Check why Django app is slow in production

This page summarizes the projects mentioned and recommended in the original post on /r/django
Database Tools Debugging Tools Debugger

Scout Monitoring - Free Django app performance insights with Scout Monitoring
Get Scout setup in minutes, and let us sweat the small stuff. A couple lines in settings.py is all you need to start monitoring your apps. Sign up for our free tier today.
www.scoutapm.com
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InfluxDB - Power Real-Time Data Analytics at Scale
Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
www.influxdata.com
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  • django-silk

    Silky smooth profiling for Django

    • Maybe look at https://github.com/jazzband/django-silk

  • django-debug-toolbar

    A configurable set of panels that display various debug information about the current request/response.

    • https://github.com/jazzband/django-debug-toolbar is also pretty good, but down to personal preference which of the 2 you choose (I prefer silk).

  • Scout Monitoring

    Free Django app performance insights with Scout Monitoring. Get Scout setup in minutes, and let us sweat the small stuff. A couple lines in settings.py is all you need to start monitoring your apps. Sign up for our free tier today.

    Scout Monitoring logo

  • PgHero

    A performance dashboard for Postgres

    • If you are using PostgreSQL you can enable logging of slow queries and connect to the server with pghero (https://github.com/ankane/pghero) and check top queries by the number of requests and total usage time. Also, you can just enable logging of queries in Django, and on each request, you will have a list of queries on development, sometimes it's just a missing select_related of prefetch_related to increase performance, or you need to create a complex index.

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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