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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-9341) Simulated slow disk in SimulatedFSDataset
Date Fri, 06 Jan 2017 21:49:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-9341?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15805878#comment-15805878
] 

Hadoop QA commented on HDFS-9341:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  0s{color} | {color:blue}
Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m  3s{color} | {color:red}
HDFS-9341 does not apply to trunk. Rebase required? Wrong Branch? See https://wiki.apache.org/hadoop/HowToContribute
for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-9341 |
| JIRA Patch URL | https://issues.apache.org/jira/secure/attachment/12769894/HDFS-9341.00.patch
|
| Console output | https://builds.apache.org/job/PreCommit-HDFS-Build/18056/console |
| Powered by | Apache Yetus 0.5.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> Simulated slow disk in SimulatedFSDataset
> -----------------------------------------
>
>                 Key: HDFS-9341
>                 URL: https://issues.apache.org/jira/browse/HDFS-9341
>             Project: Hadoop HDFS
>          Issue Type: Test
>          Components: test
>    Affects Versions: 2.7.1
>            Reporter: Zhe Zhang
>            Assignee: Zhe Zhang
>            Priority: Minor
>         Attachments: HDFS-9341.00.patch
>
>
> Besides simulating the byte content, {{SimulatedFSDataset}} can also simulate the scenario
where disk is slow when accessing certain bytes. The slowness can be random or controlled
at certain bytes. It can also be made configurable.



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