Daryn Sharp created HDFS-7005:
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Summary: DFS input streams do not timeout
Key: HDFS-7005
URL: https://issues.apache.org/jira/browse/HDFS-7005
Project: Hadoop HDFS
Issue Type: Bug
Components: hdfs-client
Affects Versions: 2.5.0, 3.0.0
Reporter: Daryn Sharp
Assignee: Daryn Sharp
Priority: Critical
Input streams lost their timeout. The problem appears to be
{{DFSClient#newConnectedPeer}} does not set the read timeout. During a
temporary network interruption the server will close the socket, unbeknownst to
the client host, which blocks on a read forever.
The results are dire. Services such as the RM, JHS, NMs, oozie servers, etc
all need to be restarted to recover - unless you want to wait many hours for
the tcp stack keepalive to detect the broken socket.
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