Azure Files is excited to announce the public preview of Metadata Caching for the premium SMB file share tier. Metadata Caching is an enhancement aimed at reducing metadata latency for file workloads running on Windows/Linux clients. In addition to lowering metadata latency, workloads will observe a consistent latency experience which will allow metadata intensive workloads to be more predictable and deterministic. Reduced metadata latency also translates to more data IOPS (reads/writes) and throughput.
Once Metadata Caching is enabled, there is no additional cost or operational management overhead when using this feature.
The following Metadata APIs will benefit from Metadata Caching.
Workloads that perform a high volume of metadata operations (creating/opening/closing/deleting) against a SMB Premium File share will receive the biggest benefit compared to workloads that are primarily data IO (e.g. databases)
Example of metadata heavy workloads include:
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To begin onboarding to the Public Preview, please sign up on https://aka.ms/PremiumFilesMetadataCachingPreview and additional details will be provided.
Regions Supported
(Updates will be provided as additional regions are supported and please sign up above to help influence the region prioritization)
Whether it is a new workload looking to leverage file shares or existing ones looking for improvements. Any workloads/usage patterns that contains metadata should be encouraged to onboard, specifically metadata heavy workloads that consist primarily of Create/Open/Close or Delete requests.
To determine if your workload contains metadata, can use Azure Monitor to split the transactions by API dimension as described in the following article
Thanks
Azure Files Team
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