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Technology ⇅Scenario ↑Category ⇅Severity ⇅Gradew/ SchemaTokensLatencyTurnsTool CallsSchema CallsResponse
NGINX
Buffer Size Tuning for Proxied ApplicationsMy NGINX proxy is showing high disk I/O and slow response times when proxying to my backend application. How do I size proxy_buffers and proxy_buffer_size correctly to keep responses in memory instead of writing to disk?
Capacity Planningwarning—
NGINX
Cross-Platform Monitoring Metrics MappingI'm migrating from Datadog to Prometheus for NGINX monitoring. How do the metrics map between platforms and what's the equivalent of Datadog's nginx.net.connections in Prometheus? Do I need to enable different NGINX modules for each platform?
Cross Platforminfo—
NGINX
Keepalive Connection Pooling to Upstream ServersI'm seeing a lot of TIME_WAIT sockets and my NGINX server is running out of ephemeral ports when connecting to backends. How should I configure upstream keepalive connections to reuse connections and avoid port exhaustion?
Proactive Healthwarning—
NGINX
Kubernetes Ingress Controller 503 Service UnavailableMy NGINX Ingress Controller in Kubernetes is intermittently returning 503 errors during deployments and sometimes even under normal traffic. How do I diagnose whether this is a pod readiness issue, service misconfiguration, or resource problem?
Incident Responsecritical—
NGINX
Load Balancing Algorithm Selection and Upstream HealthMy NGINX load balancer is using round-robin but some backend servers are getting overloaded while others are idle. How do I choose between least_conn, ip_hash, and weighted round-robin based on my application characteristics and connection patterns?
Proactive Healthwarning—
NGINX
Memory Leak Diagnosis in NGINX WorkersMy NGINX worker processes are showing steadily increasing memory usage over time, eventually leading to OOM kills. How do I determine if this is a configuration issue, an application memory leak, or an actual NGINX bug?
Incident Responsecritical—
NGINX
Proxy Cache Hit Ratio OptimizationMy NGINX proxy cache hit ratio is only 60% and my backends are getting hammered with requests. How should I tune proxy_cache_valid, cache keys, and cache locking to improve cache efficiency and reduce origin load?
Cost Optimizationinfo—
NGINX
Rate Limiting Configuration for DDoS ProtectionWe're experiencing what looks like a DDoS attack with massive request spikes. How should I configure NGINX rate limiting (limit_req) with the right burst and nodelay settings to protect my backends without blocking legitimate users?
Incident Responsecritical—
NGINX
Slow Response Time and Latency DiagnosisMy application is experiencing slow response times and I need to figure out if the bottleneck is in NGINX itself or in my backend services. How do I use request_time vs upstream_response_time to isolate where the latency is coming from?
Incident Responsewarning—
NGINX
SSL/TLS Session Cache Optimization for High-Traffic SitesMy NGINX server handles a lot of HTTPS traffic and I want to optimize SSL/TLS performance. How should I configure ssl_session_cache and ssl_session_timeout based on my connection rate and memory constraints?
Proactive Healthinfo—
NGINX
Upstream Backend Timeout Causing 502 ErrorsI'm getting 502 Bad Gateway errors from NGINX and my logs show 'upstream timed out'. How do I tell if this is a backend performance issue versus an NGINX timeout configuration problem?
Incident Responsecritical—
NGINX
Worker Connections Exhausted During Traffic SpikeMy NGINX server is showing 'worker_connections are not enough' errors and dropping connections. How do I determine if I need to increase worker_connections or add more worker processes based on my current traffic patterns?
Capacity Planningcritical—