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Pinterest: Upgrading Java Operational Metrics
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// Unoptimized | |
// this performs a synchronized lookup for every increment | |
void someHighQPSFunction() { | |
Stats.incr("metric_name"); | |
} | |
// Optimized | |
Counter someCounter = Stats.counter("metric_name"); | |
void someHighQPSFunction() { | |
someCounter.incr(); // saves one synchronized lookup per increment | |
} |
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