On 12/19/2014 11:10 AM, Jason E. Aten wrote:
Hi Rob,
I was just curious about the use of lua vs luajit; at Gophercon you said
you were getting terrific performance out of the sandboxed lua regex,
was this from lua and not luajit?
It's technically LPEG (http://www.inf.puc-rio.br/~roberto/lpeg/) not regex. We
mostly use just lua and not luajit.
I assumed luajit would be even faster; is there a reason the heka
sandbox only uses lua and not luajit?
luajit is available as a compilation option (see
https://github.com/mozilla-services/heka/blob/dev/cmake/externals.cmake#L18)
but our experimentation with it hasn't shown enough of an impact for it to be
worth turning on by default, given that it can produce build headaches on some
platforms.
-r
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