Number of racks and datanode double temporarily when upgrading from 0.10.1 to
0.11.2
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Key: HADOOP-1070
URL: https://issues.apache.org/jira/browse/HADOOP-1070
Project: Hadoop
Issue Type: Bug
Components: dfs
Affects Versions: 0.11.2
Reporter: Nigel Daley
When upgrading from Hadoop 0.10.1 to 0.11.2, I see the number of racks and
datanode double after the 2nd startup of the Namenode. After the 3rd startup,
they correct themselves:
Namenode Log After 1st Startup:
2007-03-06 18:27:27,045 INFO org.apache.hadoop.dfs.StateChange: STATE* Network
topology has 1 racks and 4 datanodes
Namenode Log After 2nd Startup:
2007-03-06 18:27:43,201 INFO org.apache.hadoop.dfs.StateChange: STATE* Network
topology has 2 racks and 8 datanodes
Namenode Log After 3rd Startup:
2007-03-06 18:28:09,730 INFO org.apache.hadoop.dfs.StateChange: STATE* Network
topology has 1 racks and 4 datanodes
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