Release Notes
Metric | Meaning | Description | Unit | Dimension | Statistical Periods |
CpuUsageRateShard | CPU usage | Shard-level metric, whose value is the CPU usage of the shard’s primary node | % | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
DataDiskAvailableShard | Available data disk space | Shard-level metric, whose value is the available data disk space in the shard’s primary node | GB | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
DataDiskUsedRateShard | Data disk usage | Shard-level metric, whose value is the data disk space usage in the shard’s primary node | % | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
DeleteTotalShard | Number of DELETE queries | Shard-level metric, whose value is the number of DELETE queries in the shard’s primary node | Queries/sec | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
IOUsageRateShard | IO usage | Shard-level metric, whose value is the IO usage of the shard’s primary node | % | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
InnodbBufferPoolReadsShard | Number of InnoDB disk page reads | Shard-level metric, which is the sum of InnoDB disk page reads in the shard’s primary and replica nodes | Times | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
InnodbBufferPoolReadAheadShard | Page read-ahead count of the InnoDB buffer pool | Shard-level metric, which is the sum of page read-aheads in the InnoDB buffer pool in the shard’s primary and replica nodes | Times | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
InnodbBufferPoolReadRequestsShard | Page read count of the InnoDB buffer pool | Shard-level metric, which is the sum of page reads in the InnoDB buffer pool in the shard’s primary and replica nodes | Times | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
InnodbRowsDeletedShard | Number of rows deleted by InnoDB | Shard-level metric, whose value is the number of rows deleted by InnoDB in the shard’s primary node | Rows | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
InnodbRowsInsertedShard | Number of rows inserted by InnoDB | Shard-level metric, whose value is the number of rows inserted by InnoDB in the shard’s primary node | Rows | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
InnodbRowsReadShard | Number of rows read by InnoDB | Shard-level metric, which is the sum of rows read by InnoDB in the shard’s primary and replica nodes | Rows | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
InnodbRowsUpdatedShard | Number of rows updated by InnoDB | Shard-level metric, whose value is the number of rows updated by InnoDB in the shard’s primary node | Rows | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
InsertTotalShard | Number of INSERT queries | Shard-level metric, whose value is the number of INSERT queries executed in the shard’s primary node | Queries/sec | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
LongQueryCountShard | Slow queries | Shard-level metric, whose value is the number of slow queries in the shard’s primary node | Queries | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
MasterSwitchedTotalShard | Number of primary node switchovers | Shard-level metric, which represents the number of times the primary node is switched in the shard | Times | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
MemAvailableShard | Available memory | Shard-level metric, whose value is the available memory in the shard’s primary node | GB | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
MemHitRateShard | Cache hit ratio | Shard-level metric, whose value is the cache hit ratio of the shard’s primary node | % | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
ReplaceSelectTotalShard | Number of REPLACE_SELECT queries | Shard-level metric, whose value is the number of REPLACE_SELECT queries executed in the shard’s primary node | Queries/sec | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
ReplaceTotalShard | Number of REPLACE queries | Shard-level metric, whose value is the number of REPLACE queries executed in the shard’s primary node | Queries/sec | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
RequestTotalShard | Total number of queries | Shard-level metric, which is the total number of queries executed in the shard’s primary node plus the number of SELECT queries executed in the replica nodes | Queries/sec | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
SelectTotalShard | Number of SELECT queries | Shard-level metric, which is the sum of SELECT queries executed in the shard’s primary and replica nodes | Queries/sec | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
SlaveDelayShard | Primary-replica synchronization delay | Shard-level metric, whose value is the shortest primary-replica synchronization delay among the shard’s replica nodes | Sec | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
ThreadsConnectedShard | Number of threads currently connected | Shard-level metric, which is the sum of threads connected in the shard’s primary and replica nodes | Threads | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
UpdateTotalShard | Number of UPDATE queries | Shard-level metric, whose value is the number of UPDATE queries executed in the shard’s primary node | Queries/sec | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
ActiveThreadCountShard | Number of active threads | Shard-level metric, which is the sum of active threads in the shard’s primary and replica nodes | Threads | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
BinlogDiskAvailableShard | Available binlog disk space | Shard-level metric, whose value is the smallest available binlog disk space among the shard’s primary and replica nodes | GB | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
BinlogUsedDiskShard | Used binlog disk space | Shard-level metric, whose value is the binlog disk space used in the shard’s primary node | GB | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
ConnMaxShard | Maximum number of connections | Shard-level metric, whose value is the sum of the maximum number of connections of the shard’s primary and replica nodes | Connections | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
ConnUsageRateShard | Connection usage | Shard-level metric, whose value is the highest connection usage among the shard’s primary and replica nodes | % | InstanceId,ShardId | 60s, 300s, 3600s, 86400s |
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 | ShardId | Dimension name of the shard | Enter a string-type dimension name: ShardId |
Instances.N.Dimensions.1.Value | ShardId | Shard ID | Enter a shard ID, e.g., shard-i6f4sf12. |
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