rickytato

How to setup a practically free CDN using Backblaze B2 and Cloudflare

⚠️ Note 2023-01-21
Some things have changed since I originally wrote this in 2016. I have updated a few minor details, and the advice is still broadly the same, but there are some new Cloudflare features you can (and should) take advantage of. In particular, pay attention to Trevor Stevens' comment here from 22 January 2022, and Matt Stenson's useful caching advice. In addition, Backblaze, with whom Cloudflare are a Bandwidth Alliance partner, have published their own guide detailing how to use Cloudflare's Web Workers to cache content from B2 private buckets. That is worth reading,

Zeev Suraski (Zend CTO) recently released some benchmarking figures comparing HHVM to PHPNG (and PHP 5.6). I was particularly interested in the results for SugarCRM. They show a 14-28% speed benefit in favor of PHPNG. I decided to investigate, and ran some basic benchmarks with siege.

It came up with the following results:

	Trans/sec
PHPNG	24.12
HHVM	20.74
Diff.	16.29%

DEPRECATED:

New repo: https://github.com/konradit/gopro-linux

	backend per_ip_and_url_rates
	stick-table type binary len 8 size 1m expire 24h store http_req_rate(24h)

	backend per_ip_rates
	stick-table type ip size 1m expire 24h store gpc0,gpc0_rate(30s)

	{
	"Version": "2012-10-17",
	"Id": "S3PolicyId1",
	"Statement": [
	{
	"Sid": "IPAllow",
	"Effect": "Allow",
	"Principal": "*",
	"Action": "s3:GetObject",
	"Resource": "arn:aws:s3:::example.bucket/*",

	1. key
	2. crt
	3. COMODORSADomainValidationSecureServerCA.crt
	4. COMODORSAAddTrustCA
	5. AddTrustExternalCARoot

	# === Optimized my.cnf configuration for MySQL/MariaDB (on Ubuntu, CentOS, Almalinux etc. servers) ===
	#
	# by Fotis Evangelou, developer of Engintron (engintron.com)
	#
	# ~ Updated September 2024 ~
	#
	#
	# The settings provided below are a starting point for a 8-16 GB RAM server with 4-8 CPU cores.
	# If you have different resources available you should adjust accordingly to save CPU, RAM & disk I/O usage.
	#

	check process hhvm with pidfile /var/run/hhvm/pid
	group hhvm
	start program = "/usr/sbin/service hhvm start" with timeout 60 seconds
	stop program = "/usr/sbin/service hhvm stop"
	if failed unixsocket /var/run/hhvm/hhvm.sock then restart
	if mem > 400.0 MB for 1 cycles then restart
	if 5 restarts with 5 cycles then timeout

	# make sure you have these installed
	yum install -y make gcc perl pcre-devel zlib-devel

	See my DASH-IF presentation from October, 2014:
	https://s3.amazonaws.com/misc.meltymedia/dash-if-reveal/index.html#/

	1. encode multiple bitrates with keyframe alignment:
	ffmpeg -i ~/Movies/5D2_Portrait.MOV -s 1280x720 -c:v libx264 -b:v 1450k -bf 2 \
	-g 90 -sc_threshold 0 -c:a aac -strict experimental -b:a 96k -ar 32000 out.mp4

	My input was 30 fps = 3000 ms. If it were 29.97, then a GOP size of 90 frames will yield a base segment
	size of 3003 milliseconds. You can make the segment size some multiple of this, e.g.: 6006, 9009, 12012.