OceanBase logo

OceanBase

A unified distributed database ready for your transactional, analytical, and AI workloads.

Product Overview
DEPLOY YOUR WAY

OceanBase Cloud

The best way to deploy and scale OceanBase

OceanBase Enterprise

Run and manage OceanBase on your infra

TRY OPEN SOURCE

OceanBase Community Edition

The free, open-source distributed database

OceanBase seekdb

Open source AI native search database

Customer Stories

Real-world success stories from enterprises across diverse industries.

View All
BY USE CASES

Mission-Critical Transactions

Global & Multicloud Application

Elastic Scaling for Peak Traffic

Real-time Analytics

Active Geo-redundancy

Database Consolidation

Resources

Comprehensive knowledge hub for OceanBase.

Blog

Live Demos

Training & Certification

Documentation

Official technical guides, tutorials, API references, and manuals for all OceanBase products.

View All
PRODUCTS

OceanBase Cloud

OceanBase Database

Tools

Connectors and Middleware

QUICK START

OceanBase Cloud

OceanBase Database

BEST PRACTICES

Practical guides for utilizing OceanBase more effectively and conveniently

Company

Learn more about OceanBase – our company, partnerships, and trust and security initiatives.

About OceanBase

Partner

Trust Center

Contact Us

International - English
中国站 - 简体中文
日本 - 日本語
Sign In
Start on Cloud

OceanBase

A unified distributed database ready for your transactional, analytical, and AI workloads.

Product Overview
DEPLOY YOUR WAY

OceanBase Cloud

The best way to deploy and scale OceanBase

OceanBase Enterprise

Run and manage OceanBase on your infra

TRY OPEN SOURCE

OceanBase Community Edition

The free, open-source distributed database

OceanBase seekdb

Open source AI native search database

Customer Stories

Real-world success stories from enterprises across diverse industries.

View All
BY USE CASES

Mission-Critical Transactions

Global & Multicloud Application

Elastic Scaling for Peak Traffic

Real-time Analytics

Active Geo-redundancy

Database Consolidation

Comprehensive knowledge hub for OceanBase.

Blog

Live Demos

Training & Certification

Documentation

Official technical guides, tutorials, API references, and manuals for all OceanBase products.

View All
PRODUCTS
OceanBase CloudOceanBase Database
ToolsConnectors and Middleware
QUICK START
OceanBase CloudOceanBase Database
BEST PRACTICES

Practical guides for utilizing OceanBase more effectively and conveniently

Learn more about OceanBase – our company, partnerships, and trust and security initiatives.

About OceanBase

Partner

Trust Center

Contact Us

Start on Cloud
编组
All Products
    • Databases
    • iconOceanBase Database
    • iconOceanBase Cloud
    • iconOceanBase Tugraph
    • iconInteractive Tutorials
    • iconOceanBase Best Practices
    • Tools
    • iconOceanBase Cloud Platform
    • iconOceanBase Migration Service
    • iconOceanBase Developer Center
    • iconOceanBase Migration Assessment
    • iconOceanBase Admin Tool
    • iconOceanBase Loader and Dumper
    • iconOceanBase Deployer
    • iconKubernetes operator for OceanBase
    • iconOceanBase Diagnostic Tool
    • iconOceanBase Binlog Service
    • Connectors and Middleware
    • iconOceanBase Database Proxy
    • iconEmbedded SQL in C for OceanBase
    • iconOceanBase Call Interface
    • iconOceanBase Connector/C
    • iconOceanBase Connector/J
    • iconOceanBase Connector/ODBC
    • iconOceanBase Connector/NET
icon

OceanBase Database

SQL - V4.1.0

    Download PDF

    OceanBase logo

    The Unified Distributed Database for the AI Era.

    Follow Us
    Products
    OceanBase CloudOceanBase EnterpriseOceanBase Community EditionOceanBase seekdb
    Resources
    DocsBlogLive DemosTraining & CertificationTicket
    Company
    About OceanBaseTrust CenterLegalPartnerContact Us
    Follow Us

    © OceanBase 2026. All rights reserved

    Cloud Service AgreementPrivacy PolicySecurity
    Contact Us
    Document Feedback
    1. Documentation Center
    2. OceanBase Database
    3. SQL
    4. V4.1.0
    iconOceanBase Database
    SQL - V 4.1.0
    Databases
    • OceanBase Database
    • OceanBase Cloud
    • OceanBase Tugraph
    • Interactive Tutorials
    • OceanBase Best Practices
    Tools
    • OceanBase Cloud Platform
    • OceanBase Migration Service
    • OceanBase Developer Center
    • OceanBase Migration Assessment
    • OceanBase Admin Tool
    • OceanBase Loader and Dumper
    • OceanBase Deployer
    • Kubernetes operator for OceanBase
    • OceanBase Diagnostic Tool
    • OceanBase Binlog Service
    Connectors and Middleware
    • OceanBase Database Proxy
    • Embedded SQL in C for OceanBase
    • OceanBase Call Interface
    • OceanBase Connector/C
    • OceanBase Connector/J
    • OceanBase Connector/ODBC
    • OceanBase Connector/NET
    SQL
    KV
    • V 4.6.0
    • V 4.4.2
    • V 4.3.5
    • V 4.3.3
    • V 4.3.1
    • V 4.3.0
    • V 4.2.5
    • V 4.2.2
    • V 4.2.1
    • V 4.2.0
    • V 4.1.0
    • V 4.0.0
    • V 3.1.4 and earlier

    V$OB_UNITS

    Last Updated:2025-12-09 07:09:36  Updated
    Share
    What is on this page
    Feature
    Fields

    folded

    Share

    Feature

    This view displays the information about the units on the current OBServer node.

    Fields

    Field
    Type
    Nullable
    Description
    SVR_IP varchar(46) NO The IP address of the OBServer.
    SVR_PORT bigint(20) NO The port number of the OBServer.
    UNIT_ID bigint(20) NO The ID of the unit.
    TENANT_ID bigint(20) NO The ID of the tenant to which the unit belongs.
    ZONE varchar(128) NO The name of the zone.
    MAX_CPU double NO The maximum number of CPU cores.
    MIN_CPU double NO The minimum number of CPU cores.
    MEMORY_SIZE bigint(20) NO The memory size. Unit: byte.
    MAX_IOPS bigint(20) NO The maximum disk IOPS.
    MIN_IOPS bigint(20) NO The minimum disk IOPS.
    IOPS_WEIGHT bigint(20) NO The IOPS weight.
    LOG_DISK_SIZE bigint(20) NO The size of the log disk.
    LOG_DISK_IN_USE bigint(20) NO The used size of the log disk.
    DATA_DISK_IN_USE bigint(20) NO The used size of the data disk.
    STATUS varchar(64) NO The status of the unit. Valid values:
  • NORMAL: The unit is normal.
  • MIGRATING IN: Data is being migrated into the unit.
  • MIGRATING OUT: Data is being migrated out of the unit.
  • MARK DELETING: The unit is marked as deleted.
  • WAIT GC: The unit is waiting for garbage collection (GC).
  • DELETING: GC has been completed, and the unit is being deleted.
  • ERROR: An error occurred.
  • CREATE_TIME timestamp(6) NO The time when the unit was created on the OBServer node.

    Previous topic

    V$OB_TRANSACTION_PARTICIPANTS
    Last

    Next topic

    V$STATNAME
    Next
    What is on this page
    Feature
    Fields