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 - Metrics export using data collection rules and 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 |