* Howard Chu:
For greater throughput we need a logging mechanism that doesn't rely on sprintf. I.e., we should consider a binary log format where we simply pass around short message IDs (and relevant message parameters) and use a compiled message catalog that maps IDs to text. This would require a post-processor to read the binary log and generate human-readable messages somewhere else. (It's obviously not a new concept, IBM mainframes have done this for decades; the Microsoft system logger does this as well.)
Current systems have journald, which does something like that.