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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 (Sum) | 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 |