Updated on 2024-03-07 GMT+08:00

RDS Monitoring Metrics Description

Function Description

This section describes namespaces, descriptions, and dimensions of monitoring metrics reported to Cloud Eye. You can query monitoring metrics and alarm information reported to Cloud Eye over its API.

Namespace

SYS.RDS

Monitoring Metrics

Table 1 RDS performance metrics

Metric

Name

Description

Value Range

Remarks

rds001_cpu_util

CPU Usage

CPU usage of the monitored object

0%–100%

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds002_mem_util

Memory Usage

Memory usage of the monitored object

0%–100%

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds003_iops

IOPS

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

≥ 0 counts/s

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds004_bytes_in

Network Input Throughput

Incoming traffic in bytes per second

≥ 0 bytes/s

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds005_bytes_out

Network Output Throughput

Outgoing traffic in bytes per second

≥ 0 bytes/s

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds006_conn_count

Total Connections

Total number of connections that attempt to connect to the MySQL server

≥ 0 counts

Monitored object: database

Monitored instance type: MySQL instances

rds007_conn_active_count

Current Active Connections

Number of current active connections

≥ 0 counts

Monitored object: database

Monitored instance type: MySQL instances

rds008_qps

QPS

Query times of SQL statements (including storage procedures) per second

≥ 0 times/s

Monitored object: database

Monitored instance type: MySQL instances

rds009_tps

TPS

Execution times of submitted and rollback transactions per second

≥ 0 times/s

Monitored object: database

Monitored instance type: MySQL instances

rds010_innodb_buf_usage

Buffer Pool Usage

Ratio of dirty data to all data in the InnoDB buffer

0-1

Monitored object: database

Monitored instance type: MySQL instances

rds011_innodb_buf_hit

Buffer Pool Hit Rate

Ratio of read hits to read requests in the InnoDB buffer

0-1

Monitored object: database

Monitored instance type: MySQL instances

rds012_innodb_buf_dirty

Buffer Pool Dirty Block Rate

Ratio of used pages to total pages in the InnoDB buffer

0-1

Monitored object: database

Monitored instance type: MySQL instances

rds013_innodb_reads

InnoDB Read Throughput

Number of read bytes per second in the InnoDB buffer

≥ 0 bytes/s

Monitored object: database

Monitored instance type: MySQL instances

rds014_innodb_writes

InnoDB Write Throughput

Number of write bytes per second in the InnoDB buffer

≥ 0 bytes/s

Monitored object: database

Monitored instance type: MySQL instances

rds015_innodb_read_count

InnoDB File Read Frequency

Number of times that InnoDB reads data from files per second

≥ 0 times/s

Monitored object: database

Monitored instance type: MySQL instances

rds016_innodb_write_count

InnoDB File Write Frequency

Number of times that InnoDB writes data to files per second

≥ 0 times/s

Monitored object: database

Monitored instance type: MySQL instances

rds017_innodb_log_write_req_count

InnoDB Log Write Requests per Second

Number of InnoDB log write requests per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds018_innodb_log_write_count

InnoDB Log Physical Write Frequency

Number of InnoDB physical write times to log files per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds019_innodb_log_fsync_count

InnoDB Log fsync() Write Frequency

Number of completed fsync() write times to InnoDB log files per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds020_temp_tbl_count

Temporary Tables

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

≥ 0 counts

Monitored object: database

Monitored instance type: MySQL instances

rds021_myisam_buf_usage

Key Buffer Usage

MyISAM key buffer usage

0-1

Monitored object: database

Monitored instance type: MySQL instances

rds022_myisam_buf_write_hit

Key Buffer Write Hit Ratio

MyISAM key buffer write hit ratio

0-1

Monitored object: database

Monitored instance type: MySQL instances

rds023_myisam_buf_read_hit

Key Buffer Read Hit Ratio

MyISAM key buffer read hit ratio

0-1

Monitored object: database

Monitored instance type: MySQL instances

rds024_myisam_disk_write_count

MyISAM Disk Write Frequency

Number of times that indexes are written to disks per second

≥ 0 times/s

Monitored object: database

Monitored instance type: MySQL instances

rds025_myisam_disk_read_count

MyISAM Disk Read Frequency

Number of times that indexes are read from disks per second

≥ 0 times/s

Monitored object: database

Monitored instance type: MySQL instances

rds026_myisam_buf_write_count

MyISAM Buffer Pool Write Requests per Second

Number of requests for writing indexes into the MyISAM buffer pool per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds027_myisam_buf_read_count

MyISAM Buffer Pool Read Requests per Second

Number of requests for reading indexes from the MyISAM buffer pool per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds028_comdml_del_count

DELETE Statements per Second

Number of DELETE statements executed per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds029_comdml_ins_count

INSERT Statements per Second

Number of INSERT statements executed per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds030_comdml_ins_sel_count

INSERT_SELECT Statements per Second

Number of INSERT_SELECT statements executed per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds031_comdml_rep_count

REPLACE Statements per Second

Number of REPLACE statements executed per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds032_comdml_rep_sel_count

REPLACE_SELECTION Statements per Second

Number of REPLACE_SELECTION statements executed per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds033_comdml_sel_count

SELECT Statements per Second

Number of SELECT statements executed per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds034_comdml_upd_count

