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https://issues.apache.org/jira/browse/HADOOP-8046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13211336#comment-13211336
]
Hudson commented on HADOOP-8046:
--------------------------------
Integrated in Hadoop-Hdfs-0.23-Build #173 (See
[https://builds.apache.org/job/Hadoop-Hdfs-0.23-Build/173/])
HADOOP-8046 Revert StaticMapping semantics to the existing ones, add DNS
mapping diagnostics in progress (Revision 1245910)
Result = SUCCESS
stevel : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1245910
Files :
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/CHANGES.txt
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/AbstractDNSToSwitchMapping.java
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/CachedDNSToSwitchMapping.java
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/net/ScriptBasedMapping.java
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/StaticMapping.java
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestStaticMapping.java
*
/hadoop/common/branches/branch-0.23/hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/net/TestSwitchMapping.java
> Revert StaticMapping semantics to the existing ones, add DNS mapping
> diagnostics in progress
> --------------------------------------------------------------------------------------------
>
> Key: HADOOP-8046
> URL: https://issues.apache.org/jira/browse/HADOOP-8046
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Steve Loughran
> Assignee: Steve Loughran
> Priority: Minor
> Fix For: 0.24.0, 0.23.2
>
> Attachments: HADOOP-8046.patch, HADOOP-8046.patch
>
> Original Estimate: 2h
> Remaining Estimate: 2h
>
> HADOOP-7878 still doesn't let the block manager switch to non-scripted
> topologies because the static mapping is still getting it wrong -it should
> just look at the configuration for a non-null script name, as per the usual
> {{ScriptBasedMapping}}, so as to keep tests backwards compatible.
> In the process, make it possible to debug topologies by
> # {{#toString()}} operations to provide summary information, and for the
> {{CachedDNSToSwitchMapping}}, to include information on the inner mapping.
> {{ScriptBasedMapping}} to include the script name.
> # {{AbstractDNSToSwitchMapping} to offer a method {{getSwitchMap()}} to
> return a cloned map of the mapping, or null if this is not known.
> # {{AbstractDNSToSwitchMapping} to offer a method {{dumpTopology()}} to take
> this switch map and the toString() and generate a topology dump suitable for
> humans.
> # Implementing the switch map method for the standard mappings (Cached ->
> cached map, Static -> static map, Script -> null).
> These methods are all for debugging, but there is no reason not to use the
> contents of {{getSwitchMap()}} in service web pages providing details on the
> service's current view of the network topology, as it may differ from the
> expectations of the script author.
> time: 30m to implement, 1h30 to write more tests and run them.
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