Dan Luu • 5/30/2020

A simple way to get more value from metrics

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The article details the creation of LongTermMetrics (LTM) at Twitter, a system that allows querying metrics data across all services. It started by analyzing JVM survivor space configurations, identifying services with misconfigured settings that led to either poor performance or wasted memory. This project uncovered mid 8-figure annual cost savings and highlights the challenges of data consistency and the limitations of their existing metrics database.

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#jvm optimization #metrics analysis #performance tuning
A simple way to get more value from metrics

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