What is read latency in RDS?

RDS. ReadLatency metric is one of the CloudWatch metrics automatically collected on RDS instances (the AWS-hosted MySQL service). Read Latency in this context refers to, in AWS’s words, “The average amount of time taken per disk I/O operation”.

What is write latency in RDS?

Read Latency, Write Latency – The average time for a read or write operation in milliseconds. Read Throughput, Write Throughput – The average number of megabytes read from or written to disk per second. Queue Depth – The number of I/O operations that are waiting to be written to or read from disk.

What is read throughput in AWS RDS?

Throughput – The number of bytes each second that are transferred to or from disk. This metric is reported as the average throughput for a given time interval. Amazon RDS reports read and write throughput separately on 1-minute intervals using units of megabytes per second (MB/s).

What should I monitor on RDS?

Availability

• Cluster Health. If you have a distributed database, you should be aware of whether each instance and your cluster as a whole are healthy.
• Maintenance Windows.
• Resource Usage and System Errors.
• Human Error.
• RDS Metrics.
• Instance Metrics.
• Slow Query Log.
• Instance Type.

What should I monitor in RDS?

From the Amazon RDS console, you can monitor the following items for your resources:

• The number of connections to a DB instance.
• The amount of read and write operations to a DB instance.
• The amount of storage that a DB instance is currently using.
• The amount of memory and CPU being used for a DB instance.

What is RDS describe the working process of RDS with figure?

Amazon Relational Database Service (RDS) is a managed SQL database service provided by Amazon Web Services (AWS). Amazon RDS supports an array of database engines to store and organize data. It also helps with relational database management tasks, such as data migration, backup, recovery and patching.

Why is RDS used?

RDS is a service used to manage database engines and instances, including Amazon Aurora databases. Amazon Aurora Serverless can also be used to manage instances of Amazon Aurora. Its automation features relieve developers from having to manually launch servers and manage database capacity.

How do I check my RDS status?

You can view the status of a DB instance by using the Amazon RDS console, the AWS CLI command describe-db-instances, or the API operation DescribeDBInstances. Amazon RDS also uses another status called maintenance status, which is shown in the Maintenance column of the Amazon RDS console.

What is storage latency?

Latency is the outcome from all of the other performance points that are built into the storage pathway. It’s the amount of time that an application will have to wait before being told that a storage operation completed.