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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8240) Allow users to specify a checksum type on create()
Date Tue, 15 May 2012 22:07:07 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8240?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13276270#comment-13276270
] 

Kihwal Lee commented on HADOOP-8240:
------------------------------------

Thanks, Nicholas. I think what you suggested makes sense. I haven't thought about FileContext
side of changes though. 
                
> Allow users to specify a checksum type on create()
> --------------------------------------------------
>
>                 Key: HADOOP-8240
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8240
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.23.0
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>             Fix For: 0.23.3, 2.0.0, 3.0.0
>
>         Attachments: hadoop-8240.patch
>
>
> Per discussion in HADOOP-8060, a way for users to specify a checksum type on create()
is needed. The way FileSystem cache works makes it impossible to use dfs.checksum.type to
achieve this. Also checksum-related API is at Filesystem-level, so we prefer something at
that level, not hdfs-specific one.  Current proposal is to use CreatFlag.

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