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Posted to mapreduce-issues@hadoop.apache.org by "Todd Lipcon (JIRA)" <ji...@apache.org> on 2011/06/14 00:49:47 UTC
[jira] [Commented] (MAPREDUCE-1678) Change
org.apache.hadoop.mapreduce.Cluster methods to allow for extending
[ https://issues.apache.org/jira/browse/MAPREDUCE-1678?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13048849#comment-13048849 ]
Todd Lipcon commented on MAPREDUCE-1678:
----------------------------------------
I think this use case might be provided for in MAPREDUCE-2400, right?
> Change org.apache.hadoop.mapreduce.Cluster methods to allow for extending
> -------------------------------------------------------------------------
>
> Key: MAPREDUCE-1678
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-1678
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: job submission
> Affects Versions: 0.23.0
> Reporter: Kyle Ellrott
> Assignee: Harsh J
> Priority: Trivial
> Fix For: 0.23.0
>
> Attachments: MAPREDUCE-1678.r1.patch
>
> Original Estimate: 5m
> Remaining Estimate: 5m
>
> Change methods in org.apache.hadoop.mapreduce.Cluster from private to protected to allow extension of cluster.
> If the method createRPCProxy is changed from private to protected, then alternate cluster implementations could be written that return other ClientProtocol's.
> For example, changing the protocol some custom implementation called SimpleClient
>
> ie:
> public class SimpleCluster extends Cluster {
> @Override
> protected ClientProtocol createRPCProxy(InetSocketAddress addr, Configuration conf) throws IOException {
> return new SimpleClient(conf);
> }
> }
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