Building a better DatabaseCache for Django on MySQL - Adam Johnson
Building a better DatabaseCache for Django on MySQL2015-05-17I recently released version 0.1.10 of my library django-mysql, for which the main new feature was a backend for Django’s cache framework called MySQLCache. This post covers some of the inspiration and improvements it has, as well as a basic benchmark against Django’s built-in DatabaseCache. TL;DR - it’s better than DatabaseCache, and if
High Performance Web - Reducing Database Round Trips | XOR Media
2013-05-13 Background There are two main sources of latency in the backend of web applications: rendering (HTML templating or data serialization) and IO (database or external service calls.) Today we’ll look at the latter and more specifically focus getting rid of extraneous database round trips. The fastest query possible is one that doesn’t happen. Before we get in to the details I’ll mention th
Using Django querysets effectively
Object Relational Mapping (ORM) systems make interacting with an SQL database much easier, but have a reputation of being inefficient and slower than raw SQL. Using ORM effectively means understanding a little about how it queries the database. In this post, I’ll highlight ways of efficiently using the Django ORM system for medium and huge datasets. Django querysets are lazy A queryset in Django r
Django ORM performance tips - part 1 - Huseyin Yilmaz
Django ORM performance tips - part 1 9 March 2011 This blog post will be split into two part. After I finish part two, I will add a link at the bottom of this one. For both parts I will use a sample project with sqlite3 database. models.py file for sample application is here: Django encapsulates SQL queries with its ORM infrastructure. This is a very nice feature for developers, since it makes imp
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Django Memcached: Optimizing Django Through Caching
Looking for Python Tutoring? Remote and local (NYC) slots still available! Email me at [email protected] for more info. Caching is a subject near and dear to the heart of many performance-minded programmers. For those coming to web programming without other programming experience, caching may be a new topic. For programmers new to the web, using an external cache may be an approach not yet consid
Measuring & Optimising Django Database Performance - Blueprint Forge.
Database performance is a crucial factor in web application performance, and can mean the difference between a responsive web application and a slow one. Here, we summarise methods for identifying database performance issues, and how to approach fixing them. Benchmarking Overall Performance First, it is worth establishing whether database queries are a performance bottleneck, or whether you should
Huseyin Yilmaz
Django ORM performance tips - part 2 6 April 2011 This is the second part of the two-part series. First part can be found here. Here are some more tips that every django developer should know in order to write faster apps. If you need only id of a related object use <modelname>_id variable Lets say we need company id of an employee. We can get it with employee.department.company.id Here, we have a
Django Performance Patterns 1: Measuring Performance - DZone
As Django has matured it’s being used for bigger and bigger projects. At the same time it’s also being used by more and more people building relatively simple applications quickly. Everyone’s application is different, but I’d wager the vast majority of these have a range of common performance problems. Performance is often something only larger teams get to spend time really getting to grips with.
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Profiling Django Applications: A Journey From 1300 to 2 queries - Hackers Gonna Hack
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