Pricing
Docs
Log in
Get Started
/
Technologies
/
Flask
/
Insights
Flask insights
Open Source
Versions: [3.1.3]
21 metrics
OpenTelemetry
·
Prometheus
·
CloudWatch
·
Datadog
Flask
Blueprint not registered causes complete route unavailability
critical
flask.request.status_4xx
fixdevs.com
11d ago
▸
Flask
Trailing slash mismatch causes unexpected redirects or 404s
warning
flask.request.status_3xx
flask.request.status_4xx
fixdevs.com
11d ago
▸
Flask
Module with routes never imported causes route not found
critical
flask.request.status_4xx
fixdevs.com
11d ago
▸
Flask
Debug mode enabled in production allows arbitrary code execution
critical
fixdevs.com
11d ago
▸
Flask
Gunicorn module path misconfiguration causes all routes to 404
critical
flask.request.status_4xx
fixdevs.com
11d ago
▸
Flask
Nginx path stripping breaks Flask routing
warning
flask.request.status_4xx
fixdevs.com
11d ago
▸
Flask
WSGI path prefix mismatch causes 404 when app mounted at subpath
warning
fixdevs.com
11d ago
▸
Flask
Blueprint url_prefix misconfiguration causes wrong route path
warning
flask.request.status_4xx
fixdevs.com
11d ago
▸
Flask
HTTP method mismatch returns 405 instead of 200
warning
fixdevs.com
11d ago
▸
Gunicorn
Worker pool exhaustion causes exact 60-second request hangs
critical
gunicorn.workers
gunicorn.worker.connections
gunicorn.request.duration
technetexperts.com
1mo ago
▸
Flask
Excessive database queries slow response times
warning
http.server.request.duration
codezup.com
1y ago
▸
Flask
Unoptimized database queries cause performance degradation
warning
http.server.request.duration
codezup.com
1y ago
▸
Flask
Missing cache for frequently accessed data increases database load
warning
http.server.request.duration
codezup.com
1y ago
▸
Flask
Synchronous task execution blocks request handling
warning
http.server.request.duration
http.server.active_requests
codezup.com
1y ago
▸
Flask
Excessive caching causes high memory usage and cache thrashing
warning
process.resident_memory_bytes
process.virtual_memory_bytes
codezup.com
1y ago
▸
Flask
Improper async programming causes deadlocks and synchronization issues
critical
codezup.com
1y ago
▸
Flask
Flask page load degrades as database size increases
warning
http.server.request.duration
callumrollo.com
1y ago
▸
Flask
Fetching all MongoDB records then filtering client-side causes 40x slowdown
warning
http.server.request.duration
callumrollo.com
1y ago
▸
Flask
Expensive database aggregations run on every request without caching
warning
http.server.request.duration
callumrollo.com
1y ago
▸
Flask
Cache thread safety issues with uWSGI multi-process deployment
info
callumrollo.com
1y ago
▸
Flask
Single-worker Flask/FastAPI apps degrade severely under concurrent load
critical
http.server.request.duration
http.server.active_requests
dev.to
1y ago
▸
Flask
Low CPU and memory usage during high response times indicates worker starvation
warning
process.cpu_seconds_total
process.resident_memory_bytes
http.server.request.duration
dev.to
1y ago
▸
Flask
Slow page loads and resource exhaustion require profiling to identify bottlenecks
warning
http.server.request.duration
process.cpu_seconds_total
process.resident_memory_bytes
reintech.io
1y ago
▸
Flask
N+1 query problem adds hundreds of milliseconds per request
warning
reintech.io
1y ago
▸
Flask
Memory exhaustion from loading large datasets entirely into memory
warning
process.resident_memory_bytes
reintech.io
1y ago
▸
Flask
ProfilerMiddleware adds overhead in production environments
info
reintech.io
1y ago
▸
Gunicorn
ProcessPoolExecutor processes hold memory indefinitely without max_tasks_per_child
info
stackoverflow.com
2y ago
▸
Gunicorn
Flask uncaught exceptions not logged by Gunicorn
warning
gunicorn.exceptions
gunicorn.log.error
stackoverflow.com
6d ago
▸
Gunicorn
Flask error handlers not registered when defined in non-imported module with Gunicorn
warning
gunicorn.exceptions
gunicorn.log.error
community.plotly.com
6d ago
▸
Flask
Async background tasks silently cancelled on view return
critical
flask.request.error
betterstack.com
6d ago
▸