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From "Daryn Sharp (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-3268) Hdfs mishandles token service & incompatible with HA
Date Thu, 12 Apr 2012 20:59:20 GMT

     [ https://issues.apache.org/jira/browse/HDFS-3268?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Daryn Sharp updated HDFS-3268:

    Attachment: HDFS-3268.patch

Modified {{Hdfs}} to not overwrite the token service.  Changed {{DistributedFileSystem}} and
{{Hdfs}} to call down into {{DFSClient}} to get the token service.  This simplifies the code
and eliminates a false coupling between the filesystem and feature of the underlying {{DFSClient}}.
> Hdfs mishandles token service & incompatible with HA
> ----------------------------------------------------
>                 Key: HDFS-3268
>                 URL: https://issues.apache.org/jira/browse/HDFS-3268
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: ha, hdfs client
>    Affects Versions: 0.24.0, 2.0.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>            Priority: Critical
>         Attachments: HDFS-3268.patch
> The {{Hdfs AbstractFileSystem}} is overwriting the token service set by the {{DFSClient}}.
 The service is not necessarily the correct one since {{DFSClient}} is responsible for the
service.  Most importantly, this improper behavior is overwriting the HA logical service which
indirectly renders {{FileContext}} incompatible with HA.

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