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We then used platform-specific performance analysis tools to determine which of these endpoints needed the most attention. The highest-traffic sites we needed to optimize used Laravel, a popular PHP framework. We used Laravel Debugbar to analyze those web apps.
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Most of our refactoring was simple: making hard-coded values configurable, or turning certain features on or off depending on environment. Sending email through SES meant specifying an SMTP hostname and credentials, and in some cases upgrading email delivery to use TLS for improved security. We introduced Memcached to cache database query results and server-side rendered views.
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Sonar
Write Clean Java Code. Always.. Sonar helps you commit clean code every time. With over 600 unique rules to find Java bugs, code smells & vulnerabilities, Sonar finds the issues while you focus on the work.
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Apache JMeter
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
We set up staging environments in AWS to test our new infrastructure. Starting with some relatively modest capacity choices (1-2 t3.small instances per web app), we performed load tests on the most popular pages on each site. We built some simple load testing scripts that wrapped Apache JMeter commands: