Operational Changes for 5.2
Summary of operational changes new to Version 5.2
This page describes the operational changes in Version 5.2.0 since Version 5.1.
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.