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https://issues.apache.org/jira/browse/HDFS-8320?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14549884#comment-14549884
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Hadoop QA commented on HDFS-8320:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 15m 5s | 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 3 new or modified test files. |
| {color:green}+1{color} | javac | 7m 58s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 12m 1s | 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 40s | 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 58s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 38s | The patch built with
eclipse:eclipse. |
| {color:red}-1{color} | findbugs | 3m 50s | The patch appears to introduce 7
new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | native | 3m 49s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 109m 52s | Tests failed in hadoop-hdfs. |
| | | 156m 15s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs |
| | Inconsistent synchronization of
org.apache.hadoop.hdfs.DFSOutputStream.streamer; locked 89% of time
Unsynchronized access at DFSOutputStream.java:89% of time Unsynchronized
access at DFSOutputStream.java:[line 146] |
| | 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 194] |
| | Unread field:field be static? At ErasureCodingWorker.java:[line 252] |
| | Should
org.apache.hadoop.hdfs.server.datanode.erasurecode.ErasureCodingWorker$StripedReader
be a _static_ inner class? At ErasureCodingWorker.java:inner class? At
ErasureCodingWorker.java:[lines 913-915] |
| | 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 108] |
| Failed unit tests | hadoop.hdfs.server.namenode.metrics.TestNameNodeMetrics |
| | hadoop.hdfs.server.namenode.TestAuditLogs |
| | hadoop.hdfs.server.namenode.TestFileTruncate |
| Timed out tests | org.apache.hadoop.hdfs.TestDistributedFileSystem |
| | org.apache.hadoop.hdfs.server.namenode.TestHostsFiles |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12733703/HDFS-8320-HDFS-7285.02.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | HDFS-7285 / b596edc |
| Release Audit |
https://builds.apache.org/job/PreCommit-HDFS-Build/11044/artifact/patchprocess/patchReleaseAuditProblems.txt
|
| Findbugs warnings |
https://builds.apache.org/job/PreCommit-HDFS-Build/11044/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/11044/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/11044/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf903.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/11044/console |
This message was automatically generated.
> Erasure coding: consolidate striping-related terminologies
> ----------------------------------------------------------
>
> Key: HDFS-8320
> URL: https://issues.apache.org/jira/browse/HDFS-8320
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Zhe Zhang
> Assignee: Zhe Zhang
> Attachments: HDFS-8320-HDFS-7285.00.patch,
> HDFS-8320-HDFS-7285.01.patch, HDFS-8320-HDFS-7285.02.patch,
> HDFS-8320-HDFS-7285.03.patch
>
>
> Right now we are doing striping-based I/O in a number of places:
> # Client output stream (HDFS-7889)
> # Client input stream
> #* pread (HDFS-7782, HDFS-7678)
> #* stateful read (HDFS-8033, HDFS-8281, HDFS-8319)
> # DN reconstruction (HDFS-7348)
> In each place we use one or multiple of the following terminologies:
> # Cell
> # Stripe
> # Block group
> # Internal block
> # Chunk
> This JIRA aims to systematically define these terminologies in relation with
> each other and in the context of the containing file. For example, a cell
> belong to stripe _i_ and internal block _j_ can be indexed as {{(i, j)}} and
> its logical index _k_ in the file can be calculated.
> With the above consolidation, hopefully we can further consolidate striping
> I/O codes.
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