How fast and resource-consuming is sub_filter?

elkie nginx-forum at
Fri Apr 5 04:08:51 UTC 2019

Hello friends!

How bad is the idea of having tens or even hundreds of sub_filter directives
in nginx configuration?

Are the replacements by http_sub_module module time- and resource-consuming
operations, or they are light enough not to care about it?


Posted at Nginx Forum:,283628,283628#msg-283628

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