We know that Eaccelerator is a free open source PHP accelerator, optimized and dynamic content cache, can improve the PHP script cache performance, and to optimize the script, so that your PHP program code execution efficiency can increase 1-10
Under different operating systems (WINDOWS98/2000/XP/2003/VISTA), Windows Optimizer Masters will automatically recognize the operating system and provide users with options appropriate to the current operating system.
The computer is set up for
PHP Service Caching Optimization principle
Nginx the PHP program request to the fcgi of parsing PHP based on the extension or filtering rules, that is, the PHP-FPM process
Cache operation code (opcode)
Opcode,php compiled
In this section, we will use the article's additions and deletions as an instance system to describe the cache usage, this example is to create RESTful style controller before the implementation of the article additions and deletions to check this
The title blew a bit big, buffer cache in the different situation in fact, in front of each small piece have, did not repeat the paste.
1.buffer Cache Size:
such as 16cpu,32g memory:
Initial allocation:
SGA_TARGET=16G--Half of memory
Buffer
How to use optimization master? The use of optimization master mainly involves 5 aspects, namely, testing the current performance of the machine, cleaning optimization, network system optimization, boot speed optimization, disk cache optimization.
Json and serialization summary, Json serialization Summary
I. Preface
When you encounter problems, you will often visit the garden. I wonder if you have ever encountered problems, or you may see solutions to problems in the garden. After a while,
This article mainly introduces the related functions of Nginx Plus, which spans the various versions of Nginx plus R5/R6/R7/R9. The more advanced usage of Nginx reverse proxy and load balancing is involved. Mainly include: HTTP load balancer, HTTP
Laravel Installing Zend Opcache Accelerator Tutorials
Take the article page, for example, through the chrome capture package, waiting time to 147ms, in fact, before the cache optimization, this page about 4 SQL statements, the speed is only about 15
About lamp and LNMP combination is not much mention, lamp is mainly apache+php (libphp5.so), LNMP is mainly nginx+php (fcgi php-fpm), here is the main introduction to PHP optimization, corresponding to a master configuration file for optimization,
After more than half a year of hard work, the book ASP. NET 3.5 + SQL Server website modular development full recording was finally successfully published by Tsinghua University Press.
The first time such books were published, there may inevitably
Link
Dataprovider is the most commonly used provider in daily programming. It provides the project with the ability to interact with the databaseProgramPersonnel can conveniently and quickly obtain the SQL structure, simplifying the programCodeTo
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# Turn on mod_pagespeed. To completely disable mod_pagespeed, you # can set this to "off". ModPagespeed on
This article mainly introduces the Apache extension module mod_pagespeed developed by Google. The goal
1. High Concurrency Optimization analysis
about concurrency
Concurrency does not go because when multiple threads access a row of data at the same time, a transaction is generated so that a write lock is generated, and every time a thread that
Computer Architecture: quantitative research methods: Version 5thBasic InformationOriginal Title: computer architecture: a quantitative approach, Fifth EditionAuthor: (US) John L. Hennessy David A. Patterson [Translator's profile]Translator: Jia
According to the plan in the previous article, this article should analyze from the perspective of practice how to pay attention to the impact of the Out of order problem in lock free code. But I don't want to go through so many things in this
This article is "on the Code level performance optimization Change Road One" of the second chapter.In the previous article we mainly introduced the five points of the problem encountered, then today to discuss the remaining issues, let us review the
: This article mainly introduces lamplnmp optimization 1-Cache. if you are interested in PHP tutorials, refer to it. The combination of lamp and lnmp is not mentioned much. lamp is mainly apache + php (libphp5.so) and lnmp is mainly nginx + php
The main differences between MyIsam and InnoDB are MyIsam and InnoDB. There are four major differences: cache mechanisms, transaction support, locking implementation, and physical data storage methods (including indexes and data ).
1. Cache
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