Who am I Contact • http://www.kpuschke.eu • twitter: @titanoboa42 • https://www.xing.com/profile/ Kerstin_Puschke software engineer at XING Hamburg • xing.com social network for business professionals • about 14M users • debian, perl, javascript, ruby on rails, mysql, redis, riak, . . . We’re hiring! http://corporate.xing.com/ english/company/careers-at-xing/ August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 2
Outline August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 3 • Technology & Architecture • programming languages, databases, storage,... • applications, APIs & asynchronous communication • Development Process and Tools • development and test environments • version control • continous integration, deployment
The camel has been growing Today - Perl & MySQL & more August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 5
Storage, Databases & Cache • MySQL • Redis • Memcache • Swift / Open Stack • Riak August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 9
Perl „core“ August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 10 perl „core“ rails rails rails mobile ...
Rails August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 11 perl „core“ rails jobs rails ... rails events mobile rails ... rails ~ 20 apps
Communication • REST API • RabbitMQ AMQP • plus Beetle August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 12 perl „core“ rails jobs rails public API rails events mobile rails ...
Shadow calls August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 15 old app new app user request worker amqp message shadow call
Perl App August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 17 • ~600k lines of code, ~300k lines of perl code
Perl App August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 19 • ~360M internal REST requests / day, 6k / second
Perl App August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 20 DC1 DC2 2 x 6 application server 2 x 18 API Server 2 x 4 worker server
Office Locations August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 22 Hamburg, Munich, Vienna, Barcelona ~520 people from ~28 countries, ~80 engineers
Continuous Integration & Deployment August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 25 • Jenkins CI ~30 projects, ~250 build jobs • weekly to continuous deployment
famous last words die "WTF?"; # should not be possible August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 29
Who am I Contact • http://www.kpuschke.eu • twitter: @titanoboa42 • https://www.xing.com/profile/ Kerstin_Puschke software engineer at XING Hamburg • xing.com social network for business professionals • about 14M users • debian, perl, javascript, ruby on rails, mysql, redis, riak, . . . We’re hiring! http://corporate.xing.com/ english/company/careers-at-xing/ August 14 // Behind the scenes of a grown-up web application // Kerstin Puschke // YAPC::EU 2014 31
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