Daryn Sharp created HDFS-7434:
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Summary: DatanodeID hashCode should not be mutable
Key: HDFS-7434
URL: https://issues.apache.org/jira/browse/HDFS-7434
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Affects Versions: 2.0.0-alpha, 3.0.0
Reporter: Daryn Sharp
Mutable hash codes may lead to orphaned instances in a collection. Instances
must always be removed prior to modification of hash code values, and
re-inserted. Although current code appears to do this, the mutable hash code
is a landmine.
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