Examples of WAL in a sentence
Once the WAL acknowledges Xxxxxxx that a write has been successful, Xxxxxxx can in turn acknowledge the writer about the success of that write.
Storage tiering for stream data allows us to unify the storage infrastruc- ture for data streams, while using the right storage type for streaming (low latency write-ahead log (WAL)) and batch (high throughput long-term storage (LTS)) workloads.
To wit, the storage writer component in the Pravega Segment Store takes care of reading the operations written to WAL and applying them to LTS.
From Pravega’s viewpoint, the workflow will be the same, meaning that the data stored in GEDS can be evicted from cache and the respective part of WAL can be deleted.
Therefore, until an event’s data is not durably written in LTS, it cannot be removed from cache and deleted from WAL.