What to use for my next benchmark client -- python, jython, golang, pure-Java? Linkbench is Java, insert benchmark is Python. Python has too much CPU overhead, Java can be too verbose, I don't know golang. The benchmark client must access MongoDB, MySQL, Postgres.
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I enjoy Python but if the workaround for the Python CPU overhead is to write the slow bits in C, then I will pass on it.
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pypy helps sometimes with the CPU overhead but AFAIK pypy3 is "install from source" on Amazon Linux 2 (I see a pattern there) and maybe I have to worry about pure-Python drivers which I don't use by default.
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jython likely means using Java database connectors, which tend to be well supported, but jython is still Python2
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golang means I have to learn golang, which isn't a bad thing
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I'd personally use rust just because I want to have an excuse for actually using it for something...
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Probably personally would use C++ before going for golang, but I see why many wouldn't.
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Relearning (enough) modern C++ might take more time than learning (enough) golang
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golang has a standard DB API, which seems like it might be a decisive advantage here. (Though I don't know anything about the specifics.)