Yi Liu created HDFS-8792:
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Summary: 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
{{LightWeightLinkedSet}} requires fewer memory than java hashset.
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