Ravi Sir's Cards › AWS
Versioned or overwrite?
This comparison card contrasts Versioned or overwrite. Optimistic lock is described as version=:v then bump. Blind Put is described as last writer wins.
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What this card says
Versioned or overwrite?
Optimistic lock
version=:v then bump.
Blind Put
Last writer wins.
Key points
Concurrent carts/profiles.
Truly last-write-wins fields.
Example
UpdateItem + condition
Use when
Default mutable.
Careful.