libMapRClient for hadoop-0.20.2
Connects to a MapR-FS cluster.
If a connection to the cluster in which the remote host is located already exists, the functions return a handle to this existing connection.
If a connection to the cluster does not already exist, the functions return a handle to a new connection instance.
Note that if
default is used for the
host parameter, this means connect to the first cluster listed in the
MAPR_HOME/conf/mapr-clusters.conf file on the client.
For more information about connections, see Establishing Connections to MapR-FS.
A string containing either a hostname or an IP address of a CLDB node of a MapR-FS cluster.
To connect to the first MapR-FS cluster that is specified in
MAPR_HOME/conf/mapr-clusters.conf on the client, pass the value
default and use the port number 0.
This parameter does not accept NULL as a value.
The port on which the host is listening.
Returns a handle to the connected filesystem, or -1 on error.
Check errno for error codes and meanings.