Release Notes
Metric | Meaning | Description | Unit | Dimension | Statistical Periods |
ActiveThreadCountNode | Number of active threads | Number of active threads in the thread pool of the node | Threads | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
BinlogDiskAvailableNode | Available binlog disk space | Available binlog disk space in the node | GB | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
BinlogUsedDiskNode | Used binlog disk space | Used binlog disk space in the node | GB | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
ConnUsageRateNode | Connection usage | Connection usage in the node, whose value is ThreadsConnected/ConnMax. | % | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
CpuUsageRateNode | CPU usage | CPU usage of the node | % | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
DataDiskAvailableNode | Available data disk space | Available data disk space in the node | GB | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
DataDiskUsedRateNode | Data disk usage | Data disk usage in the node | % | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
DeleteTotalNode | Number of DELETE queries | Number of DELETE queries executed in the node | Queries/sec | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
IOUsageRateNode | IO usage | IO usage of the node | % | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
InnodbBufferPoolReadsNode | Number of InnoDB disk page reads | Number of InnoDB disk page reads in the node | Times | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
InnodbBufferPoolReadAheadNode | Page read-ahead count of the InnoDB buffer pool | Number of read-aheads in the InnoDB buffer pool of the node | Times | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
InnodbBufferPoolReadRequestsNode | Page read count of the InnoDB buffer pool | Number of page reads in the InnoDB buffer pool of the node | Times | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
InnodbRowsDeletedNode | Number of rows deleted by InnoDB | Number of rows deleted by InnoDB in the node | Rows | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
InnodbRowsInsertedNode | Number of rows inserted by InnoDB | Number of rows inserted by InnoDB in the node | Rows | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
InnodbRowsReadNode | Number of rows read by InnoDB | Number of rows read by InnoDB in the node | Rows | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
InnodbRowsUpdatedNode | Number of rows updated by InnoDB | Number of rows updated by InnoDB in the node | Rows | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
InsertTotalNode | Number of INSERT queries | Number of INSERT queries executed in the node | Queries/sec | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
LongQueryCountNode | Slow queries | Number of slow queries in the node | Queries | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
MemAvailableNode | Available memory | Available memory in the node | GB | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
MemHitRateNode | Cache hit ratio | Cache hit ratio in the node | % | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
ReplaceSelectTotalNode | Number of REPLACE_SELECT queries | Number of REPLACE_SELECT queries executed in the node | Queries/sec | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
ReplaceTotalNode | Number of REPLACE queries | Number of REPLACE queries executed in the node | Queries/sec | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
RequestTotalNode | Total number of requests | Total number of requests executed in the node | Queries/sec | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
SelectTotalNode | Number of SELECT queries | Number of SELECT queries executed in the node | Queries/sec | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
SlaveDelayNode | Primary-replica synchronization delay | Primary-replica synchronization delay of the node | Sec | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
UpdateTotalNode | Number of UPDATE queries | Number of UPDATE queries executed in the node | Queries/sec | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
ThreadsConnectedNode | Number of threads currently connected | Number of threads currently connected, which is the number of sessions obtained using the SHOW PROCESSLIST statement | Threads | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
ConnMaxNode | Maximum number of connections | Maximum number of connections allowed by the node | Connections | InstanceId,NodeId | 60s, 300s, 3600s, 86400s |
IsMaster | Whether the node is a primary database | Whether the node is a primary database | - | InstanceId,NodeId | 60s |
DescribeBaseMetrics API.Parameter | Dimension Name | Dimension Description | Format |
Instances.N.Dimensions.0.Name | InstanceId | Dimension name of the instance | Enter a string-type dimension name: InstanceId |
Instances.N.Dimensions.0.Value | InstanceId | Instance ID | Enter an instance ID, e.g. tdsqlshard-9kjauqq1 |
Instances.N.Dimensions.1.Name | NodeId | Dimension name of the node | Enter a string-type dimension name, e.g., NodeId. |
Instances.N.Dimensions.1.Value | NodeId | Node ID | Enter a node ID, e.g., 877adc0ada3e. |
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