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From "Kihwal Lee (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-11518) Prefix-based per-RPC server configuration
Date Mon, 02 Feb 2015 18:38:35 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-11518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Kihwal Lee updated HADOOP-11518:
    Attachment: HADOOP-11518.v2.patch

The new patch modifies {{Configuration}} class directly for the prefix support, instead of
adding {{PrefixedConfiguration}}. 

> Prefix-based per-RPC server configuration
> -----------------------------------------
>                 Key: HADOOP-11518
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11518
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: ipc
>            Reporter: Kihwal Lee
>            Assignee: Kihwal Lee
>         Attachments: HADOOP-11518.patch, HADOOP-11518.v2.patch
> If a process runs multiple RPC servers, there is no way to individually set their IPC
parameters beyond what's supported by the RPC Builder.  If a configuration is shared among
many nodes, this is more problematic. 
> In this jira, a prefix-based per-server configuration is proposed.  When an RPC server
is built, a prefix can be specified, which will then be prepended to keys when retrieving
configured values.  There will be an option to fall-back to using the key without the prefix
when no value is found with the prefix, thus making this feature compatible with the current
way of configuring servers.

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