I don't think serde-json has a limit on size. But under some usages it will allocate extra. For example see: https://github.com/serde-rs/json/issues/160#issueco

I don't think serde-json has a limit on size. But under some usages it will allocate extra. For example see: https://github.com/serde-rs/json/issues/160#issuecomment-841344394 https://github.com/serde-rs/json/issues/160#issuecomment-841... 2.4 GB file can be read and parsed with serde.