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From "Masatake Iwasaki (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6007) Update documentation about short-circuit local reads
Date Tue, 04 Mar 2014 02:36:21 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6007?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Masatake Iwasaki updated HDFS-6007:

    Attachment: HDFS-6007-1.patch

Hi [~cmccabe], thanks for your comments.

bq. I like the original sentence better here.


bq. I'm not too excited about the giant table of configuration. It seems to duplicate what
we have in hdfs-defaults.xml. We already have the problem of the configuration keys being
duplicated between DFSConfigKeys.java and hdfs-defaults.xml; adding a third duplicated area
seems suboptimal.

I simplified the table.
I agree that we should avoid dupclication. In addition to duplication, it is confusing that
some values defined in {{hdfs-default.xml}} are not actually used. This is the problem should
be solved but beyond the scope of this issue.

bq. Additionally, most users will never have to configure anything related to HDFS-5810.

Actually the patch is based on HDFS-4538 and HDFS-4953. I fixed the description.

> Update documentation about short-circuit local reads
> ----------------------------------------------------
>                 Key: HDFS-6007
>                 URL: https://issues.apache.org/jira/browse/HDFS-6007
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: documentation
>            Reporter: Masatake Iwasaki
>            Priority: Minor
>         Attachments: HDFS-6007-0.patch, HDFS-6007-1.patch
> updating the contents of "HDFS SHort-Circuit Local Reads" based on the changes in HDFS-4538
and HDFS-4953.

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