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Because data model of DAOS can support snapshot, overwrites, distributed transaction, MVCC…, so it is hard to change the metadata format. However, for workloads like AI/ML, the dataset will never be changed again after data ingestion. for ingestion is not modified by AI/ML, It means that keeping indexes and logs for objects is not always necessary, especially for those objects are relatively small. The terminology to describe this kind of AI/ML datasets is Write-Once-Read-Many (WORM).
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