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RDS Metrics

Table 1 MySQL metrics

Metric

Description

Value Range

Monitored Object

Monitoring Period (Raw Data)

CPU Usage (deprecated)

CPU consumed by the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: MySQL instance

1 minute

CPU Usage

CPU consumed by the monitored object

Unit: Percent

0-100%

ECS

Monitored instance type: MySQL instance

1 minute

Memory Usage (deprecated)

Memory consumed by the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: MySQL instance

1 minute

Memory Usage

Memory usage of the monitored object

0-100%

ECS

Monitored instance type: MySQL instance

1 minute

IOPS

Average rate at which I/O requests are processed during a specified period

Unit: Count/s

≥ 0 counts/s

ECS

Monitored instance type: MySQL instance

1 minute

Network Input Throughput

Rate at which all incoming traffic passes through the network adapter

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: MySQL instance

1 minute

Network Output Throughput

Rate at which all outgoing traffic passes through the network adapter

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: MySQL instance

1 minute

Total Connections

Total number of connection attempts to the MySQL server

Unit: Count

≥ 0 counts

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Current Active Connections

Number of current active connections

Unit: Count

≥ 0 counts

Monitored object: database

Monitored instance type: MySQL instance

1 minute

QPS

Rate at which SQL statement queries (including the stored procedure) are executed

Unit: Query/s

≥ 0 queries/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

TPS

Rate at which transactions (including those submitted and rolled back) are executed

Unit: Transaction/s

≥ 0 transactions/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Buffer Pool Usage

Ratio of dirty data to all data in the InnoDB buffer

Unit: Ratio

0-1

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Buffer Pool Hit Rate

Ratio of read hits to read requests in the InnoDB buffer

Unit: Ratio

0-1

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Buffer Pool Dirty Block Rate

Ratio of used pages to total data in the InnoDB buffer

Unit: Ratio

0-1

Monitored object: database

Monitored instance type: MySQL instance

1 minute

InnoDB Read Throughput

Average rate at which data is read by the InnoDB buffer

Unit: byte/s

≥ 0 bytes/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

InnoDB Write Throughput

Average rate at which data is written by the InnoDB buffer

Unit: byte/s

≥ 0 bytes/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

InnoDB File Read Frequency

Average rate at which the InnoDB reads files per second

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

InnoDB File Write Frequency

Average rate at which the InnoDB writes data

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

InnoDB Log Write Request Frequency

Average rate at which log write requests are received

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

InnoDB Log Physical Write Frequency

Average rate at which physical writes occur for log files

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

InnoDB Log fsync() Write Frequency

Average rate at which fsync() write requests on log files are received

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Temporary Tables Qty

Number of temporary tables automatically created on hard disks when MySQL statements are executed

Unit: Table

≥ 0 tables

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Key Buffer Usage

MyISAM key buffer usage ratio

Unit: Ratio

0-1

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Key Buffer Write Hit Rate

MyISAM Key buffer write hit ratio of the monitored object

Unit: Ratio

0-1

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Key Buffer Read Hit Rate

MyISAM Key buffer read hit ratio of the monitored object

Unit: Ratio

0-1

Monitored object: database

Monitored instance type: MySQL instance

1 minute

MyISAM Disk Write Frequency

Rate at which indexes are written into disks

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

MyISAM Disk Read Frequency

Rate at which indexes are read from disks

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

MyISAM Buffer Pool Write Frequency

Rate at which requests on writing indexes into the MyISAM buffer pool are received

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

MyISAM Buffer Pool Read Frequency

Rate at which requests on reading indexes from the MyISAM buffer pool are received

Unit: Count/s

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Delete Operations per Second

Average rate at which Delete statements are executed

Unit: Execution/s

≥ 0 executions/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Insert Operations per Second

Average rate at which Insert statements are executed

Unit: Execution/s

≥ 0 executions/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Insert_Select Execute Speed

Average rate at which Insert_Select statements are executed

Unit: Execution/s

≥ 0 executions/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Replace Operations per Second

Average rate at which Replace statements are executed

Unit: Execution/s

≥ 0 executions/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Replace_Selection Execute Speed

Average rate at which Replace_Selection statements are executed

Unit: Execution/s

≥ 0 executions/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Select Operations per Second

Average rate at which Select statements are executed

Unit: Execution/s

≥ 0 executions/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Update Operations per Second

Average rate at which Update statements are executed

Unit: Execution/s

≥ 0 executions/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Row Delete Speed

Average rate at which rows are deleted from the InnoDB table

Unit: Row/s

≥ 0 rows/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Row Insert Speed

Average rate at which rows are inserted into the InnoDB table

Unit: Row/s

≥ 0 rows/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Row Read Speed

Average rate at which rows are read from the InnoDB table

Unit: Row/s

≥ 0 rows/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Row Update Speed

Average rate at which rows are updated in the InnoDB table

Unit: Row/s

≥ 0 rows/s

Monitored object: database

Monitored instance type: MySQL instance

1 minute

Disk Utilization (deprecated)

Disk usage of the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: MySQL instance

