From 3431e667a5c6475043ebfd97b43a3fdc4b078596 Mon Sep 17 00:00:00 2001 From: Phil Burton Date: Mon, 25 Feb 2019 13:37:59 +0000 Subject: Refactor and clean up notes --- day1/first-talk.txt | 105 ---------------------------------------------------- 1 file changed, 105 deletions(-) delete mode 100644 day1/first-talk.txt (limited to 'day1/first-talk.txt') diff --git a/day1/first-talk.txt b/day1/first-talk.txt deleted file mode 100644 index da8689e..0000000 --- a/day1/first-talk.txt +++ /dev/null @@ -1,105 +0,0 @@ -# micro services - perf - -## Overivew - -glu mobile - microservices - -- Use docker -- HTTP processing -- Amazon ECS -- NOSQL Redis + couch base -- 40M votes a day -- 1M active users -- 14K req/m - -## Microservices - -- Small -- Simole -- easy to deploy -- upgradable - -Use Base images -Name by version and never change (Freeze them) - -## background processing -- Execute externally -- Shutdown functions -- Job server -- fastcgi_finish_request - -## HTTP Compression - -- gzip on -- gzip_types -- gzip_proxied any -- gzip_comp_level 5 -- gzip_min_length (default 20) -- Smaller than 1500B means it will always fit in one TCP packet - -If content_length is not set then nginx will compress always - -Laravel/Lume/Others add middleware to add content_length - -## Caching -- HTTP2 Server push -- Repeated server calls HTTP1 -- 304s - - Last-modified - - cache-control - -## No SQL -- Mongo/Redis -- Fight network I/O -- save hdd space -- compress large messages -- serialise better -- message templates -- add ttl expiry -- shorten cache keys - -## Fast caching -- PHP Redis -- Predis - high memory, slower -- Persistent connections available - -## Deployment EC8 -- 0 Downtime -- quick rollout -- ELB health-check -- Auto scaling - -## Hardware upgrades -- Doubling the hardware, halving the # of machines - -## VPC -- Closer together -- Same location -- utilise internal networks -- other thoughts - - Async I/O - - swoole - - HTTP/2 - - Tars - - binary (80% reduction) - -## Managing images -- Don't use aptitude (apt) -- Build from source -- fpm and Nginx together - - Separate not helpful - - No need for TCP/IP overhead -- supervisorD - everywhere - -# Useful terms -aerospike -couch base -php_swoole -supervisorD -new relic -bugsnag -amazon cloud watch -sonarqube -sensolabs security checker -fastcgi_finish_request -crowdstar https://github.com/Crowdstar/background-processing -- cgit v1.2.3