C0nw0nk 3780ce9368 Update anti_ddos_challenge.lua ...

Major Performance Optimization : Prior versions are fast but when you can save miliseconds across millions of requests it really does start to add up in speed you can serve traffic at this update should have LuaJIT (Just-In-Time Compiler) maxed out running as fast as it can for this script.

localized API variables for functions to prevent lookups for names. https://springrts.com/wiki/Lua_Performance#TEST_1:_Localize

for each ipairs() and pairs() functions are slow so removed the un-needed use of them https://springrts.com/wiki/Lua_Performance#TEST_9:_for-loops

Introduced `ngx.re.gsub` to replace `string.gsub` with caching enabled for Lua performance boost `pcre_jit on;` enables regex cache for performance gains.
j = enable PCRE JIT compilation
o = compile-once mode (similar to Perl's /o modifier), to enable the worker-process-level compiled-regex cache
http://nginx.org/en/docs/ngx_core_module.html#pcre_jit

Stop using `table.insert()` to insert data into tables https://springrts.com/wiki/Lua_Performance#TEST_12:_Adding_Table_Items_.28table.insert_vs._.5B_.5D.29

2020-03-19 00:29:42 +00:00

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anti_ddos_challenge.lua

Update anti_ddos_challenge.lua

2020-03-19 00:29:42 +00:00