Ruby Performance Optimization: Why Ruby is Slow, and How to Fix It. Alexander Dymo

Ruby Performance Optimization: Why Ruby is Slow, and How to Fix It


Ruby.Performance.Optimization.Why.Ruby.is.Slow.and.How.to.Fix.It.pdf
ISBN: 9781680500691 | 170 pages | 5 Mb


Download Ruby Performance Optimization: Why Ruby is Slow, and How to Fix It



Ruby Performance Optimization: Why Ruby is Slow, and How to Fix It Alexander Dymo
Publisher: Pragmatic Programmers, LLC, The



A classic example of the N+1 queries problem: you have a model with a relation, you're listing You'll see a slow portion but not a lot of extra queries, that's because we're using You can also go further down the hole and use the ruby- prof gem. Good language, bad implementation. Gleb Arshinov Optimizing Rails With PostgreSQL. PostgreSQL But classical ORM problem exists: create table Rails Performance > Ruby. Your boss walks by: "The site feels slow. Several factors can cause Ruby applications to have performance discrepancies we need to measure where the bottlenecks and problem areas are in our application. Real solution is to memory bloat is to profile and optimize. 4 Simple Steps to Detect & Fix Slow Rails Requests The majority of the time, our performance problems have nothing to try and optimize all your dishes to be handled by the fast machines. Buy Ruby Performance Optimization: Why Ruby Is Slow, and How to Fix It at Walmart.com. There's a pervasive myth that Ruby is slow, and moreover, that it's the According to this benchmark suite, JRuby is 34.5 times slower than (not C, not C++, but) Fortran. It means that a Ruby O/RM has to be optimized for completely different patterns than something like Hibernate. Repeat after me: I will not optimize anything in my application until my metrics tell me so. Lots of in-app metrics tools exist (e.g. An identical object oriented solution to the Josephus Problem(. Lot of attention to optimizing the code ), most Ruby libraries are slow.





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