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https://issues.apache.org/jira/browse/HADOOP-8930?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13478338#comment-13478338
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Robert Joseph Evans commented on HADOOP-8930:
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The change looks fine to me, Clover seems to build and run at least as well as
it did before. I am +1 for the change.
> Cumulative code coverage calculation
> ------------------------------------
>
> Key: HADOOP-8930
> URL: https://issues.apache.org/jira/browse/HADOOP-8930
> Project: Hadoop Common
> Issue Type: Improvement
> Components: test
> Affects Versions: 0.23.3, 2.0.2-alpha
> Reporter: Andrey Klochkov
> Assignee: Andrey Klochkov
> Attachments: HADOOP-8930-branch-0.23.patch, HADOOP-8930.patch
>
>
> When analyzing code coverage in Hadoop Core, we noticed that some coverage
> gaps are caused by the way the coverage calculation is done currently. More
> specifically, right now coverage can not be calculated for the whole Core at
> once, but can only be calculated separately for top level modules like
> common-project, hadoop-hdfs-project etc.
> At the same time, some code in particular modules is tested by tests in other
> modules of Core. For example, "org.apache.hadoop.fs" from
> hadoop-common-project/hadoop-common is not covered there but it's covered by
> tests under hadoop-hdfs-project.
> To enable calculation of "cumulative" code coverage it's needed to move
> Clover profile definition up one level, from hadoop-project/pom.xml to the
> top level pom.xml (hadoop-main).
> Patch both for 0.23 and 2.x will be attached shortly.
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