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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-8633) Fix mismatch for default value of dfs.datanode.readahead.bytes in DFSConfigKeys
Date Fri, 19 Jun 2015 02:46:00 GMT

    [ https://issues.apache.org/jira/browse/HDFS-8633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14592915#comment-14592915
] 

Hadoop QA commented on HDFS-8633:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  14m 44s | 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 34s | There were no new javac warning messages. |
| {color:green}+1{color} | javadoc |   9m 41s | 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:green}+1{color} | whitespace |   0m  0s | The patch has no lines that end in whitespace.
|
| {color:green}+1{color} | install |   1m 32s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 55s | The patch built with eclipse:eclipse.
|
| {color:green}+1{color} | native |   3m 15s | Pre-build of native portion |
| {color:green}+1{color} | hdfs tests | 161m 30s | Tests passed in hadoop-hdfs. |
| | | 199m 37s | |
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|| Subsystem || Report/Notes ||
| Patch URL | http://issues.apache.org/jira/secure/attachment/12740459/HDFS-8633.001.patch
|
| Optional Tests | javadoc javac unit |
| git revision | trunk / 5b5bb8d |
| hadoop-hdfs test log | https://builds.apache.org/job/PreCommit-HDFS-Build/11406/artifact/patchprocess/testrun_hadoop-hdfs.txt
|
| Test Results | https://builds.apache.org/job/PreCommit-HDFS-Build/11406/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/11406/console |


This message was automatically generated.

> Fix mismatch for default value of dfs.datanode.readahead.bytes in DFSConfigKeys
> -------------------------------------------------------------------------------
>
>                 Key: HDFS-8633
>                 URL: https://issues.apache.org/jira/browse/HDFS-8633
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: HDFS
>    Affects Versions: 2.7.0
>            Reporter: Ray Chiang
>            Assignee: Ray Chiang
>            Priority: Minor
>              Labels: newbie, supportability
>         Attachments: HDFS-8633.001.patch
>
>
> Found this using the XML/Config verifier.  One of these properties has two digits swapped.
>   XML Property: dfs.datanode.readahead.bytes
>   XML Value:    4193404
>   Config Name:  DFS_DATANODE_READAHEAD_BYTES_DEFAULT
>   Config Value: 4194304
> What is the intended value?



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