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OceanBase Cloud Platform

V3.1.2Enterprise Edition

Document Overview
What's New?
- Product updates
Product Introduction
- What is OceanBase Cloud Platform?
- System architecture
- Features
- Limits
  - System requirements
  - Dependencies
Deployment Guide
- Product Introduction
  - What is OceanBase Cloud Platform?
  - System architecture
- Deployment
  - Overview
  - Deploy OCP on a single node
  - Deploy OCP clusters in the multi-cluster mode
- Plan resources
  - OCP-Server specifications
  - MetaDB resources
  - MonitorDB resources
  - Host resources
- Prepare the deployment environment
  - Standardize a host
  - Check the environment
- Deploy OCP on a single node
  - Prepare installation media
  - Generate a configuration file
  - Multi-zone deployment
  - Deploy OCP
  - Register an OCP cluster
  - Initialize system parameters
- Check after deployment
- Deployment FAQ
  - Optimize MonitorDB parameters
  - F5 Big-IP LTM and alert configuration
    - Connect OBProxy to F5 Big-IP LTM
    - Connect OCP-Console to F5 Big-IP LTM
    - Monitor the OCP service health
  - Ubuntu deployment FAQ
  - EulerOS deployment FAQ
  - Client requirements
  - Start and stop OCP
Quick Start
- OCP operations
- Upload a software package
- Add a host
- Create a cluster
- Create a tenant
- Create a user
- Create an OBProxy cluster
User Guide
- OCP overview
- Log on to the OCP 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
  - Backup and recovery
    - Overview
    - Backup and recovery overview
    - Backup overview
    - Restoration overview
    - Services
  - System management
    - Alert overview
    - View tasks
    - Inspection
    - Security overview
    - View system parameters
    - Historical events
    - OCP multi-cluster mode
    - Multi-zone overview
  - Personal center
    - Specify personal information
    - Change the logon password
    - Alert subscription settings
    - 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
    - Create a standby cluster
    - Routine primary/standby cluster switchover
    - Primary/Standby cluster switchover for disaster recovery
    - Download logs
    - Disable SQL collection
    - View the SQL collection history
  - View the topology of a cluster
  - Cluster tenant management overview
  - Performance monitoring
  - Performance report
  - Cluster resource management
  - Health inspection
  - Major compaction management
    - Modify major freeze configurations
    - Major compaction details
    - Major freeze statistics
    - Perform a major compaction
  - Cluster backup and recovery
  - 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
    - Create a user under an Oracle tenant
    - 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
  - User management under an Oracle tenant
    - User overview under an Oracle tenant
    - Create a user under an Oracle tenant
    - Change the password of a user under an Oracle tenant
    - Delete a user under an Oracle tenant
    - Create a role under an Oracle tenant
    - Manage users
    - Manage roles
  - Performance monitoring
  - Tenant resource management
  - SQL diagnostics
    - Suspected SQL diagnosis
    - TopSQL diagnosis
    - Slow SQL diagnosis
  - Back up and recover a tenant
  - Manage sessions
    - View tenant sessions
    - View session statistics
    - View deadlock analysis
    - Manage ASH report
  - 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
- Use backup and recovery
  - Backup and recovery management operations
  - Backup and recovery guide
  - Create a backup strategy
  - Back up now
  - Create a sampling strategy for recovery
  - Initiate a recovery
  - Install a service
  - Add a node
  - Upgrade the version of a service
  - Update service configurations
  - Copy a service
  - Delete a service
  - Stop a service on a node
  - Restart a service on a node
  - View operation and maintenance tasks
  - Uninstall a service on a node
- 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
  - Use the inspection feature
    - Initiate an inspection
    - Create an inspection rule
    - Modify inspection scheduling
    - Modify an inspection rule
    - Delete an inspection rule
    - View inspection rules
- Manage OCP clusters in the multi-cluster mode
  - Register an OCP cluster
  - Leader \& Follower Details
  - Manage OCP cluster parameters
  - Switch an OCP cluster in daily maintenance
  - Switch an OCP cluster in a failover
  - Delete a faulty follower OCP cluster
  - Unbind a leader and a follower OCP cluster
- Manage OCP in multi-zone mode
  - View details of multiple zones
  - Manage parameters in multi-zone mode
- 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
Troubleshooting
- Failed to upload the software package
- Do IO Bench error
- Check the sudo permissions of a user
- Log error PAM Permission Denied
- Resolve the problem of no sudo permissions when adding a host
- Questions about OCP-Agent
  - Exceptions of the ocp_agent processes
  - System resource constraints and PAM
- Appendix
  - Processes
  - OCP-Agent O\&M script
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_offset_too_large
  - host_ntp_service_not_exist
  - partition_create_failed
  - obagent_dead
- 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
  - Tables managed by the daemon
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
- OCP event history
  - Query event history
- 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
- Backup and recovery
  - Query backup capabilities of a cluster
  - Create a backup strategy for a cluster
  - Modify the backup strategy of a cluster
  - Delete the backup strategy of a cluster
  - Query the backup strategy of a cluster
  - Query the backup overview of a cluster
  - Query data backup tasks of a cluster
  - Query log backup tasks of a cluster
  - Query recovery tasks of a cluster
  - Immediately back up a cluster
  - Parse cluster backup data
  - Initiate tenant recovery
- Others
  - Query the basic information of an OCP application
  - Query OCP server time
  - Query OCP application status
- Appendix
  - Task information
  - View alerts through APIs
FAQ
- FAQ on deployment
- FAQ on upgrade
- FAQ on monitoring
  - FAQ on monitoring metrics
  - FAQ on SQL monitoring
  - FAQ about resource usage
- FAQ on alerts
- FAQ on O&M
  - FAQ on accounts and passwords
  - FAQ on host management
  - FAQ on OceanBase clusters
  - FAQ on OceanBase tenants
  - FAQ on OBProxy
  - FAQ on the OCP software package
  - FAQ on backup and recovery
- FAQ on the OCP system
- OCP multi-cluster FAQ