Compression on-the-fly is generally unwise. Incrementally better compression comes at an escalating server cpu penalty. There might be some way to trigger mod_deflate using mod_lua or mod_rewrite if you were adventurous, but see this page for info about expr tests for filesize you can use to toggle the no-brotli and no-gzip flags if you want to try something straightforward;
http://httpd.apache.org/docs/2.4/expr.html
For static content, the right solution is to use mod_negotiation to transparently serve either brotli or gzip files on the fly based on the end users accept-encoding request header. It would be nonsense to compress all such 1mb content on the fly, so instead you provision all three files alongside one another. E.g.
index.html.nc, index.html.gz and
index.html.br reside in the same directory, and the request comes in for index.html triggering a search for the best match. Your provisioning scripts decide to create (or update stale) .gz and .br copies of the content to serve compressed. This wastes zero cpu resource serving the responses, and where there are no .gz or .br compressed files, the single cleartext flavor will be served.
This also means there is no compression of dynamic content, however, unless it is served to the httpd gateway already compressed. Since there is no file to fingerprint to decide if it is 1MB or smaller, dynamic content can't be toggled as you've ask in your top post through a 'filesize' mechanism. Given a response from the backend that has a Content-Length, it could be finagled, but otherwise requires buffering all 1MB first to decide if a Transfer-Encoding: chunked backend response is going to add up to 1MB or not.
Hello,
Do we have any option to compress only above 1MB size files in Apache 2.4?
Thanks & Regards
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Srikanth Pippari | V3OPS team.
Email ID :
spippari@xxxxxxxxxxxxx
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