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https://issues.apache.org/jira/browse/HDFS-9303?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14976915#comment-14976915
]
Hadoop QA commented on HDFS-9303:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch | 19m 11s | Findbugs (version ) appears to
be broken on trunk. |
| {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 | 11m 13s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 14m 53s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 33s | The applied patch does
not increase the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle | 1m 11s | There were no new checkstyle
issues. |
| {color:red}-1{color} | whitespace | 0m 0s | The patch has 1 line(s) that
end in whitespace. Use git apply --whitespace=fix. |
| {color:green}+1{color} | install | 2m 9s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 46s | The patch built with
eclipse:eclipse. |
| {color:red}-1{color} | findbugs | 3m 23s | The patch appears to introduce 1
new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | native | 4m 19s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 58m 4s | Tests failed in hadoop-hdfs. |
| | | 115m 46s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs |
| Failed unit tests | hadoop.fs.contract.hdfs.TestHDFSContractSetTimes |
| | hadoop.hdfs.TestWriteReadStripedFile |
| | hadoop.fs.contract.hdfs.TestHDFSContractSeek |
| | hadoop.hdfs.server.namenode.ha.TestEditLogTailer |
| | hadoop.hdfs.TestDistributedFileSystem |
| | hadoop.hdfs.server.balancer.TestBalancer |
| | hadoop.fs.TestWebHdfsFileContextMainOperations |
| | hadoop.fs.viewfs.TestViewFsAtHdfsRoot |
| | hadoop.hdfs.server.namenode.TestCacheDirectives |
| Timed out tests |
org.apache.hadoop.hdfs.TestDFSStripedOutputStreamWithFailure |
| | org.apache.hadoop.fs.viewfs.TestViewFsFileStatusHdfs |
| | org.apache.hadoop.hdfs.TestDFSAddressConfig |
| | org.apache.hadoop.fs.contract.hdfs.TestHDFSContractRename |
| | org.apache.hadoop.hdfs.TestParallelShortCircuitReadNoChecksum |
| | org.apache.hadoop.fs.shell.TestHdfsTextCommand |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12769005/HDFS-9303.002.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / aa09880 |
| whitespace |
https://builds.apache.org/job/PreCommit-HDFS-Build/13228/artifact/patchprocess/whitespace.txt
|
| Findbugs warnings |
https://builds.apache.org/job/PreCommit-HDFS-Build/13228/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/13228/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/13228/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/13228/console |
This message was automatically generated.
> Balancer slowly with too many small file blocks
> -----------------------------------------------
>
> Key: HDFS-9303
> URL: https://issues.apache.org/jira/browse/HDFS-9303
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Affects Versions: 2.7.1
> Reporter: Lin Yiqun
> Assignee: Lin Yiqun
> Attachments: HDFS-9303.001.patch, HDFS-9303.002.patch
>
>
> In the recent hadoop release versions I found that balance operation is
> always so slowly, even though I upgrade the version.When I analyse balancer
> log, I found that in every balance iteration,it use only 4 to 5 minutes, and
> is a short time.And The most important is that the most of being moving
> blocks is small blocks ,and the size is smaller than 1M.And this is a main
> reason of the low effective of balance operation.
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