Lost Trackers may not be able to join back
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Key: HADOOP-4869
URL: https://issues.apache.org/jira/browse/HADOOP-4869
Project: Hadoop Core
Issue Type: Bug
Components: mapred
Affects Versions: 0.20.0
Reporter: Devaraj Das
Assignee: Amareshwari Sriramadasu
Priority: Blocker
Fix For: 0.20.0
There is a bug in the heartbeat processing which shows up when TaskTrackers are
lost. Due to the bug, lost TTs may not be able to join back the JT after
reinitializing (and binding to a RPC port different from the previous one).
This bug got introduced in HADOOP-4305.
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