Supported metrics for Microsoft.StorageCache/caches

The following table lists the metrics available for the Microsoft.StorageCache/caches resource type.

Table headings

Metric - The metric display name as it appears in the Azure portal.
Name in Rest API - Metric name as referred to in the REST API.
Unit - Unit of measure.
Aggregation - The default aggregation type. Valid values: Average, Minimum, Maximum, Total, Count.
Dimensions - Dimensions available for the metric.
Time Grains - Intervals at which the metric is sampled. For example, PT1M indicates that the metric is sampled every minute, PT30M every 30 minutes, PT1H every hour, and so on.
DS Export- Whether the metric is exportable to Azure Monitor Logs via Diagnostic Settings. For information on exporting metrics, see Create diagnostic settings in Azure Monitor.

For information on metric retention, see Azure Monitor Metrics overview.

For a list of supported logs, see Supported log categories - Microsoft.StorageCache/caches

Metric	Name in REST API	Unit	Aggregation	Dimensions	Time Grains	DS Export
Total Client IOPS The rate of client file operations processed by the Cache.	ClientIOPS	Count	Minimum, Maximum, Average	<none>	PT1M	Yes
Average Client Latency Average latency of client file operations to the Cache.	ClientLatency	MilliSeconds	Minimum, Maximum, Average	<none>	PT1M	Yes
Client Lock IOPS Client file locking operations per second.	ClientLockIOPS	CountPerSecond	Minimum, Maximum, Average	<none>	PT1M	Yes
Client Metadata Read IOPS The rate of client file operations sent to the Cache, excluding data reads, that do not modify persistent state.	ClientMetadataReadIOPS	CountPerSecond	Minimum, Maximum, Average	<none>	PT1M	Yes
Client Metadata Write IOPS The rate of client file operations sent to the Cache, excluding data writes, that modify persistent state.	ClientMetadataWriteIOPS	CountPerSecond	Minimum, Maximum, Average	<none>	PT1M	Yes
Client Read IOPS Client read operations per second.	ClientReadIOPS	CountPerSecond	Minimum, Maximum, Average	<none>	PT1M	Yes
Average Cache Read Throughput Client read data transfer rate.	ClientReadThroughput	BytesPerSecond	Minimum, Maximum, Average	<none>	PT1M	Yes
Client Status Client connection information.	ClientStatus	Count	Total	ClientSource, CacheAddress, ClientAddress, Protocol, ConnectionType	PT1M	Yes
Client Write IOPS Client write operations per second.	ClientWriteIOPS	CountPerSecond	Minimum, Maximum, Average	<none>	PT1M	Yes
Average Cache Write Throughput Client write data transfer rate.	ClientWriteThroughput	BytesPerSecond	Minimum, Maximum, Average	<none>	PT1M	Yes
File Operations Number of file operations per second.	FileOps	CountPerSecond	Minimum, Maximum, Average	SourceFile, Rank, FileType	PT1M	Yes
File Reads Number of bytes per second read from a file.	FileReads	BytesPerSecond	Minimum, Maximum, Average	SourceFile, Rank, FileType	PT1M	Yes
File Updates Number of directory updates and metadata operations per second.	FileUpdates	CountPerSecond	Minimum, Maximum, Average	SourceFile, Rank, FileType	PT1M	Yes
File Writes Number of bytes per second written to a file.	FileWrites	BytesPerSecond	Minimum, Maximum, Average	SourceFile, Rank, FileType	PT1M	Yes
Storage Target Access Errors Received The rate of access error responses received by the cache from a specific StorageTarget. For more details, see https://www.rfc-editor.org/rfc/rfc1813#section-2.6 (NFS3ERR_ACCES).	StorageTargetAccessErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
StorageTarget Asynchronous Write Throughput The rate the Cache asynchronously writes data to a particular StorageTarget. These are opportunistic writes that do not cause clients to block.	StorageTargetAsyncWriteThroughput	BytesPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Blocks Recycled Total number of 16k cache blocks recycled (freed) per Storage Target.	StorageTargetBlocksRecycled	Count	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target File Too Large Errors Received The rate of file too large error responses received by the cache from a specific StorageTarget. For more details, see https://www.rfc-editor.org/rfc/rfc1813#section-2.6 (NFS3ERR_FBIG).	StorageTargetFileTooLargeErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
StorageTarget Fill Throughput The rate the Cache reads data from the StorageTarget to handle a cache miss.	StorageTargetFillThroughput	BytesPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Total Flush Failures The rate of file flush request failures reported by the writeback state machine for a specific StorageTarget.	StorageTargetFlushFailureErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Free Read Space Read space available for caching files associated with a storage target.	StorageTargetFreeReadSpace	Bytes	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Free Write Space Write space available for changed files associated with a storage target.	StorageTargetFreeWriteSpace	Bytes	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Health Boolean results of connectivity test between the Cache and Storage Targets.	StorageTargetHealth	Count	Minimum, Maximum, Average	<none>	PT1M	Yes
Total StorageTarget IOPS The rate of all file operations the Cache sends to a particular StorageTarget.	StorageTargetIOPS	Count	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
StorageTarget Latency The average round trip latency of all the file operations the Cache sends to a partricular StorageTarget.	StorageTargetLatency	MilliSeconds	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
StorageTarget Metadata Read IOPS The rate of file operations that do not modify persistent state, and excluding the read operation, that the Cache sends to a particular StorageTarget.	StorageTargetMetadataReadIOPS	CountPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
