review Solving The N+1 Problem In PHP
Solving The N+1 Problem In PHP Read ↠ 7 Ô ❮EPUB❯ ❄ Solving The N+1 Problem In PHP ✿ Author Paul M. Jones – Citybreakscheap.co.uk The web page was taking three hours to loadLet that sink in for a moment three hoursThe code backing the page was a reporting script written in PHP attempting to build 40000 entiEPUB Solving The N+1 Problem In PHP Author Paul M. Jones Citybreakscheap.co.uk The web page was taking three hours to loadLet that sink in for a moment three hoursThe code backing the page was a reporting script written in PHP attempting to build 40000 entity objects from 2 mill The web N+1 Problem Kindle page was taking three hours to loadLet that sink in for a moment three hoursThe code backing the page was a reporting script written in PHP attempting to build entity objects from million database rows Indeed sometimes the page never loaded at all At least the client could tell when it failed because a big ugly error popped up in the browser window Unfortunately that was also around the three hour point The client was understandably frustratedIt turned out the cause was not that the database was
Paul M. Jones Ç 7 Read & Download
Slow by typical standards it was much bearable for the client Later refactorings improved the load time even furtherThe causes leading to the terrible performance of that reporting script have a name The N Problem The problem goes by various aliases such as the N problem N ueries SELECT N and so on but they all refer to the same thingWhile I mention the N problem than once in Modernizing Legacy Applications in PHP I did not address a solution directly This book remedies that Herein we will discuss the specifics of the N problem what the N problem ishow to diagnose and discover the problem in your applicationwhy the problem occurs andhow to solve the problem in your codebase using plain old PHP no ORMs neededIf your application code has database performance issues or if you want to learn how to prevent creating an N problem in your codebase buy this book today..
Read Ø eBook, PDF or Kindle ePUB Ç Paul M. Jones
Solving The N+1 Problem In PHP>Solving The PDF/EPUB or unoptimized It was not the number of rows being returned It was not the number of objects being builtNo the cause was the high volume of ueries being issued from the reporting scriptWhen I say high volume I mean two hundred thousand and one ueries These ueries were used to build each root entity along with each of its five associated collections and entities all as a result of how the script was assembling the entity objects No wonder the script was was taking three hours to finishAfter discovering this I The N+1 Problem PDF/EPUB was able to apply the techniues presented in this book to refactor how the entity objects were assembled Over the course of a few days of refactoring I was able to reduce the load time from hours to just under minutes That's a x improvement and while still.