All Things Open 2014 - Day 2 Thursday, October 23rd, 2014 Nic Rosental Founder/Developer of Epic Labs and Developer with 352 Inc DevOps Battle of the Stacks

1. Battle of the
Stacks
by Nic Rosental!
@nicdev
Image by Cosmopolitan of Las Vegas https://www.flickr.com/photos/thecosmopolitan/

2. !
!
!
noun
noun: stack; plural noun: stacks
1.
a pile of objects, typically one that is neatly arranged.
"a stack of boxes"
synonyms: heap, pile, mound, mountain, pyramid, tower
"a stack of boxes"
informal
a large quantity of something.
"there's stacks of work for me now"
a rectangular or cylindrical pile of hay or straw or of grain in sheaf.
synonyms: haystack, rick, hayrick, mow, shock, haycock; datedcock
"a stack of hay"
a vertical arrangement of stereo or guitar amplification equipment.
a number of aircraft flying in circles at different altitudes around the same point while
waiting for permission to land at an airport.
a pyramidal group of rifles.
units of shelving in part of a library, used to store books compactly.
plural noun: the stacks
COMPUTING
a set of storage locations that store data in such a way that the most recently stored
item is the first to be retrieved.
2.
a chimney, especially one on a factory, or a vertical exhaust pipe on a vehicle.
synonyms: chimney, smokestack, funnel, exhaust pipe
a column of rock standing in the sea, remaining after erosion of cliffs.
noun: sea stack; plural noun: sea stacks
Stacks
Image by K.G.23 https://www.flickr.com/photos/kg-23/12846731134

3. The components that
make up your
application. From the
web server software
all the way to the code.
Image by Juhan Sonin https://www.flickr.com/photos/juhansonin/

4. Performance means
speed and reliability
Image by cle0patra https://www.flickr.com/photos/cle0patra/

5. More hardware
Image by S Jones https://www.flickr.com/photos/pixeljones/

6. The Setup
Image by afromusing https://www.flickr.com/photos/afropicmusing/

7. LAMP Stack
Image by Cosmopolitan of Las Vegas https://www.flickr.com/photos/thecosmopolitan/

10. Prefork!
vs!
Worker!
vs!
Event
Image by Allen McGregor https://www.flickr.com/photos/allenmcgregor/

11. LAMP Stack!
Apache 2.4 Prefork
Image by Peter Miller https://www.flickr.com/photos/pmillera4/

13. MaxRequestWorkers = 512MB / 22.5MB!
~23 MaxRequestWorkers

15. LAMP Stack!
Apache 2.2 Prefork
Image by Nerissa Villas https://www.flickr.com/photos/envypictures/

17. MaxClients = 512MB / 13MB!
!
~28 MaxClients

19. LAMP Stack!
Apache 2.4 Worker +!
PHP-FPM
Image by Image by Peter Miller https://www.flickr.com/photos/sumaryanto-bronto/

21. MaxRequestWorkers = 512MB / 8MB!
~64 MaxRequestWorkers

23. LAMP Stack!
Apache 2.4 Event +!
PHP-FPM
Image by Arne Halvorsen https://www.flickr.com/photos/arne-halvorsen/

25. MaxRequestWorkers = 512MB / 4MB!
!
~128 MaxRequestWorkers

27. LEMP Stack
Image by Christa Lohman https://www.flickr.com/photos/chloeloe/

29. HHVM
Image by Andrew Siguenza https://www.flickr.com/photos/photo-knight/

30. HHVM + Apache 2.4!
HHVM + NGINX
Image by Michael Coté https://www.flickr.com/photos/cote/

33. Lighttpd!
AKA Lighty
Image by JayRaz https://www.flickr.com/photos/shnakepup/

34. Let the battle begin!
Image by Paul Kitchener https://www.flickr.com/photos/pmillera4/

35. Each stack gets paired against another stack randomly in
a playoff format.!
!
Each stack gets a vanilla installation of WordPress to be
used as target.!
!
Each stack is tested using Loader.io.!
!
The stack with better response time moves on to the next
round.!
!
Each rounds’ test is progressively harder than the last.!
!
The winner of the third round will be crowned Last Stack
Standing