1 minute

Disk Utilization

Disk usage of the monitored object

Unit: Percent

0-100%

ECS

Monitored instance type: MySQL instance

1 minute

Total Disk Size

Total disk size of the monitored object

Unit: GB

40-2000 GB

ECS

Monitored instance type: MySQL instance

1 minute

Storage Space Used

Amount of used storage space size of the monitored object

Unit: GB

0-2000 GB

ECS

Monitored instance type: MySQL instance

1 minute

Disk Read Throughput

Rate at which data is read from a disk

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: MySQL instance

1 minute

Disk Write Throughput

Rate at which data is written to a disk

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: MySQL instance

1 minute

Average Time per Disk Read

Time required for reading 1 KB disk data

Unit: Second

> 0s

ECS

Monitored instance type: MySQL instance

1 minute

Average Time per Disk Write

Time required for writing 1 KB data to a disk

Unit: Second

> 0s

ECS

Monitored instance type: MySQL instance

1 minute

Average Disk Queue Length

Number of processes waiting to be written to the monitored object

≥ 0

ECS

Monitored instance type: MySQL instance

1 minute

Table 2 PostgreSQL metrics

Metric

Description

Value Range

Remarks

Monitoring Period (Raw Data)

CPU Usage

CPU consumed by the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: PostgreSQL instances

1 minute

CPU Usage

CPU consumed by the monitored object

Unit: Percent

0-100%

ECS

Monitored instance type: PostgreSQL instances

1 minute

Memory Usage

Memory usage of the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: PostgreSQL instances

1 minute

Memory Usage

Memory consumed by the monitored object

Unit: Percent

0-100%

ECS

Monitored instance type: PostgreSQL instances

1 minute

IOPS

Average rate at which I/O requests are processed during a specified period

Unit: Count/s

≥ 0 counts/s

ECS

Monitored instance type: PostgreSQL instances

1 minute

Network Input Throughput

Rate at which all incoming traffic passes through the network adapter

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: PostgreSQL instances

1 minute

Network Output Throughput

Rate at which all outgoing traffic passes through the network adapter

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: PostgreSQL instances

1 minute

Disk Utilization (deprecated)

Disk usage of the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: PostgreSQL instances

1 minute

Disk Utilization

Disk usage of the monitored object

0-100%

ECS

Monitored instance type: PostgreSQL instances

1 minute

Transaction Logs Usage

Disk capacity used by transaction logs

Unit: MB

≥ 0 MB

Monitored object: database

Monitored instance type: PostgreSQL instances

1 minute

Replication Slot Usage

Disk capacity used by replication slot files

Unit: MB

≥ 0 MB

Monitored object: database

Monitored instance type: PostgreSQL instances

1 minute

Maximum Used Transaction IDs

Maximum number of transaction IDs that has been used

Unit: Count

≥ 0 counts

Monitored object: database

Monitored instance type: PostgreSQL instances

1 minute

Transaction Logs Generation

Size of transaction logs generated per second

Unit: MB/s

≥ 0 MB/s

Monitored object: database

Monitored instance type: PostgreSQL instances

1 minute

Oldest Replication Slot Lag

Replica with the most lag in terms of WAL (write-ahead log) data received

Unit: MB

≥ 0 MB

Monitored object: database

Monitored instance type: PostgreSQL instances

1 minute

Replication Lag

Replication lag

Unit: ms

≥ 0 ms

Monitored object: database

Monitored instance type: PostgreSQL instances

1 minute

Total Disk Size

Total disk size of the monitored object

Unit: GB

40-2000 GB

ECS

Monitored instance type: PostgreSQL instances

1 minute

Storage Space Used

Amount of used storage space size of the monitored object

Unit: GB

0-2000 GB

ECS

Monitored instance type: PostgreSQL instances

1 minute

Disk Read Throughput

Rate at which data is read from a disk

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: PostgreSQL instances

1 minute

Disk Write Throughput

Rate at which data is written to a disk

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: PostgreSQL instances

1 minute

Average Time per Disk Read

Time required for reading 1 KB disk data

Unit: Second

> 0 s

ECS

Monitored instance type: PostgreSQL instances

1 minute

Average Time per Disk Write

Time required for writing 1 KB data to a disk

Unit: Second

> 0 s

ECS

Monitored instance type: PostgreSQL instances

1 minute

Average Disk Queue Length

Number of processes waiting to be written to the monitored object

≥ 0

ECS

Monitored instance type: PostgreSQL instances

1 minute

Table 3 Microsoft SQL Server metrics

Metric

Description

Value Range

Remarks

Monitoring Period (Raw Data)

CPU Usage (deprecated)

CPU consumed by the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

CPU Usage

CPU consumed by the monitored object

Unit: Percent

0-100%

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Memory Usage (deprecated)

Memory consumed by the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Memory Usage

Memory consumed by the monitored object

Unit: Percent

0-100%

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

IOPS

Average rate at which I/O requests are processed during a specified period

Unit: Count/s

≥ 0 counts/s

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Network Input Throughput

Rate at which all incoming traffic passes through the network adapter

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Network Output Throughput

Rate at which all outgoing traffic passes through the network adapter

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Disk Utilization (deprecated)

Disk usage of the monitored object

Unit: Ratio

0-1

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Disk Utilization

Disk usage of the monitored object

Unit: Percent

0-100%

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Total Disk Size

Total disk size of the monitored object

Unit: GB

40-2000 GB

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Storage Space Used

Amount of used storage space size of the monitored object

Unit: GB

0-2000 GB

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Disk Read Throughput

Rate at which data is read from a disk

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Disk Write Throughput

Rate at which data is written to a disk

Unit: byte/s

≥ 0 bytes/s

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Average Time per Disk Read

Time required for reading 1 KB disk data

Unit: Second

> 0 s

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Average Time per Disk Write

Time required for writing 1 KB data to a disk

Unit: Second

> 0 s

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Average Disk Queue Length

Number of processes waiting to be written to the monitored object

≥ 0

ECS

Monitored instance type: Microsoft SQL Server instance

1 minute

Database Connections In Use

Number of database connections in use

Unit: Count

≥0 counts

Monitored object: database

Monitored instance type: Microsoft SQL Server instance

1 minute