Simbarashe Dzinamarira created HDFS-17546:
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Summary: Implementing Timeout for HostFileReader when FS hangs
Key: HDFS-17546
URL: https://issues.apache.org/jira/browse/HDFS-17546
Project: Hadoop HDFS
Issue Type: Improvement
Components: namenode
Reporter: Simbarashe Dzinamarira
Assignee: Simbarashe Dzinamarira
Certain implementations of Hadoop have the dfs.hosts file residing on NAS/NFS
and potentially with symlinks. If the FS hangs for any reason, the refreshNodes
call would infinitely hang on the HostsFileReader until the FS returns.
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