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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] Assigned: (HADOOP-3573) Remove code related to conversion of name-node and data-node storage directories to the format introduced in hadoop 0.13
Date Thu, 17 Jul 2008 22:53:31 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-3573?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko reassigned HADOOP-3573:
-------------------------------------------

    Assignee: Raghu Angadi

> Remove code related to conversion of name-node and data-node storage directories to the
format introduced in hadoop 0.13
> ------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-3573
>                 URL: https://issues.apache.org/jira/browse/HADOOP-3573
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: dfs
>    Affects Versions: 0.17.0
>            Reporter: Konstantin Shvachko
>            Assignee: Raghu Angadi
>             Fix For: 0.19.0
>
>
> Hadoop 0.18 does not support direct HDFS upgrades from versions 0.13 or earlier as stated
in HADOOP-2797.
> A 2 step upgrade is required in this case first from 0.x <= 0.13 to one of version
0.14 through 0.17 and then to 0.18.
> This implies that current hdfs does not need to support code related to conversions of
the old (pre 0.13) storage layout to the current one introduced in 0.13 (see. HADOOP-702).

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