39. Apache 2.2 Prefork
Apache 2.4 Worker + FPM
HHVM + NGINX
LAMP Apache 2.4 Event + FPM
Lighty + FPM
LEMP
LAMP Apache 2.4 Prefork
HHVM + Apache 2.4
60 clients/60 seconds

40. LAMP Apache 2.2 Prefork!
!
Vs.!
!
LAMP Apache 2.4 Worker + FPM
http://ldr.io/1ogrzVi
http://ldr.io/ZI8Sya

41. LAMP Apache 2.4 Worker + FPM
LAMP Apache 2.2 Prefork
Response time: 163ms
Response time: 60ms

42. HHVM + NGINX!
!
vs!
!
LAMP Apache 2.4 Event + FPM
http://ldr.io/ZzETbj
http://ldr.io/1nu476f

43. Response time: 32ms
Response time: 65ms
HHVM + NGINX
LAMP Apache 2.4 Event + FPM

44. Lighty + FPM!
!
vs!
!
LEMP (NGINX + FPM)!
http://ldr.io/1ogzbau
http://ldr.io/1y3bjqM

45. Response time: 50ms
Response time: 44ms
Lighty + FPM
LEMP (NGINX + FPM)

46. LAMP Apache 2.4 Prefork!
!
vs!
!
HHVM + Apache 2.4!
!
http://ldr.io/1DjdQAj
http://ldr.io/ZzKpKX

47. Response time: 82ms
Response time: 30ms
LAMP Apache 2.4 Prefork
HHVM + Apache 2.4

48. LAMP Apache 2.4
Worker + FPM
HHVM + NGINX
HHVM + Apache 2.4
LEMP
120 clients/60 seconds

49. LAMP Apache 2.4 Worker + FPM!
!
vs!
!
HHVM + NGINX!
!
http://ldr.io/1sRdwW8
http://ldr.io/1nuaKpk

50. Response time: 85ms
Response time: 31ms
LAMP Apache 2.4 Worker + FPM
HHVM + NGINX

51. LEMP!
!
vs!
!
HHVM + Apache 2.4!
!
http://ldr.io/ZzGVbp
http://ldr.io/1nuhTWE

52. Response time: 60ms
Response time: 29ms
LEMP
HHVM + Apache 2.4

53. HHVM + NGINX
HHVM + APACHE 2.4
480 clients/60 seconds

54. HHVM + NGINX!
!
vs!
!
HHVM + Apache 2.4!
!
http://ldr.io/1ogvD7X
http://ldr.io/1ogD7b3

55. Response time: 76ms
Response time: 60ms
HHVM + NGINX
HHVM + Apache 2.4

56. Image by Articularnos.com https://www.flickr.com/photos/articularnos/
Champion of the !
Battle Of The Stacks
ATO Edition
HHVM + Apache 2.4

57. Image by yamchildht tps://www.flickr.com/photos/yamchild/
Test the limits

58. !
HHVM + Apache 2.4!
! http://ldr.io/1w6dtrZ

59. Response time: 6210ms
HHVM + Apache 2.4
Successful responses: 2148
Errors: 8 (0.4%)

60. Key Takeaways
Image by János Csongor Kerekes https://www.flickr.com/photos/kjcs/

61. Thanks, Chris Fidao!
@fideloper

62. Thanks y’all
Image by Trey Ratcliff https://www.flickr.com/photos/stuckincustoms/

63. Get in touch!
nic@epiclabs.com!
@nicdev!
!
Get the slides!
https://speakerdeck.com/nicdev
Image by Brocco https://www.flickr.com/photos/brocco_lee/