Yi Liu created HDFS-9032:
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Summary: Small improvement for DatanodeManager#sortLocatedBlocks
Key: HDFS-9032
URL: https://issues.apache.org/jira/browse/HDFS-9032
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Yi Liu
Assignee: Yi Liu
Priority: Minor
This is a minor improvement:
In sortLocatedBlocks, (in most cases) if locations of located block don't
contain decommissioned/stale datanode, no need to call Arrays.sort.
Also we can make the comparator as the class variable.
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