Todd Lipcon created HDFS-4176:
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Summary: EditLogTailer should call rollEdits with a timeout
Key: HDFS-4176
URL: https://issues.apache.org/jira/browse/HDFS-4176
Project: Hadoop HDFS
Issue Type: Bug
Components: ha, name-node
Affects Versions: 2.0.2-alpha, 3.0.0
Reporter: Todd Lipcon
When the EditLogTailer thread calls rollEdits() on the active NN via RPC, it
currently does so without a timeout. So, if the active NN has frozen (but not
actually crashed), this call can hang forever. This can then potentially
prevent the standby from becoming active.
This may actually considered a side effect of HADOOP-6762 -- if the RPC were
interruptible, that would also fix the issue.
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