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https://issues.apache.org/jira/browse/HDFS-8900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14707359#comment-14707359
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Hadoop QA commented on HDFS-8900:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch | 18m 2s | 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 | 7m 43s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 9m 48s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 23s | The applied patch does
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle | 1m 27s | The applied patch generated 7
new checkstyle issues (total was 516, now 517). |
| {color:red}-1{color} | whitespace | 0m 1s | The patch has 4 line(s) that
end in whitespace. Use git apply --whitespace=fix. |
| {color:green}+1{color} | install | 1m 29s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse | 0m 34s | The patch built with
eclipse:eclipse. |
| {color:red}-1{color} | findbugs | 2m 34s | The patch appears to introduce 2
new Findbugs (version 3.0.0) warnings. |
| {color:green}+1{color} | native | 3m 8s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 128m 28s | Tests failed in hadoop-hdfs. |
| | | 173m 42s | |
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs |
| Failed unit tests | hadoop.hdfs.server.namenode.TestStartup |
| Timed out tests |
org.apache.hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureToleration |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12751731/HDFS-8900.002.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / 22de7c1 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/12066/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| whitespace |
https://builds.apache.org/job/PreCommit-HDFS-Build/12066/artifact/patchprocess/whitespace.txt
|
| Findbugs warnings |
https://builds.apache.org/job/PreCommit-HDFS-Build/12066/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
|
| hadoop-hdfs test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/12066/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/12066/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf904.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/12066/console |
This message was automatically generated.
> Compact XAttrs to optimize memory footprint.
> --------------------------------------------
>
> Key: HDFS-8900
> URL: https://issues.apache.org/jira/browse/HDFS-8900
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Reporter: Yi Liu
> Assignee: Yi Liu
> Attachments: HDFS-8900.001.patch, HDFS-8900.002.patch
>
>
> {code}
> private final ImmutableList<XAttr> xAttrs;
> {code}
> Currently we use above in XAttrFeature, it's not efficient from memory point
> of view, since {{ImmutableList}} and {{XAttr}} have object memory overhead,
> and each object has memory alignment.
> We can use a {{byte[]}} in XAttrFeature and do some compact in {{XAttr}}.
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