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OceanBase Loader and Dumper

V4.1.0Community Edition
  • Document Overview
  • Product Introduction
  • Preparations
    • Prepare the environment
    • Download OBLOADER
  • User Guide (OBLOADER)
    • Overview
    • Command-line options
    • Data processing
      • Define control files
      • Preprocessing functions
      • Case expressions
    • Performance tuning
    • Scenarios and examples
    • FAQ
  • User Guide (OBDUMPER)
    • Overview
    • Command-line options
    • Data processing
      • Define control files
      • Preprocessing functions
      • Case expressions
    • Performance tuning
    • Scenarios and examples
    • FAQ

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  1. Documentation Center
  2. OceanBase Loader and Dumper
  3. V4.1.0

Prepare the environment

Last Updated:2026-09-04 08:20:54

Operating environment configurations
Privileges

Before you run OBLOADER & OBDUMPER, make sure that you have the appropriate operating environment and privileges.

Operating environment configurations

Configuration item
Requirements
OS Linux, macOS, and Windows 7 or later
Java environment Install Oracle JDK 1.8, and configure the JAVA_HOME environment variable. We do not recommend that you use OpenJDK.
Character set We recommend that you use UTF-8 as the file character set.
Java virtual machine (JVM) parameters Modify the JVM memory parameter in the bin/obloader and bin/obloader script to avoid JVM memory insufficiency.

Privileges

When you connect OBLOADER & OBDUMPER to OceanBase Database and use this tool to import data, you must have the following privileges:

  • The user account that you use to connect to OceanBase Database must have the privileges to execute the SELECT, INSERT, MERGE, and UPDATE statements.

  • In non-limited mode, the --sys-user and --sys-password options must be specified for OBLOADER & OBDUMPER.

    Notice
    The --sys-user and --sys-password options must be set to the username and password of a user with system table and view query privileges under the SYS tenant.

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