Tags: and fast speaking tuning market buffer way a completely"High-performance SQL Tuning essentials and Case Resolution" a book has been launched, many enthusiastic readers on the contents of the book and some of the specific questions raised questions, because of the numerous readers plus my daily work busy, here on the SQL
timeout; b read timeout; c write timeout);2.2. Parallelization of the serial request;A) use of curl_multi_* ();b) Use the swoole extension.
3. compress the PHP interface output:Using gzip compressionBenefits: Facilitates faster reception of data by client side;Cons: Extra CPU overhead
4. Cache Duplicate content: multiple requests, the content is not changed under the circumstances;
5.smarty Tuning and time window overlap ideas (which can be used in c
Tags: implementation mechanism originally page organizes tables based on free article content index ClustFollowing the book on SQL tuning (SQL tuning or SQL optimization) in the essentials of high-performance SQL tuning and case resolution, we talk today about one of the most important core mechanisms of SQL
Need for Performance Tuning
In this world of SAP programming, ABAP is the universal language. in most of the projects, the focus is on getting a team of ABAP programmers as soon as possible, handing over the technical specifications to them and asking them to church n out of the ABAP programs within the "given deadlines ".
Often due to this pressure of schedules and deliveries, the main focus of m
GIS image cutting performance tuning and GIS image Performance TuningStatus Quo and objectives
DellR920 Server, virtualized vmware vsphere 5.5 system, Guest System Windows Server 2012 R2. Deploy software ARCGIS 10. Image graph cutting test: the original cut takes 70 hours, And now it takes 17 hours. There is still room for further optimization. Debugging objectiv
FineReport performance tuning methods, finereport Performance TuningThe basic idea of FineReport performance optimization is to properly set the memory size of the application server.
Generally, the default memory configuration of the server is relatively small. In larger application projects, this memory is not enough
thickness of the arrow lines indicates the amount of data. In a graphical execution plan, each of the different operators has its own property values, and we can move the mouse over the operator icon to view Of course, you can also right-click on the icon, view the properties, go to the Properties panel and view more detailed property values The detailed indicator values for each operator in this case are described later, but there are a few key values here, which can be said to mention a lit
11 simple Java performance tuning techniques, java Tuning
Most developers naturally think that performance optimization is complex and requires a lot of experience and knowledge. Well, it cannot be said that this is completely wrong. Optimizing applications to achieve optimal perfo
Become a Java GC expert (5)-Java Performance Tuning principle, gc Tuning
Not every program needs optimization. If the performance of a program is the same as expected, you don't have to put extra effort into improving its performance. However, after the program debugging is
Article title: Overview of tuning methods for Linux network performance tuning. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Author: Yao Ye He Xiaoyu Yang bangqing Hongyun
In two articles:
The performance tuning of Enterprise Java applications is a daunting, sometimes futile task, caused by the complexity of modern applications and the lack of formal tuning methods. Modern enterprise applications are quite different from those applied ten years ago, and these applications now support multiple inputs, multiple outputs, complex frameworks, and busine
I will share 11 practical tips on Java performance tuning and java Tuning
Most developers think that performance optimization is a complicated problem and requires a lot of experience and knowledge. Yes, it is not wrong. It is not easy to optimize the application to achieve the best
MySQL performance tuning and Architecture Design-the idea and solution of the High Availability design in Chapter 17th, mysql Tuning
Chapter 1 High Availability design ideas and solutions
Preface:
The database system is the core part of an application system. To ensure the overall availability of the system, the database system cannot have any problems. For an en
A basic knowledge
1.1 What is the performance
Before performance tuning, let's first look at what performance is. As for performance, I think everyone who has studied Java can list a few points or even talk about it. In the book "Java TM Platform
SQL Server Performance Tuning methodology and common tools, SQL Server Tuning
In earlier articles, we mentioned the DETECT methodology in Performance Tuning. Here we will briefly review the DETECT methodology.
Discover the problem: found the problem
Lead e the conditions: E
The individual believes that JVM tuning is primarily addressed by the following methods1. Set the appropriate maximum heap memory (maximum and value for Cenozoic and Laosheng generations) and minimum heap memory (the operating system memory size consumed by JVM startup), and set the scale allocation of the heap.2, set up the suitable new generation because of its impact on the system performance and GC reco
Performance optimization is to improve the system performance, reduce energy usage, or reduce the impact of applications on other parts. If the optimization is hasty or there is no measurement, of course, performance optimization may have a bad effect.
Performance optimization is to improve the system
A basic knowledge1.1 What is performanceBefore performance tuning, let's start by understanding what performance is. With regard to performance, I think everyone who has studied Java can list a few points and even talk about it. In the Java TM Platform performance, the follo
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