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Databases

OceanBase DatabaseOceanBase Cloud OceanBase Best Practices

Connectors and Middleware

OceanBase Database Proxy OceanBase Connector/C OceanBase Connector/J OceanBase Connector/ODBC OceanBase Connector/NETOceanBase Command-Line Client

Tools

OceanBase Cloud PlatformOceanBase Migration ServiceOceanBase Developer CenterOceanBase Migration AssessmentOceanBase Admin ToolOceanBase Loader and DumperOceanBase DeployerKubernetes operator for OceanBaseOceanBase Diagnostic Tool OceanBase Binlog Service
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OceanBase Cloud Platform

V3.1.1Community Edition
  • Document Overview
  • Product Introduction
    • What is OceanBase Cloud Platform?
    • System architecture
    • Features
    • Limits
      • System requirements
      • Dependencies
  • Deployment Guide
    • Overview
    • Installation process
    • Installation planning
      • User planning
      • Host planning
      • Disk and directory planning
      • Port planning
    • Prepare for the installation
    • Prepare MetaDB and MonitorDB
      • Deploy OBD
      • Deploy OceanBase Database
      • Create tenants
    • Deploy OCP
    • Check after installation
    • Appendix
      • Install Docker
      • \*-example.yaml
      • Restart OCP
  • User Guide
    • OCP overview
    • Log on to the OceanBase Cloud Platform console
    • Features
      • Clusters
        • Cluster management
        • Cluster overview
        • Overview of the Cluster Details page
      • Tenants
        • Tenant and resource management
        • Tenant overview
        • Overview of the Tenant Details page
      • Hosts
        • Host overview
        • Host details
      • Packages
      • OBProxy
        • OBProxy management overview
        • OBProxy overview
        • OBProxy cluster overview
      • System management
        • Alert overview
        • View tasks
        • Security overview
        • View system parameters
      • Personal center
        • Specify personal information
        • Change the logon password
        • Configure alert subscription
        • Password box
          • Manage connection credentials of an OceanBase cluster
          • Manage connection credentials of an OBProxy
          • Manage connection credentials of a host
        • Log off the OCP console
    • Manage clusters
      • Cluster management operations
      • Basic cluster operations
        • Take over a cluster
        • Create a cluster
        • Delete a cluster
        • Stop a cluster
        • Restart a cluster
        • Manage zones of a cluster
          • Create a zone
          • Restart a zone
          • Stop a zone
          • Delete a zone
        • Manage OBServers of a cluster
          • Add an OBServer
          • Restart an OBServer
          • Stop an OBServer
          • Replace an OBServer
          • Delete an OBServer
        • Create a tenant
        • Upgrade the version of an OceanBase cluster
        • Change a password
        • Download logs
        • Disable SQL collection
        • View the SQL collection history
      • View the topology of a cluster
      • Cluster tenant management overview
      • Performance monitoring
      • Cluster resource management
      • Major compaction management
        • Modify major freeze configurations
        • Major compaction details
        • Major freeze statistics
        • Perform a major compaction
      • Manage parameters
        • View parameters
        • Modify parameters
        • Parameter types
        • View the history of parameter changes
    • Manage tenants
      • Tenant management operations
      • Basic tenant operations
        • Create a tenant
        • Manage unit types
        • Lock a tenant
        • Copy a tenant
        • Delete a tenant
        • Add a replica
        • Change the password of the sys tenant
        • Edit a tenant replica of a zone
        • Delete a tenant replica from a zone
        • Modify zone priorities
        • Modify the whitelist
      • View a tenant topology
      • Database management
      • User management under a MySQL tenant
      • Performance monitoring
      • Tenant resource management
      • SQL diagnostics
        • TopSQL diagnosis
        • Slow SQL diagnosis
      • Manage sessions
        • View tenant sessions
        • View session statistics
      • Manage parameters
        • View the parameters
        • Modify a parameter
        • View the parameter modification history
    • Manage hosts
      • Host management operations
      • Add a host
      • Modify a host
      • Restart OCP Agent
      • Stop OCP Agent
      • Reinstall OCP Agent
    • Manage software packages
      • Upload a software package
      • Download a software package
      • Delete a software package
    • Manage OBProxies
      • Create an OBProxy cluster
      • Take over an OBProxy
      • Delete an OBProxy
      • Restart an OBProxy
      • Upgrade an OBProxy
      • Add an OBProxy
      • Refresh OBProxy configurations
      • Monitor OBProxy cluster performance
      • OBProxy cluster parameter management
      • Add a connectable OceanBase cluster
      • Delete an OBProxy cluster
      • Upgrade all OBProxies in an OBProxy cluster
      • Restart all OBProxies in an OBProxy cluster
      • Delete a connected OceanBase cluster
    • Manage alerts
