Link
Embed
Share
Beginning
This slide
Copy link URL
Copy link URL
Copy iframe embed code
Copy iframe embed code
Copy javascript embed code
Copy javascript embed code
Share
Tweet
Share
Tweet
Slide 1
Slide 1 text
The Future is Dead long live the past
Slide 2
Slide 2 text
Hi!
Slide 3
Slide 3 text
Bruno Aguirre
Slide 4
Slide 4 text
Bruno Aguirre github: elcuervo
Slide 5
Slide 5 text
Bruno Aguirre @cuerbot github: elcuervo
Slide 6
Slide 6 text
cuervo
Slide 7
Slide 7 text
No content
Slide 8
Slide 8 text
No content
Slide 9
Slide 9 text
No content
Slide 10
Slide 10 text
No content
Slide 11
Slide 11 text
No content
Slide 12
Slide 12 text
No content
Slide 13
Slide 13 text
No content
Slide 14
Slide 14 text
No content
Slide 15
Slide 15 text
No content
Slide 16
Slide 16 text
No content
Slide 17
Slide 17 text
No content
Slide 18
Slide 18 text
disclaimer
Slide 19
Slide 19 text
No content
Slide 20
Slide 20 text
relax
Slide 21
Slide 21 text
it’s not about this future
Slide 22
Slide 22 text
No content
Slide 23
Slide 23 text
nor this past
Slide 24
Slide 24 text
No content
Slide 25
Slide 25 text
No content
Slide 26
Slide 26 text
UNIX
Slide 27
Slide 27 text
UNIX DB
Slide 28
Slide 28 text
UNIX DB WEB
Slide 29
Slide 29 text
UNIX
Slide 30
Slide 30 text
than an MORE OPERATING system
Slide 31
Slide 31 text
than MORE SOFTWARE
Slide 32
Slide 32 text
Philosophy
Slide 33
Slide 33 text
The ART of Unix programming Eric Raymond
Slide 34
Slide 34 text
Write SIMPLE parts connected by CLEAN interfaces
Slide 35
Slide 35 text
CLARITY is better than cleverness
Slide 36
Slide 36 text
Design programs to be CONNECTED to other programs
Slide 37
Slide 37 text
ps uax | grep ruby | sort | uniq
Slide 38
Slide 38 text
Design for SIMPLICITY; add complexity ONLY where you must
Slide 39
Slide 39 text
S R P
Slide 40
Slide 40 text
S R P ingle
Slide 41
Slide 41 text
S R P ingle esponsability
Slide 42
Slide 42 text
S R P ingle esponsability rinciple
Slide 43
Slide 43 text
PROTOTYPE before polishing. GET IT WORKING before you OPTIMIZE it
Slide 44
Slide 44 text
DISTRUST all claims for “ONE TRUE WAY”
Slide 45
Slide 45 text
Design for the FUTURE, because it will be here SOONER than you think
Slide 46
Slide 46 text
KISS
Slide 47
Slide 47 text
KEEP
Slide 48
Slide 48 text
IT
Slide 49
Slide 49 text
SIMPLE
Slide 50
Slide 50 text
SWEETIE
Slide 51
Slide 51 text
No content
Slide 52
Slide 52 text
“Simplicity is the ultimate sophistication” Leonardo Da Vinci 1452-1519
Slide 53
Slide 53 text
“Everything should be made as simple as possible, but no simpler” Albert Einstein 1879-1955
Slide 54
Slide 54 text
“Unix is simple. It just takes a genius to understand its simplicity” Dennis Ritchie 1941-2011
Slide 55
Slide 55 text
DB
Slide 56
Slide 56 text
once upon a time
Slide 57
Slide 57 text
RDB
Slide 58
Slide 58 text
ROFLSCALE
Slide 59
Slide 59 text
ROFLSCALE
Slide 60
Slide 60 text
No content
Slide 61
Slide 61 text
POSTGRESQL
Slide 62
Slide 62 text
POSTGRESQL MYSQL
Slide 63
Slide 63 text
CONSTRAINS
Slide 64
Slide 64 text
No content
Slide 65
Slide 65 text
PRIMARY KEY
Slide 66
Slide 66 text
PRIMARY KEY UNIQUE
Slide 67
Slide 67 text
PRIMARY KEY UNIQUE NOT NULL
Slide 68
Slide 68 text
PRIMARY KEY UNIQUE NOT NULL FOREIGN KEY
Slide 69
Slide 69 text
PRIMARY KEY UNIQUE NOT NULL FOREIGN KEY CHECK
Slide 70
Slide 70 text
PREPARED STATEMENTS
Slide 71
Slide 71 text
SELECT * FROM fruits WHERE id = 42;
Slide 72
Slide 72 text
PREPARE fruit_seeker (int) AS SELECT * FROM fruits WHERE id = $1;
Slide 73
Slide 73 text
PREPARE fruit_seeker (int) AS SELECT * FROM fruits WHERE id = $1; EXECUTE fruit_seeker(42);
Slide 74
Slide 74 text
~2003
Slide 75
Slide 75 text
QUERIES PER SECOND BOOST
Slide 76
Slide 76 text
~2011
Slide 77
