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https://issues.apache.org/jira/browse/HADOOP-11518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14309860#comment-14309860
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Daryn Sharp commented on HADOOP-11518:
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Initially, this doesn't look like it handles getting prefixed values with
default strings.
> 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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