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
2. Who is a developer? ȱȱȱȱȱȱȱȱȱȱ
3. Who is not a developer? ȱȱȱȱȱȱȱȱȱȱ
4. Who uses PHP? ȱȱȱȱȱȱȱȱȱȱ
5. Who uses PHPUnit? ȱȱȱȱȱȱȱȱȱȱ
6. Who is already profiling PHP? ȱȱȱȱȱȱȱȱȱȱ
7. Who uses Blackfire? ȱȱȱȱȱȱȱȱȱȱ
8. phpinfo(); Sebastian Grodzicki
 • Engineering Manager at • ex-CTO at SHOWROOM & GoldenLine • PHP developer for 15+ years • #perfmatters @sebgrodzicki
9. SHOWROOM
10. SHOWROOM
11. You cannot improve what you cannot measure.
12. APM Application Performance Monitoring
13. Google Analytics
14. AWS CloudWatch
15. AWS CloudWatch
16. AWS CloudWatch
17. AWS CloudWatch
18. AWS Athena
19. AWS X-Ray
20. AWS X-Ray
21. Nginx log_format apm '$upstream_response_time'; access_log /var/log/nginx/access.log apm;
22. Elastic Stack
23. New Relic
24. Datadog
25. AppDynamics
26. Dynatrace
27. SolarWinds
28. You cannot improve what you cannot measure.
29. Profiling
30. Speaker Deck
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
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
61. <?php declare(strict_types=1);
 
 namespace Repository;
 
 use ValueObject\SeoMeta;
 
 interface SeoRepositoryInterface
 {
 public function getSingleMetaForChannel(string $path): SeoMeta;
 } SeoRepositoryInterface.php
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
67. CLI Command Line Interface
68. <?php
 
 $start = hrtime(true);
 
 sleep(3);
 
 $stop = hrtime(true);
 
 error_log(($stop - $start) / 1e+9); hackyeah.php
69. $ php hackyeah.php
 
 3.002292529 CLI
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
73. Are you still with me? :)
74. GoldenLine
75. Increasing e-mail throughput by 110%
76. Increasing e-mail throughput by 110%
77. Increasing e-mail throughput by 110%
78. swiftmailer:
 default_mailer: default
 mailers:
 default:
 transport: aws.ses.transport
 spool: { type: db }
 config.yml
79. Increasing e-mail throughput by 110%
80. Increasing e-mail throughput by 110%
81. Blackfire's book to PHP Performance
82. Questions?
83. Thank you!
84. FREE BOOKS