On the details page of a cluster, you can view its basic information, resource usage, alerts, system events of the last 7 days, zones, and OBServers, and can perform routine cluster maintenance.
View the basic information
On the Cluster Details page, you can view the basic information of the cluster, including Cluster Type, OceanBase Version, Regions, Zone Deployment Model, Hardware Architecture, Servers, Partitions, Tenants, Created By, OBProxy Cluster, Log Transfer Mode, Synchronization Status, Protection Mode, Software Installation Path, Data Disk Path, Log Disk Path , and ConfigUrl .
| Parameter | Description |
|---|---|
| Cluster Type | Valid values: Primary and Standby . |
| OceanBase Version | The version of OceanBase Database of the cluster. |
| Regions | The number of regions in the cluster. |
| Zone Deployment Model | The deployment mode of the cluster. The value 1 indicates that the cluster has one zone and the zone has one host. The value 1-1 indicates that the cluster has two zones, and each zone has one host. The value N-N-...N (M Ns) indicates that the cluster has M zones, and each zone has N hosts. |
| Hardware Architecture | When you add a host, OCP automatically identifies its hardware architecture. The primary cluster and standby clusters must have the same hardware architecture. |
| Servers | The number of hosts in the cluster. |
| Partitions | The number of partitions for the tables in the cluster. |
| Tenants | The number of tenants in the cluster. |
| Created By | The username of the user who created the cluster. |
| OBProxy Cluster | Displays the OBProxy cluster that is associated with the current OceanBase cluster. |
| Protection Mode | This parameter is displayed only for the primary cluster. For more information, see Protection mode. |
| Software Installation Path | It was specified when the cluster was created. |
| Data Disk Path | The path specified when the cluster was created. |
| Log Disk Path | The path specified when the cluster was created. |
| Log Transfer Mode | This parameter is displayed for a standby cluster. Valid values: Synchronous and Asynchronous. Whether the synchronization mode can be asynchronous when the log transfer mode is synchronous depends on the protection mode. |
| Synchronization Status | This parameter is displayed for a standby cluster. It indicates the latency of log transfer. |
| ConfigUrl | The cluster URL. You can click the copy icon to copy it. |
View resource usage
The Resource Usage section displays Free CPU, Free Memory Capacity , and Free Disk Space . You can manage the cluster based on the resource usage.
Alert overview
The Alert Overview section displays the alerts in the system by alert levels, including Stopped, Critical, Warning, Caution , and Reminder . You can click Last 24 Hours, Last 7 Days, or Last 30 Days to view alerts in the specified time range. You can click the digit after an alert level to view the alert details.
View system events in the last 7 days
The System Events in Last 7 Days section allows you to view the system events that happened in the last seven days.
You can specify the time range of events in the time selection field.
You can filter events in the Event Name column.
You can sort the events in ascending or descending order by the start time in the Start Time column.
The system can combine the filter conditions, and list the system events you want to view.
View zones
In the Zones section, you can search for zones. The table contains the following columns: Zone Name, Region, IDC, Servers, Root Server, Status , and Actions . The Actions column provides the following options: Add OBServer, Restart, Stop , and Delete . For more information, see Add an OBServer, Restart a zone, Stop a zone, and Delete a zone.
View OBServers
The table in the OBServers section contains the following columns: IP, Port, IDC, Zone, Host Type, Available Resources, Status , and Actions . The Actions column provides the following options: Restart, Stop, Replace, Delete , and Download Logs . For more information, see Restart an OBServer, Stop an OBServer, Replace an OBServer, Delete an OBServer, and Download logs.
Cluster management
You can also perform other cluster management operations on the Cluster Details page. For more information, see Add a zone, Create a tenant, Upgrade the cluster version, Change the password of the sys tenant, Restart a cluster, Delete a cluster, Disable SQL collection, and View the SQL collection history.
In the left-side navigation pane, you can also find the routine clusters maintenance features. For more information, see View the cluster topology, Performance monitoring, Cluster resource management, Major compaction details, and View parameters.
Protection mode
Maximum performance: It protects user data and maximizes the performance of the primary cluster. In this mode, the log transfer between the primary cluster and all standby clusters is asynchronous.
Maximum availability: Normally, the primary cluster keeps synchronous log transfer with only one standby cluster.
Maximum protection: The primary cluster keeps synchronous log transfer with only one standby cluster, and asynchronous log transfer with other standby clusters.
Switch between clusters
To view the general information of another cluster, click the cluster name field in the upper left corner on the Overview page, and select the target cluster from the drop-down list.
