Technologies/Express/express.http.response_time.95percentile
ExpressExpressMetric

express.http.response_time.95percentile

95th percentile response time
Dimensions:None
Available on:DatadogDatadog (1)
Interface Metrics (1)
DatadogDatadog
The 95th percentile of response time
Dimensions:None

Technical Annotations (15)

CLI Commands (1)
node --trace-sync-io server.jsdiagnostic
Technical References (14)
morgancomponentexpress-status-monitorcomponentSequelizecomponentMongoosecomponentv8-profilercomponentClinic.jscomponentRediscomponentMemcachedcomponentsaturation pointconceptthroughputconceptpercentileconcepttail latencyconceptevent loopconceptTTFBconcept
Related Insights (10)
Slow API response times indicate processing bottleneckswarning
Slow database queries degrade response timeswarning
High response times from application bottleneckswarning
Application saturation causing response time spikes or failurescritical
Slow tail latency from outlier requests obscured by averageswarning
Event loop blocking causes request latency spikes under concurrent loadcritical
High p99 latency from event loop blocking patternswarning
Synchronous functions block event loop under high trafficwarning
Average latency masks event-loop stall tail latencywarning
Event loop congestion causes severe response time degradation at scalecritical