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From "Manoj Govindassamy (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-11287) Storage class member storageDirs should be private to avoid unprotected access by derived classes
Date Tue, 03 Jan 2017 22:21:58 GMT

     [ https://issues.apache.org/jira/browse/HDFS-11287?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Manoj Govindassamy updated HDFS-11287:
--------------------------------------
    Affects Version/s: 3.0.0-alpha1
     Target Version/s: 3.0.0-alpha2
               Status: Patch Available  (was: Open)

> Storage class member storageDirs should be private to avoid unprotected access by derived
classes
> -------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-11287
>                 URL: https://issues.apache.org/jira/browse/HDFS-11287
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 3.0.0-alpha1
>            Reporter: Manoj Govindassamy
>            Assignee: Manoj Govindassamy
>         Attachments: HDFS-11287.01.patch
>
>
> HDFS-11267 fix made the abstract class Storage.java member variable storageDirs a thread
safe one so that all its derived classes like NNStorage, JNStorage, DataStorage will not face
any ConcurrentModificationException when there are volume add/remove and listing operations
running in parallel. The fix rebase missed out few changers to the original patch. This jira
is to address the addendum needed for the HDFS-11267 commits. 



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