This blog talks about one of our journeys to troubleshoot a performance issue in our application and will also go about explaining the concepts of Logback library’s Event Queue Management.

A few words to introduce our Service Ecosystem…

Push Marketing is one of the primary marketing channels in Groupon where we send over 350 million emails and 170 million push notifications on a daily basis to millions of customers. User Subscription Service (aka Global Subscription Service(GSS) as we all call it), is one of the cogs in the wheel of Push Marketing Platform which basically stores users’ location and product subscription information. We run a massive computation on a daily basis so that it can decide when and what to send to whom. …

Sridhar Vinodarao

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