Profiling PHP @ phpCE Prague 2018

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 @ phpCE 2018 !@sebgrodzicki
2. Who is a developer? """"""""""
3. Who is not a developer? """"""""""
4. Who uses PHP? """"""""""
5. Who uses PHPUnit? """"""""""
6. Who is already profiling PHP? """"""""""
7. Who uses Blackfire? """"""""""
8. phpinfo(); Sebastian Grodzicki
 • CTO at SHOWROOM • 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 Athena
16. AWS X-Ray
17. Nginx log_format apm '$upstream_response_time'; access_log /var/log/nginx/access.log apm;
18. Elastic Stack
19. New Relic
20. Datadog
21. AppDynamics
22. Dynatrace
23. SolarWinds
24. You cannot improve what you cannot measure.
25. Profiling
26. Speaker Deck
47. 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
55. 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
56. <?php declare(strict_types=1);
 
 namespace Repository;
 
 use ValueObject\SeoMeta;
 
 interface SeoRepositoryInterface
 {
 public function getSingleMetaForChannel(string $path): SeoMeta;
 } SeoRepositoryInterface.php
57. 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
62. CLI Command Line Interface
63. <?php
 
 $url = 'https://2018.phpce.eu/en/';
 $html = \file_get_contents($url);
 $length = \strlen($html);
 
 echo \number_format($length) . PHP_EOL; phpCE.php
64. $ php phpCE.php
 
 880,988 CLI
65. $ blackfire run php phpCE.php
 
 880,988
 
 Blackfire Run completed
 Graph URL https://blackfire.io/profiles/3b82e363-91a6-4807- b03a-4e259a254b98/graph
 No tests! Create some now https://blackfire.io/docs/ cookbooks/tests
 No recommendations
 
 Wall Time 418ms
 I/O Wait 394ms
 CPU Time 24.1ms
 Memory 1MB
 Network 394ms 1MB 1rq
 SQL n/a n/a CLI
68. Are you still with me? :)
69. GoldenLine
70. Increasing e-mail throughput by 110%
71. Increasing e-mail throughput by 110%
72. swiftmailer:
 default_mailer: default
 mailers:
 default:
 transport: aws.ses.transport
 spool: { type: db }
 config.yml
73. Increasing e-mail throughput by 110%
74. Blackfire's book to PHP Performance
75. Questions?
76. Thank you! # joind.in/talk/f943a