InteropService- Interoperable Services: Used to load the blockchain ledger, digital assets,digital identity, persistent storage area, NeoFS, and other underlying services.
Persistent storage(allows users to pay the network to store content that is not popular and the pay-per-retrieve model doesn't work) and full UI& libraries to facilitate user interfaces and integrations.
All messages published before the oldest unacked message are guaranteed to have been received,so those messages can be removed from persistent storage and processed in order.
At full scale Azure Event Hubs can ingress over one million events per second andmore than 1 GB per second of telemetry with fully durable storage and sub-second latency.
A subscriber would check the persistent storage to know the next message it must process and ensure that it only processes that message next, waiting to process other messages it has received when they come up in the complete ordering.
As another example, if you want to collect statistics on all actions taken by clients on your server, you can publish a message for each event and then have your subscribers collate messages andupdate results in persistent storage.
Fsync() transfers("flushes") all modified in-core data of(i.e., modified buffer cache pages for) the file referred to by the filedescriptor fd to the disk device(or other permanent storage device) so that all changed information can be retrieved even if the system crashes or is rebooted.
JSONStoreはJSON文書の永続ストレージを有効にします。
JSONStore enables persistent storage of JSON documents.
永続ストレージへのログ記録はモデルレベルで制御できます。
You control logging to persistent storage at the model level.
永続ストレージの使用は、ビッグデータのメモリに関する問題に対処するのに役立ちます。
Using persistent storage can help to address big data memory issues.
The NEO Smart Contract API expands the capabilities of the Smart Contract to access the blockchain data,manipulate persistent storage, and query the execution environment.
In addition to the database services provided by GCP, you can deploy your own database software on high-performance ComputeEngine virtual machines with highly scalable persistent storage.
With Premium Storage, you can add up to 64 TB of persistent storage per virtual machine(VM), with more than 80,000 IOPS per VM and extremely low latencies for read operations.
Scale-Up Architecture As part of a scale-up architecture where SAP HANA database tables are deployed on a single server appliance,the C880 M4 Storage Subsystem incorporates externally attached persistent storage for the HANA database running on the C880 M4 Server.
In one embodiment, connection database 312 is maintained in volatile memory while vvol database 314 andcontainer database 316 are maintained in persistent storage, such as DSUs 141.
Whereas other embedded RDBMSs support either in-memories or permanent storage media, as shown in the following figure DeviceSQL supports four data reference(store) modes: namely, streaming, in-memory, memory-mapped storage and device direct storage(paged storage) modes.
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