Restart of the same data-node should not generate edits log records.
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Key: HADOOP-1261
URL: https://issues.apache.org/jira/browse/HADOOP-1261
Project: Hadoop
Issue Type: Bug
Components: dfs
Affects Versions: 0.12.0
Reporter: Konstantin Shvachko
Assigned To: Raghu Angadi
Priority: Minor
Fix For: 0.13.0
Currently during registration of a data-node with the storage id that has
already been registered
the name-node logs 2 records: <add node1> <remove node2>.
If the same node has been restarted these two records are redundant, lead to
unnecessary
increase of the edits file and result in a slow-down of the name-node startup.
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