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https://issues.apache.org/jira/browse/HDFS-8133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14492574#comment-14492574
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Daryn Sharp commented on HDFS-8133:
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Colin recommended I spin this off from HDFS-6658.
> Improve readability of deleted block check
> ------------------------------------------
>
> Key: HDFS-8133
> URL: https://issues.apache.org/jira/browse/HDFS-8133
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: namenode
> Affects Versions: 2.0.0-alpha
> Reporter: Daryn Sharp
> Assignee: Daryn Sharp
>
> The current means of checking if a block is deleted is checking if its block
> collection is null. A more readable approach is an isDeleted method.
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