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From "Xiaobing Zhou (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-10913) Refactor BlockReceiver by introducing faults injector to enhance testability of detecting slow mirrors
Date Tue, 27 Sep 2016 23:56:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-10913?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Xiaobing Zhou updated HDFS-10913:
---------------------------------
    Attachment: HDFS-10913.000.patch

> Refactor BlockReceiver by introducing faults injector to enhance testability of detecting
slow mirrors
> ------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-10913
>                 URL: https://issues.apache.org/jira/browse/HDFS-10913
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: datanode
>    Affects Versions: 2.8.0
>            Reporter: Xiaobing Zhou
>            Assignee: Xiaobing Zhou
>         Attachments: HDFS-10913.000.patch
>
>
> BlockReceiver#datanodeSlowLogThresholdMs is used as threshold to detect slow mirrors.
BlockReceiver only writes some warning logs. In order to better test behaviors of slow mirrors,
it necessitates introducing fault injectors.



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