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Troubleshooting response time problems – why you cannot trust your system metrics - High Scalability -
Production Monitoring is about ensuring the stability and health of our system, that also  includes the application. A lot of times we encounter production systems  that concentrate on System Monitoring, under the assumption that a  stable system leads to stable and healthy applications. So let’s see  what System Monitoring can tell us about our Application. Let’s take a very simple two tier Web A
Big Data in Real-Time at Twitter
The document summarizes how Twitter handles and analyzes large amounts of real-time data, including tweets, timelines, social graphs, and search indices. It describes Twitter's original implementations using relational databases and the problems they encountered due to scale. It then discusses their current solutions, which involve partitioning the data across multiple servers, replicating and ind
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