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AWS Integration - RDS

Mackerel supports obtaining and monitoring Amazon Relational Database Service (RDS) metrics in AWS Integration.

Please refer to the following page for AWS Integration configuration methods and a list of supported AWS services.
AWS Integration

Obtaining metrics

The metrics obtainable with AWS Integration’s RDS support are as follows. For Metric explanations, refer to the AWS help page.

Graph name Metric Metric name in Mackerel Unit Statistics
CPU CPUUtilization rds.cpu.used percentage Average
CPU Credit CPUCreditUsage
CPUCreditBalance
rds.cpu_credit.used
rds.cpu_credit.balance
integer Average
Database Connections DatabaseConnections rds.database_connections.used float Average
Disk Queue DiskQueueDepth rds.disk_queue.depth float Average
BinLog Disk Usage BinLogDiskUsage rds.disk_usage.bin_log bytes Average
Memory FreeableMemory
SwapUsage
rds.memory.free
rds.memory.swap
bytes Average
Free Storage Space FreeStorageSpace rds.disk.free bytes Average
Replica Lag ReplicaLag rds.replica_lag.lag float Average
Disk IOPS ReadIOPS
WriteIOPS
rds.diskiops.read
rds.diskiops.write
iops Average
Disk Latency ReadLatency
WriteLatency
rds.latency.read
rds.latency.write
float Average
Disk Throughput ReadThroughput
WriteThroughput
rds.throughput.read
rds.throughput.write
bytes/sec Average
Network Throughput NetworkReceiveThroughput
NetworkTransmitThroughput
rds.network_throughput.read
rds.network_throughput.transmit
bytes/sec Average

Precautions

Among the graphs/metrics obtainable with AWS Integration, metrics included in the following graph are usually obtained in 5 minute intervals (only when using T2 instances).

  • CPU Credit

This is specified by the AWS CloudWatch API.

When creating monitoring rules for metrics with a 5-minute interval, the “condition duration” can only be configured for “monitoring an average value of 1 minute” (if any other value is selected, monitoring will not be done due to insufficient data points necessary for calculating the average value).

In addition, if this granularity is continually used, Mackerel metrics will be rounded to NULL as a result of the ratio of valid data points, and will not be displayed in graphs. (For more information on Mackerel’s metric retention granularity, please refer to the Mackerel Overview - Metric Retention)