Once you’ve integrated with AWS CloudWatch, you have access to metrics from AWS Elastic File System, which gives users of AWS Cloud services and on-premises resources access to a straightforward, serverless, set-and-forget elastic file system. It is designed to grow and shrink automatically as you add and remove files, removing the need to provision and manage capacity to accommodate growth. It can scale on demand to petabytes without interfering with applications.
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To verify metrics are reporting, search for the metrics on the Metric details page in Project settings.
The following table shows the Elastic File System metrics ingested by Lightstep.
|aws.efs.time_since_last_sync||seconds||The duration since the last successful sync to the target file system in a replication configuration.|
|aws.efs.percent_io_limit||percent||Identifies the file system's proximity to the General Purpose performance mode's I/O limit. Consider switching your application to a file system with the Max I/O performance mode if this metric is consistently at 100%. Note: Only file systems using the General Purpose performance mode are submitted for this metric.|
|aws.efs.burst_credit_balance||bytes||The quantity of burst credits a file system possesses. Burst credits enable a file system to temporarily reach throughput levels that are higher than its default level.|
|aws.efs.permitted_throughput||bytes per second||The highest throughput a file system is capable of supporting. If the quantity of data stored in the EFS Standard storage class enables your file system to drive a greater throughput than you provisioned, this statistic shows the higher throughput rather than the provisioned amount for file systems in the Provisioned Throughput mode. This value depends on the file system size and the burst credit balance for file systems operating in burst throughput mode.|
|aws.efs.metered_io_bytes||count||The total number of bytes that were metered for each file system operation, including data read, write, and metadata activities; read operations were metered at a rate of 1/3 the rate of other operations.|
|aws.efs.total_io_bytes||bytes||The quantity of data saved in the EFS Standard and EFS Standard-Infrequent Access (EFS Standard-IA) storage classes is included in the file system's size in bytes. Every 15 minutes, this measure is sent to CloudWatch.|
|aws.efs.data_read_io_bytes||bytes||The amount of data in bytes used for each read operation on a file system.|
|aws.efs.data_write_io_bytes||bytes||The amount of data in bytes used in each write operation on a file system.|
|aws.efs.metadata_io_bytes||bytes||The amount of data in bytes used for each metadata operation.|
|aws.efs.client_connections||bytes||The number of client connected to a file system. There is only one connection per mounted Amazon EC2 instance when using a normal client.|
|aws.efs.storage_bytes||bytes||The quantity of data saved in the EFS Standard and EFS Standard-Infrequent Access (EFS Standard-IA) storage classes is included in the file system's size in bytes. Every 15 minutes, this measure is sent to CloudWatch.|