StorageTarget Metadata Write IOPS The rate of file operations that do modify persistent state and excluding the write operation, that the Cache sends to a particular StorageTarget.	StorageTargetMetadataWriteIOPS	CountPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target No Space Errors Received The rate of no space available error responses received by the cache from a specific StorageTarget. For more details, see https://www.rfc-editor.org/rfc/rfc1813#section-2.6 (NFS3ERR_NOSPC).	StorageTargetNoSpaceErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Permission Errors Received The rate of permission error responses received by the cache from a specific StorageTarget. For more details, see https://www.rfc-editor.org/rfc/rfc1813#section-2.6 (NFS3ERR_PERM).	StorageTargetPermissionErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Quota Limit Errors Received The rate of quota limit error responses received by the cache from a specific StorageTarget. For more details, see https://www.rfc-editor.org/rfc/rfc1813#section-2.6 (NFS3ERR_DQUOT).	StorageTargetQuotaLimitErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
StorageTarget Read Ahead Throughput The rate the Cache opportunisticly reads data from the StorageTarget.	StorageTargetReadAheadThroughput	BytesPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
StorageTarget Read IOPS The rate of file read operations the Cache sends to a particular StorageTarget.	StorageTargetReadIOPS	CountPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Read-Only Filesystem Errors Received The rate of read-only filesystem error responses received by the cache from a specific StorageTarget. For more details, see https://www.rfc-editor.org/rfc/rfc1813#section-2.6 (NFS3ERR_ROFS).	StorageTargetReadOnlyErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Recycle Rate Cache space recycle rate associated with a storage target in the HPC Cache. This is the rate at which existing data is cleared from the cache to make room for new data.	StorageTargetRecycleRate	BytesPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Request Too Small Errors Received The rate of request too small error responses received by the cache from a specific StorageTarget. For more details, see https://www.rfc-editor.org/rfc/rfc1813#section-2.6 (NFS3ERR_TOOSMALL).	StorageTargetRequestTooSmallErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Retryable Flush Request Errors The rate of retryable file flush errors reported by the writeback state machine for a specific StorageTarget.	StorageTargetRetryableFlushErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Space Allocation Total space (read and write) allocated for a storage target.	StorageTargetSpaceAllocation	Bytes	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
StorageTarget Synchronous Write Throughput The rate the Cache synchronously writes data to a particular StorageTarget. These are writes that do cause clients to block.	StorageTargetSyncWriteThroughput	BytesPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Total Cache Ops The rate of operations the cache is servicing for the namespace represented by a specific StorageTarget.	StorageTargetTotalCacheOps	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Total Read Space Total read space allocated for caching files associated with a storage target.	StorageTargetTotalReadSpace	Bytes	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
StorageTarget Total Read Throughput The total rate that the Cache reads data from a particular StorageTarget.	StorageTargetTotalReadThroughput	BytesPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Total Write Space Total write space allocated for changed files associated with a storage target.	StorageTargetTotalWriteSpace	Bytes	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
StorageTarget Total Write Throughput The total rate that the Cache writes data to a particular StorageTarget.	StorageTargetTotalWriteThroughput	BytesPerSecond	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Uncoverable Flush Request Errors The rate of unrecoverable file flush errors reported by the writeback state machine for a specific StorageTarget.	StorageTargetUnrecoverableFlushErrors	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Update Found Asynchronous Verification Cache Ops The rate of file updates discovered by asynchronous verification operations sent by the cache to a specific StorageTarget.	StorageTargetUpdateFoundAsyncCacheOps	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Update Found Synchronous Verification Cache Ops The rate of file updates discovered by synchronous verification operations sent by the cache to a specific StorageTarget.	StorageTargetUpdateFoundSyncCacheOps	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Used Read Space Read space used by cached files associated with a storage target.	StorageTargetUsedReadSpace	Bytes	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Used Write Space Write space used by changed files associated with a storage target.	StorageTargetUsedWriteSpace	Bytes	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Storage Target Asynchronous Verification Cache Ops The rate of asynchronous verification operations sent by the cache to a specific StorageTarget.	StorageTargetVerificationAsyncCacheOps	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
Storage Target Synchronous Verification Cache Ops The rate of synchronous verification operations sent by the cache to a specific StorageTarget.	StorageTargetVerificationSyncCacheOps	Count	Minimum, Maximum, Average, Total	StorageTarget	PT1M	Yes
StorageTarget Write IOPS The rate of the file write operations the Cache sends to a particular StorageTarget.	StorageTargetWriteIOPS	Count	Minimum, Maximum, Average	StorageTarget	PT1M	Yes
Total Blocks Recycled Total number of 16k cache blocks recycled (freed) for the HPC Cache.	TotalBlocksRecycled	Count	Minimum, Maximum, Average	<none>	PT1M	Yes
Free Read Space Total space available for caching read files.	TotalFreeReadSpace	Bytes	Minimum, Maximum, Average	<none>	PT1M	Yes
Free Write Read Space Total write space available to store changed data in the cache.	TotalFreeWriteSpace	Bytes	Minimum, Maximum, Average	<none>	PT1M	Yes
Recycle Rate Total cache space recycle rate in the HPC Cache. This is the rate at which existing data is cleared from the cache to make room for new data.	TotalRecycleRate	BytesPerSecond	Minimum, Maximum, Average	<none>	PT1M	Yes
Used Read Space Total read space used by changed files for the HPC Cache.	TotalUsedReadSpace	Bytes	Minimum, Maximum, Average	<none>	PT1M	Yes
Used Write Space Total write space used by changed files for the HPC Cache.	TotalUsedWriteSpace	Bytes	Minimum, Maximum, Average	<none>	PT1M	Yes
Uptime Boolean results of connectivity test between the Cache and monitoring system.	Uptime	Count	Minimum, Maximum, Average	<none>	PT1M	Yes