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OceanBase Cloud Platform

V4.4.2

What's New
- Product Updates
Product Introduction
- What is OceanBase Cloud Platform
- Differences between Enterprise Edition and Community Edition
- System architecture
- Features
- Limits
  - System requirements
  - Dependencies
Deploy OceanBase Cloud Platform (OCP)
- Deploy OceanBase Cloud Platform (OCP) Enterprise Edition
  - Deployment overview
    - Deploy OCP cluster in the Single-node
    - Deploy OCP cluster in the High-availability
  - Prepare the deployment environment
    - Install OAT
    - Add a server
    - Check the environment
  - Deploy OCP
    - Plan resources
      - Host resources
      - OCP service configuration requirements
      - Planning resources of a single node OCP
        OCP-Server specifications
        MetaDB resources
        MonitorDB resources
        Host resources
      - MetaDB Resources
      - Planning resources of a high availability OCP
        OCP-Server specifications
        MetaDB resources
        MonitorDB resources
        Host resources
      - MonitorDB Resources
    - Deploy OCP
      - Prepare installation media
      - Deploying a single point of OCP
        Prepare installation media
        Create MetaDB
        Install OCP
        Initialize system parameters
      - Create MetaDB
      - Deploying a high availability of OCP
        Prepare installation media
        Create MetaDB
        Install OCP
        Register an OCP cluster
        Initialize system parameters
      - Install 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
  - Appendix
    - Uninstall OCP
    - Check the NTP offset
- Deploy OceanBase Cloud Platform (OCP) Community Edition
  - Overview
  - Installation process
  - Installation planning
    - User planning
    - Host planning
    - Disk and directory planning
    - Port planning
  - Prepare for the installation
  - Deploy OCP on the GUI
  - Use Docker to deploy OCP
  - Post-deployment check
  - Appendix
    - Install Docker
    - Uninstall OCP
    - Restart OCP
    - FAQ about deployment
Upgrade OceanBase Cloud Platform (OCP)
- Upgrade OceanBase Cloud Platform (OCP) Enterprise Edition
  - Overview
  - Considerations
  - Preparations
  - Upgrade OCP
    - Take over OCP
    - Upgrade OCP
  - Verify after upgrade
    - Verify the cluster feature
    - Verify the tenant feature
    - Verify the host feature
    - Verify the software package feature
    - Verify the OBProxy feature
    - Verify the backup and restore feature
    - Verify alerts
    - Verify the task feature
    - Verify the password box feature
  - Appendix
    - Change a user's password
    - Version mapping
- Upgrade OceanBase Cloud Platform (OCP) Community Edition
  - Upgrade OCP on the GUI
  - Upgrade OCP using Docker containers
  - Post-upgrade check
Quick Start
- OCP operations
- Log on to the OCP console
- Upload a software package
- Add hosts
- Create a cluster
- Create a primary tenant
- Create a user
- Create an OBProxy cluster
Cluster Management
- Overview
- Create a cluster
  - Create a distributed cluster
  - Create a standalone deployment
- Manage clusters
  - Create a standby cluster
  - View details of a cluster
  - Scale a standalone system to a distributed cluster
  - Take over a cluster
  - Restart a cluster
  - Stop a cluster
  - Move out a cluster
  - Delete a cluster
  - Change the password
  - Manage Arbitration Service of a cluster
    - Add an arbitration service
    - Add an arbitration service group
    - Replace the arbitration service for a cluster
    - Remove an arbitration service
  - Enable automatic detection of deadlocks
  - Disable automatic detection of deadlocks
  - Manage O&M configuration
    - Overview
    - Manage parameters
    - View the parameter modification history
    - Configure resources for OCP Agent
  - Manage CPU binding configurations
  - View tenant-level information
  - Import a license
  - View the license
- Manage zones of a cluster
  - Add a zone
  - Edit a zone
  - Restart a zone
  - Stop a zone
  - Delete a zone
- Manage OBServers of a cluster
  - Add an OBServer node
  - Restart a faulty OBServer node
  - Stop an OBServer service
  - Stop an observer process
  - Replace an OBServer node
  - Reinstall an OBServer
  - Delete an OBServer
- Upgrade version
- View the topology of a cluster
- Overview of cluster tenant management
- View real-time monitoring data
- Manage cluster resource
  - View the unit distribution
  - View resource usage
- Manage major compaction of a cluster
  - Modify the major compaction settings of a cluster
  - Perform a major compaction
  - View details of a major compaction
  - View statistics of a major compaction
  - View the major compaction records
- Manage security configurations
  - Manage SSL Link Encryption
  - Manage Transparent Data Encryption (TDE)
- Manage SQL Audit
- Manage cluster parameters
  - Parameter types
  - View parameters
  - Modify parameters
  - View the history of parameter changes
- Manage Arbitration Services
  - Arbitration service Overview
  - Create an arbitration service
  - Take over an arbitration service
  - Stop an arbitration service
  - Start an arbitration service
  - Upgrade an arbitration service
  - Restart an arbitration service
  - Migrate an arbitration service
  - Replace an arbitration service
  - Associate a cluster
  - Dissociate an arbitration service
  - Delete an arbitration service
- Manage Service Groups
  - Overview
  - Create an arbitration service group
  - Upgrade an arbitration service group
  - Edit an arbitration service group
  - Delete an arbitration service group
- Manage cluster parameter templates
Tenant Management
- Tenant and resource management
- View tenant overview information
- Create a primary tenant
- Manage tenants
  - Overview
  - Create a standby tenant
  - Copy a tenant
  - Rename a tenant
  - Lock a tenant
  - Clone a tenant
  - Delete a tenant
  - Change the password of the sys tenant
  - Change the synchronization configuration
  - Enable Asymmetric Zone
  - Configure full link tracking for a tenant
  - Manage tenant parameters
  - Change the primary/standby protection mode
  - Modify the allowlist of a tenant
