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RailsConf 2019 - Cache is King by Molly Struve

Molly Struve
Lead Site Reliability Engineer at DEV Community
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RailsConf 2019
April 30, 2019, Minneapolis, USA
RailsConf 2019
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RailsConf 2019 - Cache is King by Molly Struve
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About speaker

Molly Struve
Lead Site Reliability Engineer at DEV Community

I am a Site Reliability Engineer that thrives on making performance optimizations. I have extensive knowledge about Elasticsearch and also work with Redis and MySQL daily. My primarily coding language is Ruby and I enjoy finding ways I can use it to further speed up an application. I am also passionate about building and monitoring infrastructure in a way that is easy to use and easy to scale.

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RailsConf 2019 - Cache is King by Molly Struve


Sometimes your fastest queries can cause the most problems. I will take you beyond the slow query optimization and instead zero in on the performance impacts surrounding the quantity of your datastore hits. Using real world examples dealing with datastores such as Elasticsearch, MySQL, and Redis, I will demonstrate how many fast queries can wreak just as much havoc as a few big slow ones. With each example I will make use of the simple tools available in Ruby and Rails to decrease and eliminate the need for these fast and seemingly innocuous datastore hits.

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