Profiling PHP @ HackYeah 2019

You cannot improve what you cannot measure. That's why profiling applications should always be the first step before trying to improve its performance. Learn how to spot your applications' bottlenecks and how to adopt profiling into your developer pipeline.

Transcript

1. Profiling PHP
   Sebastian Grodzicki @ HackYeah 2019
   @sebgrodzicki
   

   View Slide

2. Who is a developer?
   ȱȱȱȱȱȱȱȱȱȱ
   

   View Slide

3. Who is not a developer?
   ȱȱȱȱȱȱȱȱȱȱ
   

   View Slide

4. Who uses PHP?
   ȱȱȱȱȱȱȱȱȱȱ
   

   View Slide

5. Who uses PHPUnit?
   ȱȱȱȱȱȱȱȱȱȱ
   

   View Slide

6. Who is already profiling PHP?
   ȱȱȱȱȱȱȱȱȱȱ
   

   View Slide

7. Who uses Blackfire?
   ȱȱȱȱȱȱȱȱȱȱ
   

   View Slide

8. phpinfo();
   Sebastian Grodzicki

   • Engineering Manager at
   • ex-CTO at SHOWROOM & GoldenLine
   • PHP developer for 15+ years
   • #perfmatters
   @sebgrodzicki
   

   View Slide

9. SHOWROOM
   

   View Slide

10. SHOWROOM
    

    View Slide

11. You cannot improve what you
    cannot measure.
    

    View Slide

12. APM
    Application Performance Monitoring
    

    View Slide

13. Google Analytics
    

    View Slide

14. AWS CloudWatch
    

    View Slide

15. AWS CloudWatch
    

    View Slide

16. AWS CloudWatch
    

    View Slide

17. AWS CloudWatch
    

    View Slide

18. AWS Athena
    

    View Slide

19. AWS X-Ray
    

    View Slide

20. AWS X-Ray
    

    View Slide

21. Nginx
    log_format apm '$upstream_response_time';
    access_log /var/log/nginx/access.log apm;
    

    View Slide

22. Elastic Stack
    

    View Slide

23. New Relic
    

    View Slide

24. Datadog
    

    View Slide

25. AppDynamics
    

    View Slide

26. Dynatrace
    

    View Slide

27. SolarWinds
    

    View Slide

28. You cannot improve what you
    cannot measure.
    

    View Slide

29. Profiling
    

    View Slide

30. Speaker Deck
    

    View Slide

31. View Slide

32. View Slide

33. View Slide

34. View Slide

35. View Slide

36. View Slide

37. View Slide

38. View Slide

39. View Slide

40. View Slide

41. View Slide

42. View Slide

43. View Slide

44. View Slide

45. View Slide

46. View Slide

47. View Slide

48. View Slide

49. View Slide

50. View Slide

51. View Slide

52. tests:

    

    "Application should never hit the DB":

    path: "/.*"

    assertions:

    - "metrics.sql.queries.count == 0"

    

    

    "Homepage should never call the API":

    path: "/"

    assertions:

    - "metrics.http.requests.count == 0"

    

    

    "Pages should be fast enough":

    path: "/.*"

    assertions:

    - "main.wall_time < 100ms"

    .blackfire.yml
    

    View Slide

53. View Slide

54. View Slide

55. View Slide

56. View Slide

57. View Slide

58. View Slide

59. View Slide

60. public function getSingleMetaForChannel(string $path): SeoMeta

    {

    

    $data = $this->client->getSingleMetaForChannel(null, $path);

    

    

    if (isset($data[$path])) {

    return SeoMeta::createFromSdk($data[$path]);

    }
    

    throw new NotFoundException("Meta for path ${path} not found");

    }
    SeoRepository.php
    

    View Slide

61. 

    namespace Repository;

    

    use ValueObject\SeoMeta;

    

    interface SeoRepositoryInterface

    {

    public function getSingleMetaForChannel(string $path): SeoMeta;

    }
    SeoRepositoryInterface.php
    

    View Slide

62. public function getSingleMetaForChannel(string $path): SeoMeta

    {

    

    $options = [

    'lang' => self::MAP_CHANNEL_LOCALE[$this->channel],

    'orderings' => '[document.last_publication_date desc]',

    ];

    

    

    $document = $this->client->findOneByPath(

    'seo__content',

    $path,

    $options

    );

    

    

    if (null === $document) {

    throw new NotFoundException("Meta for path {$path} not found");

    }

    

    

    return new SeoMeta($document);

    }
    PrismicSeoRepository.php
    

    View Slide

63. View Slide

64. View Slide

65. View Slide

66. View Slide

67. CLI
    Command Line Interface
    

    View Slide

68. 

    $start = hrtime(true);

    

    sleep(3);

    

    $stop = hrtime(true);

    

    error_log(($stop - $start) / 1e+9);
    hackyeah.php
    

    View Slide

69. $ php hackyeah.php

    

    3.002292529
    CLI
    

    View Slide

70. $ blackfire run php hackyeah.php 

    

    3.00448906

    

    Blackfire Run completed

    Graph URL https://blackfire.io/profiles/4ae6c42b-
    b051-41bd-8ef9-65545bdf0c34/graph

    No tests! Create some now https://blackfire.io/docs/
    cookbooks/tests

    No recommendations

    

    Wall Time 3.01s

    I/O Wait n/a

    CPU Time n/a

    Memory 40.7KB

    Network n/a n/a n/a

    SQL n/a n/a
    CLI
    

    View Slide

71. View Slide

72. View Slide

73. Are you still with me? :)
    

    View Slide

74. GoldenLine
    

    View Slide

75. Increasing e-mail throughput by 110%
    

    View Slide

76. Increasing e-mail throughput by 110%
    

    View Slide

77. Increasing e-mail throughput by 110%
    

    View Slide

78. swiftmailer:

    default_mailer: default

    mailers:

    default:

    transport: aws.ses.transport

    spool: { type: db }

    config.yml
    

    View Slide

79. Increasing e-mail throughput by 110%
    

    View Slide

80. Increasing e-mail throughput by 110%
    

    View Slide

81. Blackfire's book to PHP Performance
    

    View Slide

82. Questions?
    

    View Slide

83. Thank you!
    

    View Slide

84. FREE BOOKS
    

    View Slide