MapR 5.1 is at End of Life (EOL) and no longer supported. Please see the latest documentation. This documentation is not being updated.

5.1 Reference
This section provides information about development content including MapR-FS and MapReduce development topics and reference content.
- Development Guide
- Reference Guide
  - MapR Control System
  - Hadoop Commands
  - HBase Shell for MapR-DB
    You can manage MapR-DB tables using HBase shell commands and additional HBase shell commands included in the MapR distribution of Hadoop.
  - YARN commands
  - maprcli and REST API Syntax
  - Alarms Reference
  - Utilities
    - configure.sh
    - disksetup
    - fcdebug
      Dynamically set the loglevel to debug a library.
    - fsck
    - expandaudit
    - gfsck
    - mapr-support-collect.sh
    - mapr-support-dump.sh
    - mrconfig
    - pullcentralconfig
    - cldbguts
    - stubfuse
    - Utilities for MapR-DB Binary Tables
    - Utilities for MapR-DB JSON Tables
      - mapr dbshell
        The mapr dbshell is a tool for the creation and the lightweight manipulation of JSON tables and documents.
      - mapr copytable
        Copies data from one MapR-DB JSON table to another MapR-DB JSON table.
      - mapr difftables
        Compares the row keys, column families, and field values in two JSON tables. Then, generates two directories that contain sequence files that you can use to merge the rows from the two JSON tables.
      - mapr difftableswithcrc
        This utility uses a cyclic redundancy check to detect differences between sets of rows in the specified MapR-DB JSON tables. Then, for each set of non-identical rows, it performs a detailed comparison. Finally, it generates one or more directories of sequence files. You can use these files either to merge the rows from two MapR-DB JSON tables.
      - mapr formatresult
        Parses a sequence file generated by the difftables utility for JSON tables and converts the results into a format that makes the results easier to understand.
      - mapr exporttable and mapr importtable
        Use these utilities together to export data from JSON tables into binary sequence files, and then import the data from the binary sequence files into other JSON tables. You can also use the mapr importtable utility to import changes that are specified in sequence files output by the mapr difftables utility.
      - mapr importJSON
        Imports one or more JSON documents into a MapR-DB JSON table. The JSON documents must be flat text files.
    - Utilities for MapR Streams
  - Default MapR Configurations
  - Configuration Files
  - MapR Environment
  - MapR Parameters
  - Best Practices
  - Language Support for MapR-DB Tables
  - Glossary
    This section contains defintions for commonly used terms in MapR Converged Data Platform environments.
  - Source Code for MapR Software
- Glossary
  This section contains defintions for commonly used terms in MapR Converged Data Platform environments.

Utilities for MapR-DB JSON Tables

You can use the following utilities with MapR-DB JSON tables: