Updated on 2025-10-16 GMT+08:00

Configuring Displayed Metrics

The RDS Agent monitors RDS DB instances and collects monitoring metrics only.

This section describes the metrics supported by RDS. It covers description, namespaces, monitoring metrics, and dimensions.

Description

This section describes the RDS for SQL Server metrics that can be monitored by Cloud Eye as well as their namespaces and dimensions. You can use APIs provided by Cloud Eye to query the monitoring metrics and alarms generated for RDS for SQL Server.

Namespace

SYS.RDS

DB Instance Monitoring Metrics

Table 1 Performance metrics

Metric ID

Name

Description

Value Range

Unit

Conversion Rule

Dimension

Monitoring Interval (Raw Data)

rds001_cpu_util

CPU Usage

CPU usage of the monitored object

0–100

%

N/A

rds_cluster_sqlserver_id

1 minute

rds003_iops

IOPS

Average number of I/O requests processed by the system in a specified period

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds039_disk_util

Storage Space Usage

Storage space usage of the monitored object

0–100

%

N/A

rds_cluster_sqlserver_id

1 minute

rds002_mem_util

Memory Usage

Memory usage of the monitored object

0–100

%

N/A

rds_cluster_sqlserver_id

1 minute

rds004_bytes_in

Network Input Throughput

Incoming traffic in bytes per second

≥ 0

KiB/s

1024

rds_cluster_sqlserver_id

1 minute

rds005_bytes_out

Network Output Throughput

Outgoing traffic in bytes per second

≥ 0

KiB/s

1024

rds_cluster_sqlserver_id

1 minute

rds049_disk_read_throughput

Disk Read Throughput

Number of bytes read from the disk per second

≥ 0

Byte/s

1024

rds_cluster_sqlserver_id

1 minute

rds050_disk_write_throughput

Disk Write Throughput

Number of bytes written into the disk per second

≥ 0

Byte/s

1024

rds_cluster_sqlserver_id

1 minute

rds047_disk_total_size

Total Storage Space

Total storage space of the monitored object

40–4000

GiB

1024

rds_cluster_sqlserver_id

1 minute

rds048_disk_used_size

Used Storage Space

Used storage space of the monitored object

0–4000

GiB

1024

rds_cluster_sqlserver_id

1 minute

rds053_avg_disk_queue_length

Average Disk Queue Length

Number of processes to be written into the monitored object

≥ 0

count

N/A

rds_cluster_sqlserver_id

1 minute

rds054_db_connections_in_use

Database Connections in Use

Number of database connections in use

≥ 0

count

N/A

rds_cluster_sqlserver_id

1 minute

rds055_transactions_per_sec

Transactions per Second

Number of transactions started for the database per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds056_batch_per_sec

Batches per Second

Number of Transact-SQL command batches received per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds057_logins_per_sec

Logins per Second

Total number of logins started per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds058_logouts_per_sec

Logouts per Second

Total number of logouts started per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds059_cache_hit_ratio

Cache Hit Ratio

Ratio of pages found in the buffer cache without having to read from the disk to total pages

0–100

%

N/A

rds_cluster_sqlserver_id

1 minute

rds060_sql_compilations_per_sec

SQL Compilations per Second

Number of SQL compilations per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds061_sql_recompilations_per_sec

SQL Recompilations per Second

Number of SQL recompilations per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds062_full_scans_per_sec

Full Scans per Second

Number of unrestricted full scans per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds063_errors_per_sec

Errors per Second

Number of errors per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds064_latch_waits_per_sec

Latch Waits per Second

Number of latch requests that have not been granted immediately

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds065_lock_waits_per_sec

Lock Waits per Second

Number of lock wait requests per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds066_lock_requests_per_sec

Lock Requests per Second

Number of new locks and lock conversions per second requested from the lock manager

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds067_timeouts_per_sec

Lock Timeouts per Second

Number of lock timeouts per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds068_avg_lock_wait_time

Average Lock Wait Time

Average wait time (ms) of lock requests

≥ 0

ms

N/A

rds_cluster_sqlserver_id

1 minute

rds069_deadlocks_per_sec

Deadlocks per Second

Number of deadlocks per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds070_checkpoint_pages_per_sec

Checkpoint Pages per Second

Number of pages flushed to the disk per second by a checkpoint or other operations that require all dirty pages to be flushed

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

rds077_replication_delay

Replication Delay

Delay for replication between primary and standby DB instances. The replication delay of RDS for SQL Server DB instances is at the database level because data is synchronized on each database. The instance-level replication delay refers to the maximum replication delay of the databases (the delay 0s for single-node DB instances).

≥ 0

s

N/A

rds_cluster_sqlserver_id

1 minute

mssql_mem_grant_pending

Memory Grants Pending

Total number of processes waiting for a workspace memory grant

≥ 0

count

N/A

rds_cluster_sqlserver_id

1 minute

mssql_lazy_write_per_sec

Lazy Writes per Second

Number of lazy writes per second

≥ 0

count/s

N/A

rds_cluster_sqlserver_id

1 minute

mssql_page_life_expectancy

Page Life Expectancy

Number of seconds a page will stay in the buffer pool without references

≥ 0

s

N/A

rds_cluster_sqlserver_id

1 minute

mssql_page_reads_per_sec

Page Reads per Second

Number of page reads per second

≥ 0

count

N/A

rds_cluster_sqlserver_id

1 minute

mssql_tempdb_disk_size

Temporary Tablespace Size

Disk space occupied by the current temporary tablespace

≥ 0

MiB

1024

rds_cluster_sqlserver_id

1 minute

mssql_worker_threads_usage_rate

Usage of Worker Threads

Ratio of the total worker threads to the value of Max Worker Threads.

0–100

%

N/A

rds_cluster_sqlserver_id

1 minute

sys015_mem_paged_pool

Paged Pool

The paged pool occupied by the current OS

0–99999999

MiB

N/A

rds_cluster_sqlserver_id

120 minutes

sys018_mem_modified

Modified Memory

The modified memory occupied by the current OS

0–99999999

MiB

N/A

rds_cluster_sqlserver_id

5 minutes

Dimension

Key

Value

rds_cluster_sqlserver_id

RDS for SQL Server instance ID

You can obtain the value by referring to Querying DB Instances.