  - Modify the zone priority
  - Manage the binlog service for a tenant
  - Manage service names
- Manage topulogy of a tenant
  - View tenant topology
  - View the topology of the primary/standby relationships of a tenant
- Manage replicas of a tenant
  - Add a replica
  - Edit tenant replicas in a zone
  - Delete a tenant replica from a zone
  - Delete a unit
- Manage databases
- Manage users and permissions under a tenant
  - Manage users in a MySQL tenant
  - Manage user under an Oracle tenant
    - User overview under an Oracle tenant
    - Create a user under an Oracle tenant
    - Lock an Oracle tenant user
    - 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
  - System permissions
- Manage resource isolation
  - Overview
  - Create a resource group
  - Create a resource isolation plan
  - Enable or disable a resource isolation plan
  - Modify a resource isolation plan
  - Delete a resource isolation plan
  - Modify a resource group
  - Delete a resource group
- Manage the resources of a tenant
- Manage major compaction under a tenant
  - Modify major compaction settings of a tenant
  - View details of tenant major compaction
  - Perform a major compaction
  - View the major compaction records
- Manage statistical information
  - Overview
  - Collect statistics
  - Manage statistics collection tasks
- Manage tenant parameters
  - View the parameters
  - Modify a parameter
  - View the parameter modification history
- Manage unit specifications
- View OCP resource unit specifications
- Manage tenant parameter templates
OBProxy Management
- OBProxy management overview
- View details on the OBProxy page
- Create an OBProxy cluster
- Manage OBProxy Clusters
  - View details on the Overview page of an OBProxy cluster
  - Add a connectable OceanBase cluster
  - Manage load balancing
  - Change the password of the proxysys user
  - Change the password of the proxyro user
  - Move out an OBProxy cluster
  - Delete an OBProxy cluster
  - Upgrade an OBProxy cluster
  - Manage CPU core binding configurations
  - Stop or start an ODP cluster
  - Restart an ODP cluster
  - Delete a connected OceanBase cluster
  - Manage the proxyro account
- Manage OBProxy Servers
  - Add an OBProxy
  - Take over OBProxy
  - Delete an OBProxy
  - Restart an OBProxy
  - Stop or start an OBProxy
  - Remove an OBProxy
  - Launch an OBProxy
  - Upgrade an OBProxy
  - Refresh OBProxy configurations
- Request analysis
- Manage security configurations
- Manage OBProxy cluster parameters
- Client configuration
- Manage OBProxy parameter templates
- OBProxy parameters descpription
Binlog Service Management
- Overview of Binlog service
- Create a binlog cluster
- Manage Binlog Clusters
  - View information about a binlog cluster
  - Upgrade a binlog cluster
  - Start and stop a binlog cluster
  - Restart a binlog cluster
  - Delete a binlog cluster
  - Manage binlog cluster parameters
- Manage Binlog Instance
  - View a binlog instance
  - Add an instance replica
  - Configure throttling
  - Start and stop a binlog instance
  - Restart a binlog instance
  - Switch primary and standby instances
  - Delete a Binlog instance
  - Manage binlog instance parameters
- Manage Binlog Server
  - Add a binlog node
  - Start and stop a binlog server
  - Delete a binlog server
  - Clear binlog instances on a host
- Manage binlog parameter templates
Host Management
- Manage hosts
  - Host management operations
  - View host details
  - Add a host
  - View the details of tasks on a host
  - Modify a host
  - Restart OCP-Agent
  - Reinstall OCP Agent
  - Remove a host
  - Check host standardization
  - Host standardization check items
  - OCP-Agent processes
  - OCP-Agent O&M Script Instructions
- Manage Host Types
- Manage IDCs
- Manage Regions
Alert Management
- Overview
- Alert-related concepts
- View the alert overview
- Manage alert rules
  - Create an alert rule
  - View an alert rule
  - Copy an alert rule
  - Edit an alert rule
  - Delete an alert rule
  - Alert rule groups
  - Export alert rule configurations
- Manage alert templates
  - Create an alert template
  - Set alert objects
  - Export alert templates
  - View an alert template
  - Copy an alert template
  - Edit an alert template
  - Delete an alert template
- Manage alert channels
  - Create an alert channel
  - View an alert channel
  - Edit an alert channel
  - Copy an alert channel
  - Delete an alert channel
  - Examples of alert channel configuration
  - Examples of alert channel configuration
- Manage alert push
  - Create an alert push
  - View an alert push
  - Edit an alert push
  - Delete an alert push
- View alert events
- Manage blocking conditions
  - Create a blocking condition
  - Edit an alert blocking condition
  - Delete an alert blocking condition
- OCP alert template tag
- Optional monitoring metrics for custom alerts
Dashboard Management
- Monitoring dashboard overview
- Manage dashboards
- Manage groups
- Manage charts
Performance Monitoring
- Manage monitoring
  - Overview
  - View database performance
  - View host performance monitoring data
  - View OBServer node performance monitoring data
  - View performance and SQL monitoring data
  - View transaction performance monitoring data
  - View storage and cache monitoring data
  - View database object monitoring data
  - View OBKV-Table monitoring data
  - View OBKV-HBase monitoring data
  - View OBKV-Redis monitoring data
  - View subscription connection monitoring charts
  - View performance monitoring data of a binlog instance
  - View resource monitoring data of a binlog instance
  - View host resource monitoring data
  - View host process monitoring data
  - View service monitoring data
  - View system monitoring data
  - View performance monitoring
  - Drill-down monitoring
  - Integrate monitoring data to an external time-series system
- Use the custom monitoring feature
  - Overview
  - View collection items
  - Manage indicator items
    - Create a metric
    - Manage metrics
  - Manage charts
    - Create a chart
    - Manage charts
  - OCP metrics
Diagnostics and Tuning
- SQL diagnostics
  - SQL diagnostics introduction
    - SQL diagnostics overview
    - SQL statement execution statistics
