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https://issues.apache.org/jira/browse/HDFS-7437?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14227926#comment-14227926
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Hadoop QA commented on HDFS-7437:
---------------------------------
{color:red}-1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12684104/HDFS-7437.002.patch
against trunk revision c1f2bb2.
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 7 new
or modified test files.
{color:red}-1 javac{color:red}. The patch appears to cause the build to
fail.
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/8866//console
This message is automatically generated.
> Storing block ids instead of BlockInfo object in INodeFile
> ----------------------------------------------------------
>
> Key: HDFS-7437
> URL: https://issues.apache.org/jira/browse/HDFS-7437
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Attachments: HDFS-7437.000.patch, HDFS-7437.001.patch,
> HDFS-7437.002.patch
>
>
> Currently {{INodeFile}} stores the lists of blocks as references of
> {{BlockInfo}} instead of the block ids. This creates implicit dependency
> between the namespace and the block manager.
> The dependency blocks several recent efforts, such as separating the block
> manager out as a standalone service, moving block information off heap, and
> optimizing the memory usage of block manager.
> This jira proposes to decouple the dependency by storing block ids instead of
> object reference in {{INodeFile}} objects.
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