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https://issues.apache.org/jira/browse/HDFS-8792?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yi Liu updated HDFS-8792:
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Attachment: HDFS-8792.001.patch
> Use LightWeightLinkedSet for BlockManager#postponedMisreplicatedBlocks
> ----------------------------------------------------------------------
>
> Key: HDFS-8792
> URL: https://issues.apache.org/jira/browse/HDFS-8792
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Yi Liu
> Assignee: Yi Liu
> Attachments: HDFS-8792.001.patch
>
>
> {{LightWeightLinkedSet}} requires fewer memory than java hashset.
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