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From "Hadoop QA (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-11518) Prefix-based per-RPC server configuration
Date Wed, 11 Feb 2015 20:26:11 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-11518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14316922#comment-14316922
] 

Hadoop QA commented on HADOOP-11518:
------------------------------------

{color:red}-1 overall{color}.  Here are the results of testing the latest attachment 
  http://issues.apache.org/jira/secure/attachment/12698131/HADOOP-11518.v4.patch
  against trunk revision f80c988.

    {color:green}+1 @author{color}.  The patch does not contain any @author tags.

    {color:green}+1 tests included{color}.  The patch appears to include 1 new or modified
test files.

    {color:green}+1 javac{color}.  The applied patch does not increase the total number of
javac compiler warnings.

    {color:green}+1 javadoc{color}.  There were no new javadoc warning messages.

    {color:green}+1 eclipse:eclipse{color}.  The patch built with eclipse:eclipse.

    {color:red}-1 findbugs{color}.  The patch appears to introduce 2 new Findbugs (version
2.0.3) warnings.

    {color:green}+1 release audit{color}.  The applied patch does not increase the total number
of release audit warnings.

    {color:red}-1 core tests{color}.  The patch failed these unit tests in hadoop-common-project/hadoop-common:

                  org.apache.hadoop.ipc.TestRPCWaitForProxy

Test results: https://builds.apache.org/job/PreCommit-HADOOP-Build/5658//testReport/
Findbugs warnings: https://builds.apache.org/job/PreCommit-HADOOP-Build/5658//artifact/patchprocess/newPatchFindbugsWarningshadoop-common.html
Console output: https://builds.apache.org/job/PreCommit-HADOOP-Build/5658//console

This message is automatically generated.

> 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, HADOOP-11518.v3.patch,
HADOOP-11518.v4.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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