    - SQL execution plans
  - View the OceanBase Autonomy Service page
  - Diagnose suspicious SQL statements
  - Diagnose top SQL statements
  - View Comparison of Top SQL Statements
  - Diagnose slow SQL statements
  - Diagnose parallel SQL statements
  - Diagnose high-risk SQL statements
  - Diagnose new SQL statements
  - View the details of an SQL statement
  - View outlines
  - View the SQL collection enabling/disabling history
  - View SQL request analysis data
  - Parameters related to SQL performance diagnostics
- Transaction diagnostics
  - Transaction overview
  - Diagnose transactions
  - Diagnose XA transactions and suspended transactions
- Manage sessions
  - Manage the sessions of a tenant
  - View session statistics
  - View the deadlock history
  - View row lock analytics
- View materialized views
- View the Optimization Center page
- View the capacity center
- View diagnostics reports
  - Manage performance reports
  - Manage ASH reports
O&M Management
- Manage information collection
  - Overview
  - Configure information collection items
  - Create an information collection task
  - View information collection details
  - Download an information collection report
- Manage plans
  - Overview
  - Manage plans
  - View plan execution details
- Manage inspections
  - Overview
  - Configure inspection items
  - Configure scheduling rules
    - Configure a scheduling rule for a single inspection object
    - Configure global scheduling rules
  - Initiate an inspection
    - Initiate an inspection for a single object
    - Initiate a global inspection
  - View an inspection task
  - Manage inspection reports
    - View an inspection report
    - Download an inspection report
- Manage scheduled tasks
  - Overview of Scheduled Tasks
  - Create a scheduled task
  - Manage scheduled tasks
  - View scheduled task details
- Manage the report center
AI Assistant
- Overview
- Enable AI-powered intelligent conversation
- Manage an AI intelligent conversation
Backup and Recovery
- Overview
- Backup and restore guide
- Overview
- Backup now
  - Back up a cluster now
  - Perform tenant backup immediately
- Regular backup
  - Manage cluster-level backup strategy
    - Create a cluster-level backup strategy
    - Modify a cluster-level backup strategy
    - Delete a cluster-level backup strategy
    - Pause backup scheduling
    - View a cluster-level backup stategy
  - Manage tenant-level backup strategy
    - Create a tenant-level backup strategy
    - Modify a tenant-level backup strategy
    - Delete a tenant-level backup strategy
    - Pause backup scheduling
    - View a tenant-level backup stategy
- Manage backup tasks
  - View backup tasks
  - View second backup tasks
- Initiate a restore task
- Regular recovery
  - Create a sampling strategy for recovery
  - View sampling strategies
  - View sampling tasks
- View restore task information
- Copy a restore task
- Manage backup and recovery service
  - View services
  - 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 O\&M tasks
  - Uninstall a service on a node
Disaster Recovery
- Switching primary and standby tenants
  - Switchover
  - Failover
  - Decouple a standby tenant from its primary tenant
  - Create primary and standby tenants across OCP clusters
- Switching primary and standby databases
  - Routine primary/standby cluster switchover
  - Primary/Standby cluster switchover for disaster recovery
  - Decouple a standby cluster from the primary cluster
  - Start the original primary cluster in read-only mode after a failover
- OCP Manage OCP clusters in the multi-cluster mode
  - OCP multi-cluster mode overview
  - Register an OCP cluster
  - View 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
  - Enable the OCP multi-cluster mode
Log Management
- Query logs
- Download logs
- Configure trace query parameters
- Trace query
- About OpenSearch
- Configure log retention strategies
Software Package Management
- Upload a software package
- Download a software package
- Delete a software package
System Management
- Manage password box
  - Create a credential
  - Export a credential
  - Import a credential
  - Verify a credential
  - Edit a credential
  - Delete a credential
  - Batch operations on credentials
- Manage certificates
  - Certificate overview
  - Upload a certificate
  - Delete a certificate
- Manage users and permissions
  - Overview
  - Manage a organization
    - Create an organization
    - View the resources of an organization
    - Rename an organization
    - Share resource configurations
    - Delete an organization
  - Manage a role
    - Create a role
    - View a role
    - Edit a role
    - Copy a role
    - Delete a role
    - Default OCP roles
  - Manage a user
    - Create a user
    - View a user
    - Edit a user
    - Copy a user
    - Change the password of a user
    - Delete a user
    - View the login history
- Manage tags
  - Overview
  - Create a tag
  - Modify objects bound to a tag
  - Edit a tag
  - Delete a tag
- View operation records
- Manage external integration
  - Manage AI models
    - Connect to an AI model vendor
    - Add a model
    - Set a system model
    - Delete a model
  - Manage SSO integration
    - Overview
    - Create an SSO integration task
    - Enable/Disable an SSO integration task
    - Edit an SSO integration task
    - Delete an SSO integration task
  - Manage SQL audit
    - Overview of SQL Audit Integration with SLS and ES
    - Connect SQL Audit to SLS
    - Connect SQL Audit to ElasticSearch
  - Manage Prometheus
    - Overview of Prometheus
    - Create a Prometheus data source
    - Manage Prometheus data sources
- View platform monitoring data
- Manage system parameters
  - View system parameters
  - Modify system parameters
  - OCP configuration parameters
- Manage tasks
- User center management
  - Configure personal information
  - Change your logon password
  - Log off the OCP console
SQL Tuning Practices
- Locate General Abnormal SQL Statements
  - How can I locate SQL statements with high CPU load in a tenant?
  - How can I locate slow SQL statements that take a long time in a tenant?
  - How can I locate SQL statements for full-table scans in a tenant?
