Note the following functional changes in Version 5.2.0.
hadoop mfs Command
To set and retrieve hard links, the hadoop mfs command now includes the following options:
-lnh: sets hard links.
-stat: retrieves hard links.
For more information, see hadoop mfs
To set, remove, and retrieve extended attributes, the hadoop fs command now includes the following options:
-setfattr: sets or removes extended attributes.
-getfattr: retrieves extended attributes.
For more information, see hadoop fs.
maprcli Commands and Utilities
The following commands are new:
maprcli entity remove - to remove an entity by name and type. For more information, see entity remove.
mrconfig info nfsthreads - to display information about NFS operations in-progress. For more information, see mrconfig info nfsthreads.
Replication for JSON tables at the column-level is added by expanding the -columns option for the following commands:
maprcli table replica add
maprcli table replica autosetup
maprcli table replica edit
For more information, see table replica
The following parameters were added to configure.sh for MapR Monitoring configuration:
-ES: Specifies a comma-separated list of host names or IP addresses that identify the Elasticsearch nodes
-ESDB: Specifies a non-default location for writing index data on Elasticsearch nodes.
-OT: Specifies a comma-separated list of host names or IP addresses that identify the OpenTSDB nodes.
For more information, see configure.sh.