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https://issues.apache.org/jira/browse/HDFS-7433?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14535362#comment-14535362
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Hadoop QA commented on HDFS-7433:
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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 0s | Pre-patch trunk compilation is
healthy. |
| {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 | 7m 47s | There were no new javac warning
messages. |
| {color:green}+1{color} | javadoc | 9m 42s | There were no new javadoc
warning messages. |
| {color:green}+1{color} | release audit | 0m 21s | The applied patch does
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle | 2m 12s | The applied patch generated 6
new checkstyle issues (total was 928, now 82). |
| {color:green}+1{color} | whitespace | 0m 1s | 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 33s | The patch built with
eclipse:eclipse. |
| {color:green}+1{color} | findbugs | 3m 5s | The patch does not introduce
any new Findbugs (version 2.0.3) warnings. |
| {color:green}+1{color} | native | 3m 19s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests | 165m 43s | Tests failed in hadoop-hdfs. |
| | | 209m 26s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.tracing.TestTraceAdmin |
| | hadoop.fs.contract.hdfs.TestHDFSContractSeek |
| | hadoop.hdfs.server.namenode.ha.TestQuotasWithHA |
| | hadoop.hdfs.TestParallelShortCircuitReadUnCached |
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|| Subsystem || Report/Notes ||
| Patch URL |
http://issues.apache.org/jira/secure/attachment/12703937/HDFS-7433.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / bcf2890 |
| checkstyle |
https://builds.apache.org/job/PreCommit-HDFS-Build/10873/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
|
| hadoop-hdfs test log |
https://builds.apache.org/job/PreCommit-HDFS-Build/10873/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/10873/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/10873/console |
This message was automatically generated.
> Optimize performance of DatanodeManager's node map
> --------------------------------------------------
>
> Key: HDFS-7433
> URL: https://issues.apache.org/jira/browse/HDFS-7433
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.0.0-alpha, 3.0.0
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
> Priority: Critical
> Labels: BB2015-05-TBR
> Attachments: HDFS-7433.patch, HDFS-7433.patch, HDFS-7433.patch,
> HDFS-7433.patch
>
>
> The datanode map is currently a {{TreeMap}}. For many thousands of
> datanodes, tree lookups are ~10X more expensive than a {{HashMap}}.
> Insertions and removals are up to 100X more expensive.
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