  - How can I locate distributed SQL statements in a tenant?
  - How can I locate remote SQL statements in a tenant?
  - How can I locate slow hard-parsed SQL statements in a tenant?
  - How can I locate erroneous SQL statements in a tenant?
- Customize Abnormal SQL Statement Determining Rules
  - Conditions
  - Custom column rules
- General SQL Performance Tuning Scenarios
  - Execution Plan Optimization
    - SQL statement performance deterioration caused by plan changes
  - Index Optimization
    - No suitable indexes
    - Inappropriate index of an SQL statement
    - Invalid index of an SQL statement
O&M Best practices
- Upgrade an OceanBase cluster
- Migrate a resource unit from an OceanBase Database tenant
- Expand the high availability of OceanBase clusters and tenants
- Reduce the high availability of OceanBase clusters and tenants
- Scale out an OceanBase cluster and scale up an OceanBase Database tenant
- Scale in an OceanBase cluster and scale down an OceanBase Database tenant
- Troubleshoot host issues in an OceanBase cluster
- Migrate a cluster between IDCs in OCP
- Migrate an OceanBase cluster to another IDC
- Perform a failover between primary and standby OceanBase clusters for disaster recovery in a scenario with two IDCs
- Perform a switchover between primary and standby OceanBase Database tenants in a scenario with two IDCs
- Use the arbitration service of OceanBase Database to achieve HA in a scenario with two IDCs
- Achieve high availability through an arbitration service group
- Scale out an OBProxy cluster
- Scale in an OBProxy cluster
- Replace an OBProxy
- Move out an OBProxy cluster
- Take over OBProxies
- Delete an OBProxy
- SSL Link Encryption
- Perform a failover
- Decouple a standby tenant from the primary tenant
- Automatic routing to the new primary tenant after a switchover
- Back up an OceanBase cluster
- Restore lost data by using backup and restore
- Monitor the business load of OceanBase Database
- Integrate OCP monitoring with Prometheus
- Import a monitoring dashboard to Grafana
- Configure custom monitoring
- Perform an inspection in OCP to detect potential risks in an OceanBase cluster
- Check clog synchronization
- Check the NIC rate
- Check the availability of an auto-increment column
- Send alert messages to a DingTalk group
- Send alert messages to a Feishu group
- Send alert messages to a WeChat Enterprise group
- Send alert messages through email
- Push alert messages through HTTP
- Connect alerts to a Slack channel
- Organization and permission management
Reference Guide
- Alarm reference
  - Overview
  - OceanBase alerts
    - ob_cannot_connected OceanBase server cannot be connected
    - ob_cluster_rs_not_same
    - ob_cluster_status_check_failed
    - ob_cluster_exists_inactive_server OceanBase cluster has an inactive OBServer node
    - ob_cluster_exists_index_fail_table
    - ob_cluster_frozen_version_delta_over_threshold OceanBase cluster frozen version and baseline version delta exceeds threshold
    - ob_cluster_merge_error OceanBase cluster merge error
    - ob_cluster_merge_timeout OceanBase cluster merge timeout
    - ob_cluster_no_frozen OceanBase cluster not frozen for a long time
    - ob_cluster_no_merge OceanBase cluster with no major compactions for a long time
    - ob_cluster_operation_info
    - ob_cluster_sync_failed
    - ob_cpu_assigned_percent_over_threshold OceanBase has allocated more CPU resources to the tenant than allowed
    - ob_cpu_percent_over_threshold Average tenant thread usage rate exceeds the threshold on OceanBase server
    - ob_host_connection_percent_over_threshold OceanBase server connection percentage over threshold
    - ob_host_disk_readonly OceanBase server disk read-only
    - ob_host_load1_per_cpu_over_threshold OceanBase server CPU average load1 exceeds threshold
    - ob_host_partition_count_over_threshold OceanBase server partition count exceeds the threshold
    - OceanBase log alerts
    - ob_mem_assigned_percent_over_threshold OceanBase has exceeded the threshold for memory allocated to tenants.
    - ob_server_sstable_percent_over_threshold OceanBase server data disk usage over threshold
    - ob_tenant_operation_info
    - ob_tenant500_mem_hold_over_threshold OceanBase 500 tenant memory usage exceeds the threshold
    - ob_tenant500_mem_hold_percent_over_threshold OceanBase 500 tenant memory usage over threshold
    - tenant_active_memstore_percent_over_threshold OceanBase tenant active MemStore percentage over threshold
    - tenant_cpu_percent_over_threshold OceanBase tenant CPU usage exceeds threshold
    - tenant_memstore_percent_over_threshold OceanBase tenant MemStore usage percentage exceeding the threshold
    - obproxy_process_dead The OBProxy process does not exist.