      • Alert-related concepts
      • Create an alert item
      • View alert items
      • Copy an alert item
      • Edit an alert item
      • Delete an alert item
      • Alert groups
      • Create an alert channel
      • View alert channels
      • Edit an alert channel
      • Delete an alert channel
      • View an alert event
      • View the alert notification history
      • Create a blocking condition
      • Edit alert blocking conditions
      • Delete a blocking condition
      • Add a filtering keyword
      • Modify the expiration time of a filtering keyword
      • Delete a filtering keyword
      • Create an alert subscription
      • Manage alert subscriptions
    • Use system management
      • Role overview
      • Create a role
      • Manage roles
      • Copy a role
      • Create a user
      • View users
      • Edit a user
      • Copy a user
      • Change a user password
      • Delete a user
      • Logon history
      • Manage system parameters
      • Manage tasks
    • FAQ
    • Appendix
      • OCP configuration parameters
      • SQL performance module
      • OCP resource unit specifications
      • OCP error table
      • OCP alert template variables
      • Call an alert API
      • OCP background tasks
      • Monitoring metrics
      • Examples of alert channel configuration
      • OBProxy startup parameters
      • System privileges in a MySQL tenant
      • Component listening port list
      • OCP-Agent processes
      • Enable the OCP multi-cluster mode
      • Log error PAM Permission Denied
      • Failed to upload the software package
      • Check the sudo permissions of a user
      • Default OCP roles
      • FAQ about multi-zone mode
      • FAQ about OBProxy takeover
      • Install dependent software
  • Alert Reference
    • Overview
    • OceanBase alerts
      • ob_cannot_connected
      • ob_cluster_status_check_failed
      • ob_cluster_exists_inactive_server
      • ob_cluster_exists_index_fail_table
      • ob_cluster_frozen_version_delta_over_threshold
      • ob_cluster_merge_error
      • ob_cluster_merge_timeout
      • ob_cluster_no_frozen
      • ob_cluster_no_merge
      • ob_cluster_operation_info
      • ob_cluster_sync_failed
      • ob_cpu_assigned_percent_over_threshold
      • ob_cpu_percent_over_threshold
      • ob_host_connection_percent_over_threshold
      • ob_host_cpu_percent_over_threshold
      • ob_host_disk_percent_over_threshold
      • ob_host_disk_readonly
      • ob_host_exists_expired_trans
      • ob_host_load1_per_cpu_over_threshold
      • ob_host_mem_percent_over_threshold
      • ob_host_net_recv_percent_over_threshold
      • ob_host_net_send_percent_over_threshold
      • ob_host_partition_count_over_threshold
      • ob_host_tcp_retrans_percent_over_threshold
      • ob_log_alarm
      • ob_mem_assigned_percent_over_threshold
      • ob_server_sstable_percent_over_threshold
      • ob_server_exists_long_lived_trans
      • ob_tenant_operation_info
      • ob_tenant500_mem_hold_over_threshold
      • ob_tenant500_mem_hold_percent_over_threshold
      • ob_zone_sstable_percent_over_threshold
      • tenant_active_memstore_percent_over_threshold
      • tenant_connection_percent_over_threshold
      • tenant_cpu_percent_over_threshold
      • tenant_memstore_percent_over_threshold
      • obproxy_process_dead
      • obproxyd_process_dead
      • obproxy_cannot_connected
      • ob_cluster_sync_delay_time_too_long
      • ob_host_data_disk_percent_over_threshold
      • ob_host_log_disk_percent_over_threshold
      • ob_host_install_disk_percent_over_threshold
    • Application alerts
      • no_enough_exporter
      • no_port_mapping_for_exporter
      • host_unavailable
      • backup_schedule_fail
      • inc_backup_delay
      • base_backup_fail
      • base_backup_too_long_time_no_one_success_task
      • backup_process_dead
      • backup_storage_capacity_over_threshold
      • backup_storage_capacity_retry_times_exceeded
      • backup_storage_capacity_timeout_or_interrupted
      • ocp_remote_server_time_diff_too_large
      • monitor_exporter_unavaliable
      • system_obproxy_unavailable
      • host_ntp_service_not_exist
      • partition_create_failed
      • obagent_dead
      • host_ntp_offset_too_large
    • Appendix
      • Set an alert-blocking condition
      • Modify alert thresholds
      • Exception handling for OceanBase cluster compaction
      • OCP-Agent script
      • Apply throttling to an OceanBase cluster
      • Network troubleshooting
  • API Reference
    • Overview
    • API call description
    • Cluster information
      • Query clusters
      • Create an OceanBase cluster
      • Delete an OceanBase cluster
      • Stop an OceanBase cluster
      • Start an OceanBase cluster
      • Restart an OceanBase cluster
      • Upgrade an OceanBase cluster
      • Query zones of an OceanBase cluster
      • Create a zone for an OceanBase cluster
      • Delete a zone from an OceanBase cluster
      • Stop a zone in an OceanBase cluster
      • Start a zone in an OceanBase cluster
      • Restart a zone in an OceanBase cluster
      • Add an OBServer
      • Delete multiple OBServers at a time
      • Stop an OBServer
      • Start an OBServer
      • Restart an OBServer
      • Replace an OBServer
      • Change the password of an OceanBase cluster
      • Query the parameter metadata of an OceanBase cluster
