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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9011) Support splitting BlockReport of a storage into multiple RPC
Date Sat, 05 Sep 2015 00:02:45 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9011?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14731635#comment-14731635
] 

Hadoop QA commented on HDFS-9011:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  18m 34s | 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 10 new
or modified test files. |
| {color:green}+1{color} | javac |  10m  1s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |  12m 18s | There were no new javadoc warning messages.
|
| {color:green}+1{color} | release audit |   0m 25s | The applied patch does not increase
the total number of release audit warnings. |
| {color:green}+1{color} | checkstyle |   1m  0s | There were no new checkstyle issues. |
| {color:red}-1{color} | whitespace |   0m  4s | The patch has 1  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 41s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 37s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | findbugs |   2m 59s | The patch does not introduce any new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | native |   3m 42s | Pre-build of native portion |
| {color:red}-1{color} | hdfs tests |  97m 37s | Tests failed in hadoop-hdfs. |
| | | 149m  4s | |
\\
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|| Reason || Tests ||
| Failed unit tests | hadoop.hdfs.tools.TestDFSHAAdminMiniCluster |
|   | hadoop.hdfs.tools.TestDFSAdminWithHA |
|   | hadoop.hdfs.TestQuota |
|   | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
|   | hadoop.hdfs.server.namenode.ha.TestDFSUpgradeWithHA |
|   | hadoop.hdfs.server.namenode.ha.TestEditLogsDuringFailover |
| Timed out tests | org.apache.hadoop.hdfs.TestDFSStartupVersions |
|   | org.apache.hadoop.hdfs.server.namenode.ha.TestPendingCorruptDnMessages |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12754275/HDFS-9011.002.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / e1feaf6 |
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/12318/artifact/patchprocess/whitespace.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/12318/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/12318/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/12318/console |


This message was automatically generated.

> Support splitting BlockReport of a storage into multiple RPC
> ------------------------------------------------------------
>
>                 Key: HDFS-9011
>                 URL: https://issues.apache.org/jira/browse/HDFS-9011
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-9011.000.patch, HDFS-9011.001.patch, HDFS-9011.002.patch
>
>
> Currently if a DataNode has too many blocks (more than 1m by default), it sends multiple
RPC to the NameNode for the block report, each RPC contains report for a single storage. However,
in practice we've seen sometimes even a single storage can contains large amount of blocks
and the report even exceeds the max RPC data length. It may be helpful to support sending
multiple RPC for the block report of a storage. 



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