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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-997) Implement S3 retry mechanism for failed block transfers
Date Tue, 13 Feb 2007 21:28:05 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-997?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tom White updated HADOOP-997:
-----------------------------

    Comment: was deleted

> Implement S3 retry mechanism for failed block transfers
> -------------------------------------------------------
>
>                 Key: HADOOP-997
>                 URL: https://issues.apache.org/jira/browse/HADOOP-997
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.11.0
>            Reporter: Tom White
>         Assigned To: Tom White
>         Attachments: HADOOP-997.patch
>
>
> HADOOP-882 improves S3FileSystem so that when certain communications problems with S3
occur the operation is retried. However, the retry mechanism cannot handle a block transfer
failure, since blocks may be very large and we don't want to buffer them in memory. This improvement
is to write a wrapper (using java.lang.reflect.Proxy if possible - see discussion in HADOOP-882)
that can retry block transfers.

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