    - obproxyd_process_dead
    - obproxy_cannot_connected
    - ob_cluster_sync_delay_time_too_long OceanBase cluster synchronization delay is too long
    - ob_host_data_disk_percent_over_threshold OceanBase host data disk usage over threshold
    - ob_host_log_disk_percent_over_threshold OceanBase server log directory disk usage exceeds the threshold
    - ob_host_install_disk_percent_over_threshold OceanBase server installation directory disk usage exceeds the threshold
    - ob_tenant_exists_expired_xa_trans OceanBase tenant has expired XA transactions
    - ob_cluster_active_session_count_over_threshold
    - ob_tenant_active_session_count_over_threshold
    - ob_host_active_session_count_over_threshold
    - ob_tenant_slow_sql_exists OceanBase tenant has slow SQL
    - ob_tenant_large_trans_exist OceanBase tenant has large transactions
    - same_alarm_rule_detect_too_many_targets
    - ob_tenant_expired_trans_exist OceanBase tenant has expired transactions
    - ob_tenant_long_trans_exist
    - ob_tenant_task_timeout OceanBase tenant task timeout
    - ob_host_task_timeout
    - ob_tenant_log_disk_usage_high OceanBase tenant log disk usage exceeded the limit
    - ob_tenant_no_compaction OceanBase tenant has not performed major compaction for a long time
    - ob_tenant_no_frozen OceanBase tenant has not been frozen for a long time
    - ob_tenant_compaction_error OceanBase tenant compaction error
    - host_operation
    - obproxy_host_operation
    - obproxy_cluster_operation
    - ob_host_operation
    - refresh_location_cache_failed
    - ob_tenant_log_stream_degraded OceanBase tenant has degraded log streams
    - arbitration_service_unavailable
    - observer_process_stop OBServer process stop
    - obproxyd_process_stop OBProxy daemon process stop
    - obproxy_process_stop Stop OBProxy Process
    - standby_tenant_sync_delay_too_long
    - standby_tenant_sync_status_error
    - obproxy_client_connections_usage_over_threshold OBProxy client connection usage exceeds threshold
    - ob_tenant_request_queue_over_threshold
    - oas_anomaly_sql_from_anomaly_event_analysis_cpu_percent_high
    - oas_anomaly_sql_from_anomaly_event_analysis_perf_degradation
    - oas_anomaly_sql_from_anomaly_event_analysis_plan_changed
    - oas_anomaly_sql_from_sql_inspection_perf_degradation
    - oas_anomaly_sql_from_sql_inspection_plan_changed
    - os_observer_not_exist OceanBase server process does not exist
    - refresh_location_cache_failed_by_metric
    - ob_tenant_cpu_usage_over_threshold
    - ob_tenant_partition_replica_absent OceanBase tenant partition replica absent
    - ob_tenant_partition_leader_absent
    - ob_tenant500_storage_short_meta_mem_hold_high OceanBase 500 tenant STORAGE_SHORT_TERM module memory usage exceeds the threshold
    - obproxy_core_dump OBProxy server Core Dump
    - ob_server_cannot_connect_arbitration OceanBase cluster has nodes that cannot communicate with the arbitration service
    - agent_process_count_abnormal
    - arbitration_auto_replace_operation_info
    - arbitration_group_auto_replace_failed
    - standby_cluster_sync_status_error Standby cluster synchronization status exception
    - ob_tenant_tde_kms_host_not_match Tenant TDE KMS service address does not match the current OCP service address
    - ob_tenant_tde_kms_cmk_info_not_exist Tenant TDE key information does not exist in the current OCP. Please update the tenant TDE key promptly.
    - tenant_all_unit_server_not_connectable OceanBase Tenant Cannot Be Connected
    - ob_tenant_mview_refresh_delay Materialized View Automatic Refresh Delay
    - ob_tenant_mview_refresh_error Tenant Materialized View Automatic Refresh Exception
    - tenant_vector_mem_used_percent_over_threshold OceanBase Tenant Vector Index Actual Memory Usage Exceeds Threshold
    - tenant_mini_merge_tablet_count_error Number of Tablets Exceeding the Limit for Minor Compaction SSTables in an OceanBase Tenant
    - tenant_compact_timeout_count_error Number of OceanBase Tenant Partitions (sstables) That Have Not Been Compacted for a Long Time
    - ob_tenant_session_kill_delay Tenant Session Killed Delay
    - ob_tenant_info_sync_failed OceanBase Tenant Information Synchronization Failed
    - ob_tenant_name_mismatch The tenant name of the OceanBase tenant has changed.
    - tenant_compaction_status_is_suspend Tenant Major Compaction Suspended
    - ob_tenant_service_name_is_invalid Tenant service name is invalid.
    - cluster_cgroup_value_inconsistent Inconsistent cgroup values in the cluster
    - ob_tenant_log_stream_replica_absent Absent Replica in OceanBase Tenant Log Stream
    - ob_tenant_log_stream_leader_absent OceanBase Tenant Log Stream Leader Absent
    - arbitration_node_connection_with_observer_error Unable to connect observer on the arbitration node
  - Application alerts
    - ob_cluster_inspection_not_passed
    - ob_host_ssd_wear_indicator_over_threshold
    - ob_host_mem_percent_over_threshold Host memory usage exceeds the threshold
    - ob_host_net_recv_percent_over_threshold Host network receive bandwidth usage exceeds threshold
    - ob_host_net_send_percent_over_threshold The server's network send bandwidth usage exceeds the threshold.
    - ob_host_tcp_retrans_percent_over_threshold The percentage of TCP retransmissions exceeding the threshold on the server
    - ob_host_cpu_percent_over_threshold CPU usage on the server exceeds the threshold
    - 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 The maximum number of retries to obtain backup storage capacity has been exceeded.
    - backup_storage_capacity_timeout_or_interrupted Backup restore directory capacity retrieval timeout or thread interrupted
    - ocp_remote_server_time_diff_too_large
    - monitor_exporter_unavaliable A monitoring exporter is unavailable on the server.
    - system_obproxy_unavailable
    - host_unavailable
    - host_ntp_offset_too_large The offset between the host and the NTP server is too large.
    - host_ntp_service_not_exist The NTP service does not exist on the server.
    - host_agent_res_memory_over_threshold Server Agent Memory Over Threshold
    - host_agent_open_fd_count_over_threshold The number of open file descriptors for the server agent exceeds the threshold.
    - host_agent_goroutine_count_over_threshold The number of goroutines for the server agent exceeds the threshold.
