Yang Yun created HDFS-15377:
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Summary: BlockScanner scans one part per round, expect full scans
after several rounds
Key: HDFS-15377
URL: https://issues.apache.org/jira/browse/HDFS-15377
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Yang Yun
Assignee: Yang Yun
For reducing disk IO, one block is separated to multiple parts, BlockScanner
scans only one part per round. Expect that after several rounds, the full block
should be scanned.
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