performance

[naggie]

For the sake of it, run apache benchmark or similar and try the following:

Measure -- and decide wether to keep or not.

• [ ] uvloop with aiohttp
• [ ] pypy
• [ ] periodic cache warming -- generate page every second or 5, and return whatever is cached (everyone gets the same anyway) (set http header for TTL as well) https://github.com/naggie/naggie.net/issues/134
• [x] static with nginx
• [ ] minimal client patches via websocket
• [ ] minimise HTML (remove whitespace etc)
• [ ] prefetching and/or preloading of all tabs (HTTP cache time important) https://www.smashingmagazine.com/2016/02/preload-what-is-it-good-for/
• [ ] You may want to install optional cchardet library as faster replacement for chardet
• [ ] For speeding up DNS resolving by client API you may install aiodns as well. This option is highly recommended
• [x] run_app access_log=None -- 20% faster.

replacement http parser https://magic.io/blog/uvloop-blazing-fast-python-networking/ httptools (probably not worth it -- very beta)

(Note conventional caching won't work -- periodically warmed caching is best as most requests will be the first for a given TTL)

[naggie]

[naggie]

https://asyncio.readthedocs.io/en/latest/threads.html -- run_in_executor for page generation periodic cache warming?

[naggie]

caching doesn't have to be performed by dsportal -- nginx can, of course, cache based on a header from dsportal. Issue is cache warming.

[naggie]

assuming template rendering is slow enough to have a significant speed increase.

[naggie]

https://www.nginx.com/blog/nginx-caching-guide/

[naggie]

https://www.nginx.com/blog/mitigating-thundering-herd-problem-pbs-nginx/

Stale cache 'updating' directive. Makes concurrency ==1

[naggie]

https://www.digitalocean.com/community/tutorials/how-to-optimize-nginx-configuration -- Static File Caching

[naggie]

Static File Caching, access_log off