Software And The Taste Of Mayo - Marco Tabini

SOFTWARE and the Taste of Mayo Marco Tabini php|architect marcot@tabini.ca 1

Marco Tabini 1

What is Mayo? 2

WTF???? 5

Where did they get this guy? 7

What does this have to do with SOFTWARE??? 8

CODE 9

CODE + DATA 9

CODE + DATA + INTERFACE 9

CODE + DATA + INTERFACE = APP 9

CODE 10

CODE HARDWARE 10

CODE FIRMWARE HARDWARE 10

CODE O/S FIRMWARE HARDWARE 10

CODE WEB O/S SERVER FIRMWARE HARDWARE 10

CODE PHP WEB O/S SERVER FIRMWARE HARDWARE 10

CODE FRAMEWORK WEBPHP SERVER O/S FIRMWARE HARDWARE 10

CODE YOUR CODE FRAMEWORK PHP WEB SERVER O/S FIRMWARE HARDWARE 10

Hello, World! 11

Hello, World! Language System Calls C 46 Shell (TCSH) 37 PHP (CLI) 362 PHP (Apache) 881 11

Hello, World! Language System Calls Once C 47 Language C System Calls 46 Shell (TCSH) 146 Shell (TCSH) 37 PHP (CLI) 362 PHP (CLI) 368 PHP (Apache) 881 PHP (Apache) 887 11

Hello, World! Once Twice Language System Calls Language System Calls C 46 C 47 Shell (TCSH) 37 Shell (TCSH) 146 PHP (CLI) 362 PHP (CLI) 368 PHP (Apache) 881 PHP (Apache) 887 11

Language Time C 2.5hrs Erlang 1.8hrs PHP (CLI) N/A* 12

Language Time C 2.5hrs Erlang 1.8hrs PHP (CLI) N/A* * Sorry, had to catch ﬂight to Amsterdam 12

Ease of use Performance 13

Ease of use Performance ASM C PHP Rails 13

Single or double quotes? 14

Single or double quotes? vs. ﬁle_get_contents(‘3gb_ﬁle.txt’) 14

for? foreach? while? 15

for? foreach? while? vs. select * from gigantic_unindexed_table inner join world_population_database inner join i_should_be_growing_plants_instead_of_coding 15

CODE SCALABILITY 16

INFRA CODE DATA STRUCTURE SCALABILITY SCALABILITY COST SOURCE IT OF PERFORMANCE ORGANIZATION OWNERSHIP 16

Proﬁt Density (Proﬁt / Pages) Revenue Density Page Impressions 17

Cost Density (Cost / Pages) 18

Cost Density (Cost / Pages) 19

Cost Density (Cost / Pages) FAIL! 19

Cost Density (Cost / Pages) Bad Good 20

Cost Density Problems • Wrong scalability strategy Database • Wrong database type • Wrong database use 21

Cost Density Problems • Architecture not scalable • No use of parallelization • No use of queuing 22

Solving your infrastructure problems (let someone else deal with them) 23

Example: AWS • 300,000 page impressions / mo. • Avg. 100kiB / page (== 30 GB / mo), 30GB Data • 20 queries per page, 20msec / query • 30 objects per page ( == 9,000,000 GET reqs/month) • 100 reqs/server/sec ( == 259,000,000 reqs/server/month) • 2 servers 24

Example: AWS 25

Example: AWS Item Service Cost/mo Storage S3 4.5 Data Transfer S3 30 Data Requests S3 1 DB Storage SimpleDB 45 DB CPU Usage SimpleDB 55 Server Usage EC2 144 TOTALS 279.5 25

$280 / month = $0.09 CPM 3,000,000 pages / month (0.9% @ $10 RPM) 26

Example: AWS • 300,000,000 page impressions • Avg. 100kiB / page (== 30 TB / mo), 1TB Data • 20 queries per page, 20msec / query • 30 objects per page ( == 9,000,000,000 GET reqs/month) • 100 reqs/server/sec ( == 259,000,000 reqs/server/month) • 35 servers 27

Example: AWS 28

Example: AWS Item Service Cost/mo Storage S3 150 Data Transfer S3 4,300 Data Requests S3 9,000 DB Storage SimpleDB 1,500 DB CPU Usage SimpleDB 3,800 Server Usage EC2 2,500 TOTALS 21,250 28

$21,250 / month = $0.08 CPM 300,000,000 / month (0.8% @ $10 RPM) 29

Them You 30

Design Choose Scale 31

Design THINK BIG—ITS CHEAP! Choose Scale 31

Design THINK BIG—ITS CHEAP! Choose THE RIGHT TOOLS Scale 31

Design THINK BIG—ITS CHEAP! Choose THE RIGHT TOOLS Scale EVERYTHING, ALWAYS 31

Questions? Agree? Disagree? Want to rant? marcot@tabini.ca http://mtabini.blogspot.com http://mtabini.com/twitter 32

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Software And The Taste Of Mayo - Marco Tabini

by dpc on Jun 19, 2008

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