Lei (Eddy) Xu created HDFS-8860:
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Summary: Remove Replica hardlink / unlink code
Key: HDFS-8860
URL: https://issues.apache.org/jira/browse/HDFS-8860
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Lei (Eddy) Xu
Assignee: Lei (Eddy) Xu
{{ReplicaInfo#unlinkBlock()}} is effectively disabled by the following code,
because {{isUnlinked()}} always returns true.
{code}
if (isUnlinked()) {
return false;
}
{code}
Several test cases, e.g., {{TestFileAppend#testCopyOnWrite}} and
{{TestDatanodeRestart#testRecoverReplicas}} are testing against the unlink
Lets remove the relevant code to eliminate the confusions.
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