igrigorik

Android	iOS	Gen	Down max
NETWORK_TYPE_CDMA		2G
NETWORK_TYPE_IDEN		2G
NETWORK_TYPE_GPRS	CTRadioAccessTechnologyGPRS	2.5G
NETWORK_TYPE_EDGE	CTRadioAccessTechnologyEdge	2.75G
NETWORK_TYPE_1xRTT	CTRadioAccessTechnologyCDMA1x	3G
NETWORK_TYPE_UMTS	CTRadioAccessTechnologyWCDMA	3G
NETWORK_TYPE_EVDO_0	CTRadioAccessTechnologyCDMAEVDORev0	3.5G
NETWORK_TYPE_EVDO_A	CTRadioAccessTechnologyCDMAEVDORevA	3.5G

igrigorik

require 'open-uri'
require 'zlib'
require 'yajl'

# References
# - https://developers.google.com/bigquery/preparing-data-for-bigquery#dataformats
# - https://developers.google.com/bigquery/docs/data#nested
#

def type(t)

igrigorik

\o/ ... for HAProxy. Recent patches to make TLS faster:

• MINOR: ssl: add DEFAULT_SSL_MAX_RECORD to set the record size at build time
• MINOR: config: make the stream interface idle timer user-configurable
• MEDIUM: stream-int: automatically disable CF_STREAMER flags after idle
• MINOR: channel: add the date of last read in the channel
• OPTIM: ssl: implement dynamic record size adjustment
• MINOR: ssl: handshake optim for long certificate chains.

igrigorik

ubuntu@ip-10-202-152-39:~$ cat /proc/cpuinfo
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 45
model name	: Intel(R) Xeon(R) CPU E5-2650 0 @ 2.00GHz
stepping	: 7
microcode	: 0x70a
cpu MHz		: 1799.999
cache size	: 20480 KB

igrigorik

# 150ms in/out delay

# ~ 300 ms to complete handshake, as expected
#
00:00:00.000000 IP igrigorik.57812 > 176.32.98.166.http: Flags [S], seq 2280359597, win 65535, options [mss 1460,nop,wscale 4,nop,nop,TS val 1261175917 ecr 0,sackOK,eol], length 0
00:00:00.094100 IP 176.32.98.166.http > igrigorik.57812: Flags [S.], seq 895108428, ack 2280359598, win 8190, options [mss 1460,nop,wscale 6], length 0
00:00:00.297209 IP igrigorik.57812 > 176.32.98.166.http: Flags [.], ack 1, win 16384, length 0
00:00:00.297224 IP igrigorik.57812 > 176.32.98.166.http: Flags [P.], seq 1:79, ack 1, win 16384, length 78

# ~100 ms response time + 300 ms RTT later...

igrigorik

# Quick comparison of Deflate performance with respec to varios
# LZ77 window and memLevel settings. E.g...
#
# $> curl https://github.com/timeline.json -o timeline.json
# $> ruby compare.rb timeline.json
#

require "zlib"

unless file = ARGV[0]

igrigorik

source 'https://rubygems.org'

gem 'goliath'

igrigorik

class ConnectionInfo {
  constructor(media="unknown",
              className="unknown",
              classId=0) {
    this.media = media;
    this.className = className;
    this.classId = classId;
  }
}

igrigorik

alias gh="open \`git remote -v | grep git@github.com | grep fetch | head -1 | cut -f2 | cut -d' ' -f1 | sed -e's/:/\//' -e 's/git@/http:\/\//'\`"

igrigorik

worker_processes 1;
 
events {
  worker_connections 1024;
}
 
http {
  include mime.types;
  default_type  application/octet-stream;