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From "Junping Du (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6661) Use BlockList instead of double linked list i.e BlockInfo triplets
Date Fri, 06 Jan 2017 22:09:59 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6661?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Junping Du updated HDFS-6661:
-----------------------------
    Target Version/s:   (was: 2.8.0)

> Use BlockList instead of double linked list  i.e BlockInfo triplets 
> --------------------------------------------------------------------
>
>                 Key: HDFS-6661
>                 URL: https://issues.apache.org/jira/browse/HDFS-6661
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>    Affects Versions: 2.4.1
>            Reporter: Amir Langer
>            Assignee: Amir Langer
>         Attachments: 0003-use-BlockList-instead-of-a-double-linked-list-of-blo.patch
>
>
> Replace the triplets data structure with a BlockList instance per DatanodeStorageInfo.
This requires to keep only two integers per replica in any BlockInfo object. (One is the index
for the DatanodeStorageInfo and the other is the position of the block in that DatanodeStorageInfo
BlockList).
>    



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