      • Query parameters of an OceanBase cluster
      • Modify parameters of an OceanBase cluster
      • Query servers
      • Query servers in a zone
    • Tenant information
      • Query tenants of a cluster
      • Query all tenants
      • Query details about a tenant
      • Create a tenant
      • Delete a tenant
      • Lock a tenant
      • Unlock a tenant
      • Query units of a tenant
      • Delete a unit from a tenant
      • Add a replica for a tenant
      • Delete a replica of a tenant
      • Modify a replica of a tenant
      • Modify zone priorities of a tenant
      • Change the administrator password of a tenant
      • Modify the whitelist of a tenant
      • Query parameters of a tenant
      • Modify parameters of a tenant
      • OceanBase database management
        • Query databases
        • Create a database
        • Modify a database
        • Delete a database
    • Hosts
      • Query regions
      • Query details about a region
      • Add a region
      • Delete a region
      • Query IDCs
      • Query details about an IDC
      • Add an IDC
      • Delete an IDC
      • Query host types
      • Query details about a host type
      • Add a host type
      • Delete a host type
      • Query hosts
      • Query details about a host
      • Add multiple hosts at a time
      • Delete a host
      • Delete multiple hosts at a time
    • Software packages
      • Query software packages
      • Upload a software package
      • Delete a software package
    • OBProxy management
      • Create an OBProxy cluster
      • Delete an OBProxy cluster
      • Query OBProxy clusters
      • Query details about an OBProxy cluster
      • Update configurations of an OBProxy cluster
      • Add an OBProxy
      • Take over an OBProxy
      • Delete an OBProxy
      • Restart an OBProxy
      • Upgrade an OBProxy
      • Add a connectable OceanBase cluster for an OBProxy cluster
      • Remove a connectable OceanBase cluster from an OBProxy cluster
      • Query the parameter metadata of an OBProxy
      • Query parameters of an OBProxy cluster
    • Monitoring
      • Query the metadata of a monitoring metric
      • Query monitoring data
      • Query monitoring data and attach a tag to the data
    • Alerts
      • Alert events
        • Query the alert event list
        • Query alert events
      • Alert notifications
        • Query alert notifications
    • Task management
      • Query tasks
      • Query details about a task
      • Retry a task
      • Roll back a task
      • Query logs of a subtask instance
      • Retry a subtask
      • Skip a subtask
      • Cancel a subtask
    • OceanBase user and privilege management
      • Query database user details
      • Query database user details
      • Create a database user
      • Delete a database user
      • Change the password of a database user
      • Lock a database user
      • Unlock a database user
      • Query the database role details
      • Query database role details
      • Create a database role
      • Delete a database role
      • Query database objects
      • Grant global privileges to a user
      • Revoke global privileges of a user
      • Change global privileges of a user
      • Grant global privileges to a role
      • Revoke global privileges of a role
      • Change global privileges of a role
      • Grant roles to a user
      • Revoke roles of a user
      • Change roles of a user
      • Grant roles to a role
      • Revoke roles of a role
      • Change roles of a role
      • Grant database privileges to a user
      • Revoke database privileges of a user
      • Change database privileges of a user
      • Grant object privileges to a user
      • Revoke object privileges of a user
      • Change object privileges of a user
      • Grant object privileges to a role
      • Revoke object privileges of a role
      • Change object privileges of a role
    • OCP Agent management
      • Query OCP Agent details on a host
      • Stop basic OCP Agent processes on a host
      • Batch stop basic OCP Agent processes on a host
      • Restart basic OCP Agent processes on a host
      • Batch restart basic OCP Agent processes on a host
      • Query OCP Agent processes on a host
      • Restart OCP Agent processes on a host
      • Stop OCP Agent processes on a host
    • SQL performance
      • Query performance indicators of an SQL statement
      • Query the performance indicator trend of an SQL statement
      • Query SQL text
      • Query performance indicators of an execution plan
      • Query the performance indicator trend of an execution plan
      • Query the operator structure of an execution plan
    • Others
      • Query the basic information of an OCP application
      • Query OCP server time
      • Query OCP application status
    • Appendix
      • Task information

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  3. V3.1.1

Modify a host

Last Updated:2026-09-04 10:28:16

Procedure

This topic describes how to modify a host.

Procedure

  1. Log on to the OCP console.

  2. In the left-side navigation pane, click Hosts .

  3. Click Modify next to the host to modify.

    1

  4. In the dialog box that appears, you can modify the host IP address, SSH port, host type, data center, type, credentials, host alias, and description.

  5. Click OK .

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