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From "Yuan Zhou (Jira)" <j...@apache.org>
Subject [jira] [Created] (HAWQ-1788) providing non-empty value for dfs.domain.socket.path in libhdfs
Date Tue, 16 Mar 2021 03:29:00 GMT
Yuan Zhou created HAWQ-1788:
-------------------------------

             Summary: providing non-empty value for dfs.domain.socket.path in libhdfs
                 Key: HAWQ-1788
                 URL: https://issues.apache.org/jira/browse/HAWQ-1788
             Project: Apache HAWQ
          Issue Type: Improvement
          Components: libhdfs
            Reporter: Yuan Zhou
            Assignee: Ruilong Huo


Hi HAWQ developers, 

trying to enable the short-circuit read feature here and i found the default value for dfs.domain.socket.path
is empty string

[https://github.com/apache/hawq/blob/master/depends/libhdfs3/src/common/SessionConfig.cpp#L151]

it looks better to provide an aligned value with the documents from HDFS:

[https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-hdfs/ShortCircuitLocalReads.html]

This would allow users to test against vanilla HDFS setup quickly. 

 



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