TestDeleteRace |
|   | hadoop.hdfs.TestDFSOutputStream |
|   | hadoop.hdfs.server.namenode.TestAuditLogs |
|   | hadoop.hdfs.server.namenode.TestFileTruncate |
|   | hadoop.hdfs.server.datanode.fsdataset.impl.TestRbwSpaceReservation |
|   | hadoop.cli.TestHDFSCLI |
|   | hadoop.hdfs.TestClose |
|   | hadoop.hdfs.TestMultiThreadedHflush |
|   | hadoop.hdfs.TestQuota |
|   | hadoop.hdfs.TestCrcCorruption |
|   | hadoop.hdfs.TestFileLengthOnClusterRestart |
|   | hadoop.hdfs.server.datanode.TestBlockRecovery |
|   | hadoop.hdfs.TestDFSClientRetries |
| Timed out tests | org.apache.hadoop.hdfs.tools.offlineEditsViewer.TestOfflineEditsViewer
|
|   | org.apache.hadoop.hdfs.server.namenode.TestNamenodeRetryCache |
|   | org.apache.hadoop.hdfs.TestClientProtocolForPipelineRecovery |
|   | org.apache.hadoop.hdfs.TestDataTransferProtocol |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12729919/HDFS-7678-HDFS-7285.007.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | HDFS-7285 / 26770f8 |
| Release Audit | https://builds.apache.org/job/PreCommit-HDFS-Build/10518/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/10518/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs-client.html
|
| Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/10518/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/10518/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| hadoop-hdfs-client test log | https://builds.apache.org/job/PreCommit-HDFS-Build/10518/artifact/patchprocess/testrun_hadoop-hdfs-client.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/10518/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/10518/console |


This message was automatically generated.

> Erasure coding: DFSInputStream with decode functionality
> --------------------------------------------------------
>
>                 Key: HDFS-7678
>                 URL: https://issues.apache.org/jira/browse/HDFS-7678
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>    Affects Versions: HDFS-7285
>            Reporter: Li Bo
>            Assignee: Zhe Zhang
>         Attachments: BlockGroupReader.patch, HDFS-7678-HDFS-7285.002.patch, HDFS-7678-HDFS-7285.003.patch,
HDFS-7678-HDFS-7285.004.patch, HDFS-7678-HDFS-7285.005.patch, HDFS-7678-HDFS-7285.006.patch,
HDFS-7678-HDFS-7285.007.patch, HDFS-7678.000.patch, HDFS-7678.001.patch
>
>
> A block group reader will read data from BlockGroup no matter in striping layout or contiguous
layout. The corrupt blocks can be known before reading(told by namenode), or just be found
during reading. The block group reader needs to do decoding work when some blocks are found
corrupt.



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