State Storage - State #571
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staffik
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wacban and
shreyan-gupta
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wacban
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Nov 5, 2024
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Looks great overall!
I think the implementation details can go into the reference implemention section. Can you add a more high level overview in specification and move the rest? Can you also mention what the naive / brute force approach would be and why it is not feasible?
wacban
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Nov 5, 2024
neps/nep-0568.md
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| Mappings in `ShardUIdMapping` persist as long as any descendant shard still references the ancestor shard’s data. | ||
| When no descendants rely on a particular ancestor shard, its mapping entry can be removed, allowing the ancestor’s data to be garbage collected. | ||
| If a full state sync is performed for a child shard (downloading and storing all its data independently), | ||
| the mapping to the ancestor shard can also be removed, as the child’s data is now directly stored under its own `ShardUId`. | ||
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The cleanup shouldn't depend on state sync. I think we should cleanup the mapping when the node stops tracking all children / descendant shards. Also can you mention that the mapping will be permanent on archival nodes?
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