UPDATE Statements per Second

Number of UPDATE statements executed per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds035_innodb_del_row_count

Row Delete Frequency

Number of rows deleted from the InnoDB table per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds036_innodb_ins_row_count

Row Insert Frequency

Number of rows inserted into the InnoDB table per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds037_innodb_read_row_count

Row Read Frequency

Number of rows read from the InnoDB table per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds038_innodb_upd_row_count

Row Update Frequency

Number of rows updated into the InnoDB table per second

≥ 0 counts/s

Monitored object: database

Monitored instance type: MySQL instances

rds039_disk_util

Storage Space Usage

Storage space usage of the monitored object

0%–100%

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds040_transaction_logs_usage

Transaction Logs Usage

Storage space usage of transaction logs

≥ 0 MB

Monitored object: database

Monitored instance type: PostgreSQL instances

rds041_replication_slot_usage

Replication Slot Usage

Storage space usage of replication slot files

≥ 0 MB

Monitored object: database

Monitored instance type: PostgreSQL instances

rds042_database_connections

Database Connections in Use

Number of database connections in use

≥ 0 counts

Monitored object: database

Monitored instance type: PostgreSQL instances

rds043_maximum_used_transaction_ids

Maximum Used Transaction IDs

Maximum number of transaction IDs that have been used

≥ 0 counts

Monitored object: database

Monitored instance type: PostgreSQL instances

rds044_transaction_logs_generations

Transaction Logs Generation

Size of transaction logs generated per second

≥ 0 MB/s

Monitored object: database

Monitored instance type: PostgreSQL instances

rds045_oldest_replication_slot_lag

Oldest Replication Slot Lag

Lagging size of the most lagging replica in terms of WAL data received

≥ 0 MB

Monitored object: database

Monitored instance type: PostgreSQL instances

rds046_replication_lag

Replication Lag

Replication lag delay

≥ 0 ms

Monitored object: database

Monitored instance type: PostgreSQL instances

rds047_disk_total_size

Total Storage Space

Total storage space of the monitored object

40–4000 GB

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds048_disk_used_size

Used Storage Space

Used storage space of the monitored object

0–4000 GB

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds049_disk_read_throughput

Disk Read Throughput

Number of bytes read from the disk per second

≥ 0 bytes/s

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds050_disk_write_throughput

Disk Write Throughput

Number of bytes written into the disk per second

≥ 0 bytes/s

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds051_avg_disk_sec_per_read

Disk Read Time

Average time required for each disk read in a specified period

≥ 0 ms

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds052_avg_disk_sec_per_write

Disk Write Time

Average time required for each disk write in a specified period

> 0 ms

Monitored object: ECS. Monitored DB instance type:

  • MySQL
  • PostgreSQL

rds053_avg_disk_queue_length

Average Disk Queue Length

Number of processes to be written into the monitored object

≥ 0

Monitored object: ECS. Monitored DB instance type:

  • MySQL

rds077_buff_write_rate

Buffer Pool Write Frequency

Write frequency of the database buffer pool

≥ 0 counts/s

Monitored object: database

Monitored instance type:

rds078_buff_read_rate

Buffer Pool Read Frequency

Read frequency of the database buffer pool

≥ 0 counts/s

Monitored object: database

Monitored instance type:

rds079_disk_write_rate

Disk Write Frequency

Write frequency of the database disk

≥ 0 counts/s

Monitored object: database

Monitored instance type:

rds080_disk_read_rate

Disk Read Frequency

Read frequency of the database disk

≥ 0 counts/s

Monitored object: database

Monitored instance type:

Dimension

Key

Value

rds_instance_id

Specifies the MySQL DB instance ID.

postgresql_instance_id

Specifies the PostgreSQL DB instance ID.

API Calling

Use APIs to search for RDS monitoring metrics. For details about calling methods and parameter description, see section "Querying Monitoring Data" in the Cloud Eye API Reference.

Examples:

  • Request
/V1.0/{project_id}/metric-data?namespace=SYS.RDS&metric_name=rds001_cpu_usage&dim.0=rds_instance_id,5ea170ad-cc6b-49cd-9020-e94fdbeea391&from=1484123686000&to=1568188853000&period=300&filter=average
  • Response:
{
    "datapoints": [
        {
            "average": 0.35, 
            "timestamp": 1484123400000, 
            "unit": "Ratio"
        },
        {
            "average": 0.11, 
            "timestamp": 1484123700000, 
            "unit": "Ratio"
        }
    ], 
    "metric_name": "rds001_cpu_usage",
    "httpcode" : 200,
    "header" : {
    "Transfer-Encoding" : "chunked",
    "Server" : "Web Server",
    "X-Request-Id" : "te-I-CES-APISVR25.id-0418d62a-1e76-46ff-9a5f-9ce40b336e29.ts-1484123744291.c-15046",
    "X-Content-Type-Options" : "nosniff",
    "Connection" : "keep-alive",
    "X-Download-Options" : "noopen",
    "Date" : "Wed, 11 Jan 2017 08:35:44 GMT",
    "X-Frame-Options" : "DENY",
    "Strict-Transport-Security" : "max-age=31536000; includeSubdomains;",
    "Cache-Control" : "no-cache",
    "X-XSS-Protection" : "1; mode=block;",
    "Content-Length" : "165",
    "Content-Type" : "application/json"
}
}