Without thinking about it to hard my guess is there is some overhead in tracking... | Hacker News

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stonemetal on June 5, 2012 | parent | context | favorite | on: Loading half a billion rows into MySQL

Without thinking about it to hard my guess is there is some overhead in tracking what is readable and what is not readable at the higher read levels. Read uncommitted means it doesn't have to track anything.

Gonsalu on June 5, 2012 [–]

Writes still take locks. The isolation level is called Read-uncommitted for a reason.

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