Slide 77 text
STORED PROCEDURES
Slide 78
Slide 78 text
Execution within the database
Slide 79
Slide 79 text
Complex data handling
Slide 80
Slide 80 text
Column operations
Slide 81
Slide 81 text
We want to use Ruby everywhere
Slide 82
Slide 82 text
DON’T
Slide 83
Slide 83 text
WITHOUT ORM
Slide 84
Slide 84 text
WEB
Slide 85
Slide 85 text
HTTP 1.0 RFC 1945 (1996)
Slide 86
Slide 86 text
No content
Slide 87
Slide 87 text
No content
Slide 88
Slide 88 text
No content
Slide 89
Slide 89 text
MOST WEB of the
Slide 90
Slide 90 text
client server request response open open close close
Slide 91
Slide 91 text
HTTP 1.1 RFC 2616 (1999)
Slide 92
Slide 92 text
No content
Slide 93
Slide 93 text
No content
Slide 94
Slide 94 text
No content
Slide 95
Slide 95 text
No content
Slide 96
Slide 96 text
Persistent connections
Slide 97
Slide 97 text
client server request response open close Re use open sockets close open
Slide 98
Slide 98 text
client server request response open close Re use open sockets
Slide 99
Slide 99 text
Enabled by default
Slide 100
Slide 100 text
Pipelining
Slide 101
Slide 101 text
client server request response open close
Slide 102
Slide 102 text
Disabled by default
Slide 103
Slide 103 text
Get ready for the PAST
Slide 104
Slide 104 text
Firefox: can be enabled
Slide 105
Slide 105 text
Firefox: can be enabled Chrome: can be enabled
Slide 106
Slide 106 text
Firefox: can be enabled Chrome v20: enabled by default Chrome: can be enabled
Slide 107
Slide 107 text
Upgrade header
Slide 108
Slide 108 text
GET /mychat HTTP/1.1 Host: server.example.com Upgrade: websocket Connection: Upgrade Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw== Sec-WebSocket-Protocol: chat Sec-WebSocket-Version: 13 Origin: http://example.com request
Slide 109
Slide 109 text
GET /mychat HTTP/1.1 Host: server.example.com Upgrade: websocket Connection: Upgrade Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw== Sec-WebSocket-Protocol: chat Sec-WebSocket-Version: 13 Origin: http://example.com request
Slide 110
Slide 110 text
HTTP/1.1 101 Switching Protocols Upgrade: websocket Connection: Upgrade Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk= Sec-WebSocket-Protocol: chat response
Slide 111
Slide 111 text
HTTP/1.1 101 Switching Protocols Upgrade: websocket Connection: Upgrade Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk= Sec-WebSocket-Protocol: chat response
Slide 112
Slide 112 text
That’s IT?
Slide 113
Slide 113 text
12 years
Slide 114
Slide 114 text
No content
Slide 115
Slide 115 text
HTTP PTTH
Slide 116
Slide 116 text
HTTP R e v e rs e
Slide 117
Slide 117 text
client server
Slide 118
Slide 118 text
POST /reverse HTTP/1.1 Host: server.example.com Upgrade: PTTH/0.9 Connection: Upgrade Origin: http://example.com request
Slide 119
Slide 119 text
POST /reverse HTTP/1.1 Host: server.example.com Upgrade: PTTH/0.9 Connection: Upgrade Origin: http://example.com request
Slide 120
Slide 120 text
client server
Slide 121
Slide 121 text
HTTP/1.1 101 Switching Protocols Upgrade: PTTH/0.9 Connection: Upgrade response
Slide 122
Slide 122 text
client server
Slide 123
Slide 123 text
client server
Slide 124
Slide 124 text
server client
Slide 125
Slide 125 text
REAL life
Slide 126
Slide 126 text
No content
Slide 127
Slide 127 text
The Future is not Dead
Slide 128
Slide 128 text
The Past is not Dead
Slide 129
Slide 129 text
No content
Slide 130
Slide 130 text
LEARN from the past
Slide 131
Slide 131 text
LEARN from the past WATCH the present
Slide 132
Slide 132 text
LEARN from the past WATCH the present CREATE the future
Slide 133
Slide 133 text
Thank you!
Slide 134
Slide 134 text
Thank you! twitter: @cuerbot github: elcuervo
Slide 135
Slide 135 text
No content