Amazon FSx publishes the metrics described in the following tables in the
AWS/FSx namespace in Amazon CloudWatch for all FSx for OpenZFS file systems:
Topics
FSx for OpenZFS network I/O metrics
The AWS/FSx namespace includes the following network I/O metrics.
| Metric | Description |
|---|---|
DataReadBytes |
The number of bytes for read operations for clients that access the file system. Unit: Bytes Valid statistic: |
DataWriteBytes |
The number of bytes for write operations for clients that access the file system. Unit: Bytes Valid statistic: |
DataReadOperations |
The number of read operations for clients that access the file system. Unit: Count Valid statistic: |
DataWriteOperations |
The number of write operations for clients that access the file system. Unit: Count Valid statistic: |
ClientConnections |
The number of active connections between clients and the file server. Unit: Count Valid statistics: |
MetadataOperations |
The number of metadata operations for clients that access the file system. Unit: Count Valid statistic: |
NfsBadCalls |
The number of calls rejected by the NFS server remote procedure call (RPC) mechanism. Unit: Count Valid statistic: |
FSx for OpenZFS file server metrics
The AWS/FSx namespace includes the following file server metrics.
| Metric | Description |
|---|---|
NetworkThroughputUtilization |
The network throughput for clients that access the file system, as a percentage of the provisioned limit. For Multi-AZ file systems, this metric includes replication traffic. Unit: Percent Valid statistics: |
CPUUtilization |
The percentage utilization of your file server’s CPU resources. Unit: Percent Valid statistics: |
FileServerDiskThroughputUtilization |
The disk throughput between your file server and its storage volumes. Listed as a percentage of the provisioned limit, which is determined by throughput capacity. Unit: Percent Valid statistics: |
FileServerDiskThroughputBalance |
The percentage of available burst credits for disk throughput between your file server and its storage volumes. Unit: Percent Valid statistics: |
FileServerDiskIopsUtilization |
The disk IOPS between your file server and storage volumes, as a percentage of the provisioned limit, which is determined by throughput capacity. Unit: Percent Valid statistics: |
FileServerDiskIopsBalance |
The percentage of available burst credits for disk IOPS between your file server and its storage volumes. Unit: Percent Valid statistics: |
MemoryUtilization |
The percentage of your file server’s memory resources that are utilized. Unit: Percent Valid statistics: |
FileServerCacheHitRatio |
The percentage of cache hits. For Single-AZ 2 (non-HA and HA) file systems, this metric reports the cache hit ratio for both the in-memory (ARC) and NVMe (L2ARC) caches. For Single-AZ 1 (non-HA and HA) file systems, this metric reports only the cache hit ratio for the ARC cache. Unit: Percent Valid statistics: |
FSx for OpenZFS disk metrics
The AWS/FSx namespace includes the following disk metrics.
| Metric | Description |
|---|---|
DiskReadBytes |
The number of bytes for read operations that access storage volumes. Unit: Bytes Valid statistic: |
DiskWriteBytes |
The number of bytes for write operations that access storage volumes. Unit: Bytes Valid statistic: |
DiskReadOperations |
The number of read operations for the file server that accesses storage volumes. Unit: Count Valid statistic: |
DiskWriteOperations |
The number of write operations for the file server that accesses storage volumes. Unit: Count Valid statistic: |
DiskThroughputBalance |
The percentage of available burst credits for disk throughput for the storage volumes. Unit: Percent Valid statistics: |
DiskIopsUtilization |
The disk IOPS between your file server and storage volumes, as a percentage of the provisioned IOPS limit that has been determined by the storage volumes. Unit: Percent Valid statistics: |
FSx for OpenZFS storage capacity metrics
The AWS/FSx namespace includes the following storage capacity
metrics.
| Metric | Description |
|---|---|
StorageCapacity |
The total storage capacity, equal to the sum of used and available storage capacity. Unit: Bytes Valid statistics: |
UsedStorageCapacity |
The amount of storage that's used. Unit: Bytes Valid statistics: |
CompressionRatio |
The ratio of compressed storage usage to uncompressed storage usage. Valid statistics: |
FSx for OpenZFS dimensions
FSx for OpenZFS provides additional dimensions to further refine the metrics listed in
the previous table. FSx for OpenZFS metrics use the FSx namespace and provide
metrics at the file system or volume granularity by using the FileSystemId or
VolumeId.
| Dimension | Description |
|---|---|
|
This dimension filters the metrics that you request to an individual file system. |
|
This dimension filters the metrics that you request to an individual volume within a file
system. This dimension must be used in combination with
|
|
This dimension filters the metrics that you request by the type of cache used, either ARC for in-memory caching or L2ARC for SSD and NVMe caching.
This dimension must be used in combination with |
|
This dimension filters the metrics that you requested to a specific type of stored data. Metrics with |
FSx for OpenZFS metrics use the FSx namespace and provide metrics for the
dimensions that are listed in the table above.
