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From "Jaeboo Jeong (JIRA)" <j...@apache.org>
Subject [jira] [Created] (YARN-6494) add mounting of HDFS Short-Circuit path for docker containers
Date Wed, 19 Apr 2017 12:25:41 GMT
Jaeboo Jeong created YARN-6494:
----------------------------------

             Summary: add mounting of HDFS Short-Circuit path for docker containers
                 Key: YARN-6494
                 URL: https://issues.apache.org/jira/browse/YARN-6494
             Project: Hadoop YARN
          Issue Type: Improvement
          Components: nodemanager
            Reporter: Jaeboo Jeong


Currently there is a error message about HDFS short-circuit when docker container start.
{code}
WARN [main] org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory: error creating DomainSocket
java.net.ConnectException: connect(2) error: No such file or directory when trying to connect
to ‘xxxxxxx’
    at org.apache.hadoop.net.unix.DomainSocket.connect0(Native Method)
    at org.apache.hadoop.net.unix.DomainSocket.connect(DomainSocket.java:250)
    at org.apache.hadoop.hdfs.shortcircuit.DomainSocketFactory.createSocket(DomainSocketFactory.java:164)
    at org.apache.hadoop.hdfs.BlockReaderFactory.nextDomainPeer(BlockReaderFactory.java:752)
...
{code}

if dfs.client.read.shortcircuit is true and dfs.domain.socket.path isn't equal “”, we
need to mount volume for short-circuit path.



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