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From Jun Li <jltz922...@gmail.com>
Subject whether dfs.domain.socket.path is supported in Hadoop 1.1?
Date Tue, 10 Sep 2013 18:30:46 GMT

In the link,

the explanation:

is that:

"Optional. This is a path to a UNIX domain socket that will be used for
communication between the DataNode and local HDFS clients. If the string
"_PORT" is present in this path, it will be replaced by the TCP port of the

I am trying to evaluate the short-circuit read and find that typically this
dfs.domain.socket.path is used in conjunction to enabling the short circuit
for HDFS.

I am using Hadoop 1.1.2. And from the source code of Hadoop 1.1.2, I can
not find the configuration parameter of this "dfs.domain.socket.path" and I
wonder whether this parameter setting only gets used by  Hadoop 2.*

Could you provide explanation on this about the Hadoop version support?



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