Sina Weibo is the most popular Microblogging platform in China. It has more than 100 million user and tens of millions of daily updates. This slide explains the performance challenges in Weibo platform.
30. Benchmark
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( http://code.google.com/p/thrift-protobuf-compare/wiki/Benchmarking)
31. “We would like to provide public APIs that
accept protocol buffers as well as XML, both
because it is more efficient and because we're
just going to convert that XML to protocol
buffers on our end anyway.”
- Google