On: Meta String: A more space-efficient string encodin...

[eps]

It's a compression via domain-specific frequency encoding.

Good, but that's a pretty common technique for cases where every bit counts.

[chaokunyang → eps]

Yes, in many rpc/serialization systems, we need to serialize class name, field names, package names. So we can supprrt dynamic deserialization, type forward/backward compatibility. In such cases, those meta may took more bits than the actual data, this is where meta string bring gains