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
  - 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.

Quota Defaults

The Configure Quota Defaults dialog lets you set the default quotas that apply to users and groups.

Use one-letter abbreviations to specify units for default quotas: 500M, 128G, for example. Do not use two-letter abbreviations, such as MB or GB.

The User Quota Defaults section contains the following fields:

Default User Advisory Quota - if selected, sets the advisory quota that applies to all users without an explicit advisory quota.
Default User Total Quota - if selected, sets the advisory quota that applies to all users without an explicit total quota.

The Group Quota Defaults section contains the following fields:

Default Group Advisory Quota - if selected, sets the advisory quota that applies to all groups without an explicit advisory quota.
Default Group Total Quota - if selected, sets the advisory quota that applies to all groups without an explicit total quota.

Buttons:

OK - saves the settings
Cancel - exits without saving the settings