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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8617) Throttle DiskChecker#checkDirs() speed.
Date Thu, 18 Jun 2015 06:17:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14591327#comment-14591327
] 

Hadoop QA commented on HDFS-8617:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:red}-1{color} | pre-patch |  16m 49s | 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 4 new
or modified test files. |
| {color:green}+1{color} | javac |   7m 29s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 37s | 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 23s | The applied patch generated  2 new checkstyle
issues (total was 7, now 9). |
| {color:red}-1{color} | whitespace |   0m  1s | The patch has 1  line(s) that end in whitespace.
Use git apply --whitespace=fix. |
| {color:green}+1{color} | install |   1m 37s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with eclipse:eclipse.
|
| {color:red}-1{color} | findbugs |   5m 10s | The patch appears to introduce 1 new Findbugs
(version 3.0.0) warnings. |
| {color:green}+1{color} | common tests |  21m 55s | Tests passed in hadoop-common. |
| {color:red}-1{color} | hdfs tests | 161m 26s | Tests failed in hadoop-hdfs. |
| | | 226m 43s | |
\\
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|| Reason || Tests ||
| FindBugs | module:hadoop-hdfs |
| Failed unit tests | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailure |
|   | hadoop.hdfs.server.datanode.TestDataNodeVolumeFailureReporting |
\\
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12740210/HDFS-8617.000.patch
|
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / cc43288 |
| checkstyle |  https://builds.apache.org/job/PreCommit-HDFS-Build/11397/artifact/patchprocess/diffcheckstylehadoop-common.txt
|
| whitespace | https://builds.apache.org/job/PreCommit-HDFS-Build/11397/artifact/patchprocess/whitespace.txt
|
| Findbugs warnings | https://builds.apache.org/job/PreCommit-HDFS-Build/11397/artifact/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
|
| hadoop-common test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11397/artifact/patchprocess/testrun_hadoop-common.txt
|
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11397/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11397/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf909.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/11397/console |


This message was automatically generated.

> Throttle DiskChecker#checkDirs() speed.
> ---------------------------------------
>
>                 Key: HDFS-8617
>                 URL: https://issues.apache.org/jira/browse/HDFS-8617
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: HDFS
>    Affects Versions: 2.7.0
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>         Attachments: HDFS-8617.000.patch
>
>
> As described in HDFS-8564,  {{DiskChecker.checkDirs(finalizedDir)}} is causing excessive
I/Os because {{finalizedDirs}} might have up to 64K sub-directories (HDFS-6482).
> This patch proposes to limit the rate of IO operations in {{DiskChecker.checkDirs()}}.




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