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From "Manjunath Anand (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11277) Implement equals and hashcode in FsVolumeSpi implementations
Date Sat, 31 Dec 2016 04:21:59 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11277?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15788892#comment-15788892
] 

Manjunath Anand commented on HDFS-11277:
----------------------------------------

Hi [~arpitagarwal] thanks for reviewing it. Sorry for the change. I think I dont have permissions
to delete this JIRA. Can you please delete it. 

> Implement equals and hashcode in FsVolumeSpi implementations
> ------------------------------------------------------------
>
>                 Key: HDFS-11277
>                 URL: https://issues.apache.org/jira/browse/HDFS-11277
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode
>            Reporter: Manjunath Anand
>            Assignee: Manjunath Anand
>         Attachments: 0001-HDFS-11277-Implement-equals-and-hashcode-in-FsVolume.patch
>
>
> Certain of the implementations of FsVolumeSpi say for eg:- FsVolumeImpl can implement
equals and hashcode. This is to avoid object identity check during disk check scheduling in
ThrottledAsyncChecker and instead use other means of checking whether a diskcheck is already
in progress or not for  FsVolumeImpl object.



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