Inada Naoki

AFAIK, vmprof uses SIGPROF. This option is required, maybe. http://uwsgi-docs.readthedocs.io/en/latest/Options.html#py-call-osafterfork

+1. I already suggest in README

msgpack is JSON-like format which optimized forr small~medium sized data. There is some data format for large data in the world. I am not sure why msgpack should support 4GB+...

If msgpack supports large, fixed-size element array, I have two ideas worth to consider: * How about little-endian? Most CPU architectures are little-endian nowadays. * Offset for data alignment? It...

I think [Leap Smear](https://developers.google.com/time/smear) is common strategy to handle leap seconds. TAI is not so common as unix timestamp based on UTC. Please note msgpack is cross-language format like JSON....

https://github.com/msgpack/msgpack-java ?

I agree. "application/x-msgpack" should be documented somewhere.

Is the change backward compatible?

"MessagePack update proposal v5" means v5 of the "proposal", not the spec.

- [v5](https://gist.github.com/frsyuki/5432559) - [v4](https://gist.github.com/frsyuki/5235364) - [v3.5](https://gist.github.com/frsyuki/5139552) - [v3](https://gist.github.com/frsyuki/5131535) - [v2](https://gist.github.com/frsyuki/5028082) - [v1](https://gist.github.com/frsyuki/5022569)