    - partition_create_failed
    - obagent_dead Agent service unavailable
    - host_disk_readonly
    - ic_server_connect_failed Inter-Connector server connection failed
    - vpc_connect_failed VPC connection failed
    - node_load1_peak
    - Host log alerts
    - base_backup_timeout
    - base_secondary_backup_fail
    - ocp_meta_db_disconnected OCP Meta Database Disconnected
    - ocp_http_request_timeout
    - ocp_http_request_too_many_errors_occur
    - ocp_alarm_detect_timeout
    - odp_instance_compress_failed
    - odp_instance_expanse_failed
    - odp_sql_execute_failed
    - odp_sql_query_slow
    - agentd_process_stop
    - mgragent_process_stop ocp_mgragent process stop
    - monagent_process_stop
    - ocp_contingency_failed
    - ob_host_invalid_disk_exists OBServer has a bad disk
    - ob_cluster_recyclebin_disk_used_over_threshold
    - ob_host_monitordb_disconnected OCP-Agent cannot connect to monitordb
    - upgrade_ocp_agent_failed
    - host_agent_version_not_same
    - ocp_collect_metric_failure_rate_high OCP-Server collects metrics with a high failure rate
    - ssl_certificate_is_expired SSL certificate expiration alert
    - message_hardware_error Host hardware failure
    - ob_license_expired
    - binlog_process_stop Stop a Binlog Server process
    - binlog_process_dead Binlog Server process does not exist
    - ocp_system_cpu_usage_over_threshold OCP Node CPU Usage Exceeds Threshold
    - ocp_disk_percent_over_threshold OCP Node Disk Usage Exceeds Threshold
    - ocp_jvm_heap_memory_used_percent_over OCP Node JVM Heap Memory Usage Exceeds Threshold
    - ocp_distributed_server_deleted_count OCP Node Offline
    - message_log_alarm System Message Logs
    - system_parameter_not_taken_effect System parameter modification requires a restart to take effect
    - host_process_cpu_bind_core_is_invalid CPU Binding Configuration Inconsistent
    - ob_server_stopped Server Stop Service
  - OAS alerts
    - os_cpu_irq_error Server CPU soft interrupt not scattered
    - os_tsar_cpu_sys_abnormal
    - os_observer_fd_usage OceanBase server has too many open handles
    - os_tsar_cpu_util_full
    - os_tsar_cpu_util_hwm
    - os_kernel_io_hang OceanBase server I/O Hangs
    - os_tsar_sda_ioawait OceanBase server high I/Oawait on disk SDA
    - os_tsar_nvme_ioawait OceanBase server node NVMe disk ioawait high
    - os_tsar_traffic_drop
    - os_tsar_traffic_error
    - os_observer_core_dump OceanBase server Core Dump
    - os_nic_1000m_full
    - os_nic_1000m_hwm
    - os_tsar_traffic_overload
    - node_file_root_usage High root directory usage on the server
    - node_file_inode_usage High inode usage on the server
    - os_kernel_ntp_down
    - os_kernel_ntp_delay
    - node_memory_peak
    - os_home_file_usage
    - node_file_data1_usage
    - node_file_datalog1_usage
    - sql_audit_collect_lost_percent_over_threshold
  - Appendix
    - Exception handling for OceanBase cluster compaction
    - Apply throttling to an OceanBase cluster
    - Network troubleshooting
    - Handling alert responses
- API Reference
  - Overview
  - API call description
  - Rules for generating AK/SK signatures
  - Task return structure
  - Cluster management
    - Query the list of OceanBase 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
    - Move out an OceanBase cluster
    - Perform a takeover precheck on an OceanBase cluster
    - Take over 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 node
    - Delete multiple OBServers at a time
    - Stop an OBServer node
    - Start an OBServer node
    - Restart an OBServer node
    - Replace an OBServer node
    - Change the password of an OceanBase cluster
    - Query the parameter metadata of OceanBase clusters
    - Query parameters of an OceanBase cluster
    - Modify parameters of an OceanBase cluster
    - Query OBServer nodes of an OceanBase cluster
    - Query OBServer nodes in a zone
    - Perform a switchover pre-check
    - Perform a failover pre-check
    - Perform a switchover
    - Perform a failover
    - Query resource statistics of an OceanBase cluster
    - Query resource statistics of all OBServer nodes in an OceanBase cluster
    - Query units of an OceanBase cluster
    - Create an arbitration service
    - Query details of an arbitration service
    - Query the list of arbitration services
    - Stop an arbitration service
    - Start an arbitration service
    - Restart an arbitration service
    - Upgrade an arbitration service
    - Delete an arbitration service
    - Query arbitration service parameters
    - Bind/Unbind tags to/from an arbitration service
    - Perform an arbitration service takeover precheck
    - Take over an arbitration service
    - Migrate an arbitration service
    - Perform a precheck on batch arbitration service replacement
    - Replace the arbitration service for multiple clusters
    - Perform an association precheck on multiple OceanBase clusters
    - Associate an arbitration service with multiple OceanBase clusters
    - Dissociate an arbitration service from multiple clusters
    - Create an arbitration service group
    - Update an arbitration service group
    - Query information of an arbitration service group
    - Query the list of arbitration service groups
    - Delete an arbitration service group
    - Upgrade an arbitration service group
    - Enable JVM Environment Dependency Service
    - Edit JVM Environment Dependency Service
    - Stop the JVM environment dependency service
  - Tenant management
    - Query tenants of a cluster
    - Query all tenants
    - Query details about a tenant
    - Create a tenant
    - Create a standby 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 allowlist of a tenant
    - Query parameters of a tenant
    - Modify parameters of a tenant
    - Obtain a list of unit specifications
    - Create a resource unit specification
    - Delete a resource unit specification
    - Perform a switchover precheck
    - Perform a switchover
    - Perform a batch switchover precheck
    - Perform a batch switchover
    - Perform a failover precheck
    - Perform a failover
    - Perform a batch failover precheck
    - Perform a batch failover
