TencentDB for TcaplusDB Monitoring Metrics
Last updated: 2024-01-27 17:44:48
Namespace
Namespace=QCE/TCAPLUS
Monitoring Metrics
Parameter | Metric | Description | Unit | Dimension |
Avgerror | Average error rate | Average error proportion of table operations | % | TableInstanceId, ClusterId |
Writelatency | Average write latency | Average data write latency | Microsecond | TableInstanceId, ClusterId |
Comerror | Common error rate | Error proportion of common table operations | % | TableInstanceId, ClusterId |
Readlatency | Average read latency | Average data read latency | Microsecond | TableInstanceId, ClusterId |
Volume | Storage volume | Storage volume used by tables | KB | TableInstanceId, ClusterId |
Syserror | System error rate | System error proportion | % | TableInstanceId, ClusterId |
Writecu | Actual write capacity units | Actual write capacity units for tables | Units/sec | TableInstanceId, ClusterId |
Readcu | Actual read capacity units | Actual read capacity units for tables | Units/sec | TableInstanceId, ClusterId |
Note:
The statistical granularity (
period) may vary by metric. The DescribeBaseMetrics API can be used to get the period values supported by each metric.Overview of Parameters in Each Dimension
Parameter | Dimension | Dimension Description | Format |
Instances.N.Dimensions.0.Name | TableInstanceId | Database instance ID dimension name | Enter a string-type dimension name: TableInstanceId |
Instances.N.Dimensions.0.Value | TableInstanceId | Specific database instance ID | Enter a specific database instance ID, such as tcaplus-123abc456 |
Instances.N.Dimensions.1.Name | ClusterId | Cluster ID dimension name | Enter a string-type dimension name: clusterId |
Instances.N.Dimensions.1.Value | ClusterId | Specific cluster ID | Enter a specific cluster ID, such as clus-12345 |
Input Parameter Description
To query the monitoring data of TcaplusDB, set the following input parameters:
&Namespace=QCE/TCAPLUS
&Instances.N.Dimensions.0.Name=TableInstanceId
&Instances.N.Dimensions.0.Value=Specific database ID
&Instances.N.Dimensions.1.Name=ClusterId
&Instances.N.Dimensions.1.Value=Specific cluster ID
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