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https://issues.apache.org/jira/browse/HDFS-3502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE updated HDFS-3502:
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Attachment: h3502_20120611.patch
John, good point. I added @InterfaceAudience.Private in the following path.
h3502_20120611.patch
For BlockInfo.EMPTY_ARRAY, it is used in INodeFileUnderConstruction and
FSDirectory. The original code passes length 0 and create new BlockInfo[0].
It is a small optimization to avoid creating empty array since empty arrays are
immutable.
> Change INodeFile and INodeFileUnderConstruction to package private
> ------------------------------------------------------------------
>
> Key: HDFS-3502
> URL: https://issues.apache.org/jira/browse/HDFS-3502
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: name-node
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h3502_20120608.patch, h3502_20120611.patch
>
>
> We already have BlockCollection and MutableBlockCollection interfaces so that
> INodeFile and INodeFileUnderConstruction can be changed to package private.
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