  - 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
    - Delete an OBProxy (not recommended)
    - Restart an OBProxy
    - Restart an OBProxy
    - Upgrade an OBProxy
    - Upgrade an OBProxy
    - Add a connectable OceanBase cluster to an OBProxy cluster
    - Remove a connectable OceanBase cluster from an OBProxy cluster
    - Query the description information of the OBProxy parameters
    - Query parameters of an OBProxy cluster
    - Stop an OBProxy
    - Start an OBProxy
  - Database management
    - Query databases
    - Create a database
    - Modify a database
    - Delete a database
    - Query the list of database users
    - 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 list of database roles
    - 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
  - Monitoring
    - Query the description of a monitoring metric
    - Query monitoring data
    - Query monitoring data by tag
  - Alerts
    - Call an alert API
    - Obtain current alerts
    - Obtain alert history
    - Query alert events
  - Inspection
    - Query all inspection tasks
    - Query inspection objects
    - View the details of an inspection report
    - Initiate an inspection
    - Query the last inspection result of an inspection item
    - Query the last inspection result of an inspection object
  - SQL performance
    - Query performance metrics of an SQL statement
    - Query the performance indicator trend of an SQL statement
    - Query SQL text
    - Query the performance indicator trend of an execution plan
    - Query the operator structure of an execution plan
    - Query the list of slow SQL statements
    - Query snapshots
    - Generate a performance report
    - Query a performance report
  - 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
    - Start backup scheduling for a cluster
    - Stop backup scheduling for a cluster
    - Initiate tenant recovery
    - Preview a restore task
    - Add restore resources
    - Clear added restore resources
    - Initiate a data backup for a tenant
    - Create a backup strategy for a tenant
    - Delete the backup strategy of a tenant
    - View the data backup tasks of a tenant
    - View the log backup tasks of a tenant
    - View restore tasks
    - Parse the backup information of a tenant
    - Query the backup strategy of a tenant
    - Modify the backup strategy of a tenant
    - Start backup scheduling for a tenant
    - Stop backup scheduling for a tenant
  - Host management
    - Query regions
    - Query details about a region
    - Add region information
    - Delete a region
    - Query IDCs
    - Query details about an IDC
    - Add IDC information
    - Delete an IDC
    - Query host types
    - Query details about a host type
    - Add host type information
    - 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
  - O&M tasks management
    - Query tasks
    - Query details about a task
    - Retry a task
    - Roll back a task
    - Query subtask logs
    - Retry a subtask
    - Skip a subtask
    - Cancel a subtask
  - System management
    - Health examination
      - Query the basic information of an OCP application
      - Query OCP server time
      - Query OCP application status
    - Operation Audit
      - Query historical events
    - Agent management
      - Query OCP Agent details on a host
      - Stop the OCP Agent process on a host
      - Batch stop the OCP Agent processes on hosts
      - Restart the OCP Agent process on a host
      - Batch restart the OCP Agent processes on hosts
      - Query OCP Agent processes on a host
      - Restart the OCP Agent process on a host
      - Stop the OCP Agent process on a host
- Metric reference
  - Overview of metrics
  - Monitoring metrics list
  - OceanBase cluster
    - Database performance
      - QPS
      - Query response time
      - TPS
      - Transaction response time
      - Number of sessions
      - Request queue time
      - Number of transaction logs
      - Transaction log volume
      - Time consumed by transaction logs
      - IOPS
      - IO time-consuming
      - I/O Throughput
      - TPS
    - OBServer performance
      - Process memory
      - Process CPU utilization
      - Process file descriptors
      - Number of process threads
      - sys500 memory occupation
      - Error logs
  - OceanBase Database tenant
    - Performance and SQL
      - QPS
      - Response time (SQL mode)
      - SQL execution plan category
      - SQL execution plan time
      - Sessions
      - Wait events
      - Metrics related to time consumption of wait events
      - Request waiting queue
      - Request waiting queue time consuming
      - Request queue size
      - Tenant CPU cost
      - Tenant thread usage
      - memroy usage pecent
      - MemStore usage
      - Rpc package rt
      - RPC packet throughput
      - Cursors
      - PX worker thread usage
      - Clog synchronization delay
      - DB time metrics
      - SQL execution phase
      - Frontend workload
      - Background workload metrics
      - RPC Request Success Rate
      - Number of GTS Requests
      - RPC Network Latency
      - RPC Delivery Failure
    - Transaction
      - TPS
      - Transaction response time
      - Transaction response time details
      - Transaction Rollback Ratio
      - Number of transaction logs
      - Transaction log volume
      - Time consumed by transaction logs
      - Lock waits
      - Time consumed by lock waits
      - TPS
      - Transaction table read request hits
      - Partition
      - XA Transactions
      - XA Statement Count
      - Average execution duration of XA statements
      - MemStore Lock Request Success Rate
    - Storage and Cache
      - MemStore
      - IOPS
      - IO time-consuming
      - I/O Throughput
      - Cache size
      - Cache hit rates
      - Number of cache requests
      - Vector Index Data Size
      - Actual Usage Percentage of Vector Index Data
      - Frozen MEMStore
      - Log disk
      - Data disk
      - Minor compaction partitions
    - Database objects
      - Objects
    - OBKV_Table
      - QPS (OBKV-Table)
      - Response time (OBKV-Table)
      - Average number of statement lines processed (OBKV-Table)
    - OBKV_HBase
      - QPS (OBKV_Hbase)
      - Response time (OBKV-HBase)
      - Average number of statement lines processed (OBKV-HBase)
    - OBKV_Redis
      - QPS (OBKV-Redis)
      - Response time (OBKV-Redis)
  - Binlog Service
    - Subscription Connection Monitoring
      - Sending Delay
      - Associate RPS
      - Network Traffic
    - Binlog Performance Monitoring
      - Binlog Delay
      - Binlog RPS
    - Binlog Resource Monitoring
      - CPU
      - memory used
      - memory
      - disk used
      - Binlog Disk Write Rate
      - disk ratio
      - FD count
      - network bytes
  - OBProxy cluster
    - TPS
    - QPS
    - Client connections
    - Server connections
    - Average response time for each SQL statement
    - Memory for the obproxy process
    - OBProxy CPU usage
    - Number of file descriptors for the obproxy process
    - Number of threads in the obproxy process
    - Log error
    - Route table queries
    - Net bytes
    - RPC sessions
    - RPC requests
    - RPC request time consumption
  - Host
    - Host Performance
      - Linux system load
      - CPU Utilization
      - I/O usage
      - I/O queue length
      - IOPS
      - Time consumed by I/O operations
      - I/O throughput
      - Network throughput
      - TCP retransmission rate
      - Packet forwarding
      - NTP clock offset
      - Inode usage
    - Host Resources
      - Memory
      - Memory usage
      - Disk
    - Host Processes
      - Process resident memory
      - Process CPU utilization
      - Number of process file descriptors
      - Number of process threads
      - Number of OCP-Agent process goroutines
- Information Collection Reference
  - Major Compaction Exceptions
    - Collect information about the major compaction status of zones of a cluster
    - Collect information about the ongoing major compaction in a cluster
    - Collect suggestions provided based on historical major compactions
    - Collect diagnostic information about major compactions
    - Collect information about DAG warnings in OceanBase Database
    - Collect RootService task records
    - Collect the last-one-day records of major compaction events scheduled by RootService
    - Collect the checksum information about tablets
    - Collect the checksum information about columns
    - Collect major compaction parameter settings
    - Collect the major compaction time
  - OCP Agent Exceptions
    - Collect panic logs of the mgragent process
    - Collect panic logs of the monagent process
    - Collect information about goroutines of the agent processes
  - Cluster Exceptions
    - Collect information about bad disks
    - Collect information about OBServer nodes in a cluster
    - Collect obstack information on a cluster node
    - Collect information about the core dump file of the observer process
    - Collect host logs containing the CRASH ERROR keyword
    - Collect connectivity information of the sys tenant
  - CPU Exceptions
    - Collect information about processes with high CPU utilization on a cluster node
    - Collect information about threads with high CPU utilization in an observer process
  - Data Disk Full
    - Collect the data disk usage information of nodes in a cluster
    - Collect incremental data generated during cluster compactions
    - Collect information about the disk space occupied by temporary files of a tenant
    - Collect information about sizes of data of different versions in major SSTables
    - Collect information about the macroblock utilization of nodes
  - Memory Exceptions
    - Collect information about modules with highest memory usage
    - Collect memory allocation sampling data of OBServer nodes
    - Collect KV cache information of a tenant
    - Collect memory leakage detection information
    - Collect MemStore information of a tenant
  - Host Exceptions
    - Collect logs from the /var/log/messages directory of a host
    - Collect host information by running the df -h command
  - Other Tenants Exceptions
    - Collect host logs containing the dump tenant info keyword
    - Collect host logs containing the dump tenant disk usage keyword
    - Collect host logs containing the dump tenant info keyword
- Error codes reference
  - OCP error codes
  - OBServer error codes
    - MySQL mode
      - Overview
      - 0001 to 3999
      - 4000 to 4499
      - 4500 to 4999
      - 5000 to 5999
      - 6000 to 6999
      - 7000 to 7999
      - 8000 to 8999
      - 9000 to 9499
      - 9500 to 9999
      - 10000 to 12000
      - 22998, 30926, 38104, and 38105
    - Oracle mode
      - Overview
      - OBE-00000 to OBE-00999
      - OBE-01000 to OBE-01499
      - OBE-01500 to OBE-01999
      - OBE-02000 to OBE-04999
      - OBE-05000 to OBE-10000
      - OBE-10000 to OBE-19999
      - OBE-20000 to OBE-29999
      - OBE-30000 to OBE-49999
      - OBE-50000 to OBE-99999
      - PLS-00000 to PLS-00999
FAQ
- FAQ about deployment
- FAQ on upgrade
- FAQ on O&M
  - FAQ on accounts and passwords
  - FAQ on host management
  - FAQ about OceanBase clusters
  - FAQ about OceanBase tenants
  - FAQ on OBProxy
  - FAQ on the OCP software package
  - FAQ on backup and recovery
- FAQ on monitoring
  - FAQ on monitoring metrics
  - FAQ on SQL monitoring
  - FAQ about resource usage
  - Use OCP-Agent to pull time-series monitoring data
- FAQ on alerts
- FAQ on the OCP system
- OCP multi-cluster FAQ
Appendix
- OCP background tasks
- Tables managed by the daemon
- Component listening port list
- Processes
- Install and configure OCI
- Modify the log stream downgrade control time
- AWS S3 protocol
- Grafana dashboard
- Configure cgroup
- Create a Slack channel and obtain its webhook URL
- HTTPS Authentication Instructions
Release Notes
- Version number guidelines
- V4.4
  - OCP V4.4.2
  - OCP V4.4.1
  - OCP V4.4.0
- V4.3
  - OCP V4.3.6
  - OCP V4.3.5
  - OCP V4.3.4
  - OCP V4.3.3
  - OCP V4.3.2
  - OCP V4.3.1
  - OCP V4.3.0
- V4.2
  - OCP V4.2.2
  - OCP V4.2.1
  - OCP V4.2.0
- V4.1
  - OCP V4.1.0
- V4.0
  - OCP V4.0.3
  - OCP V4.0.2
  - OCP V4.0.1
  - OCP V4.0.0
- V3.3
  - OCP V3.3.5
  - OCP V3.3.4
  - OCP V3.3.3
  - OCP V3.3.1
  - OCP V3.3.0
- V3.2
  - OCP V3.2.3
- V3.1
  - OCP V3.1.2