postgresql performance tuning

Address: http://nginx.com/blog/tuning-nginx/ Tuning nginx for performance Nginx Performance Tuning Nginx is well known as a high performance Load balancer, cache and web server, powering over 40% of the busiest websites in the wor

more information: Open source distributed database middleware mycat:http://blog.oldboyedu.com/mysql-mycat/Mycat: Open Source distributed database middleware: http://www.csdn.net/article/2015-07-16/2825228 Mongodb I've heard about it a few years ago, just know it's a nosql database, knowing that the storage format is JSON and is a file database. MongoDB supports sharding: Concrete implementation: http://my.oschina.net/ydsakyclguozi/blog/268377

garbage collection process are explained. The five articles will explain the principles of Java Program Performance tuning, especially the necessary knowledge in this process and the need to determine whether your program needs tuning. It also describes the problems you may encounter during tuning. At the end of this

SQLServerProfiler-performance tuning has enough reason to become a hot topic. Today's fierce competition in the business field, if users think that an application is too slow, they will immediately turn to another vendor. To meet user requirements, SQL tracking loads some event classes, which can be used to find and debug performance bottlenecks.

DB2forIBMi provides a series of performance tuning tools. VisualExplain is an important one. It graphically displays the access plan generated after the DB2fori database query engine intelligently optimizes Users' Query requests. DB2 for IBM I provides a series of performance tuning tools, and Visual Explain is an impo

Framework Official Guide Series 52--topic: Performance Tuning Summary: The performance of a network application is affected by many factors. Database access, file system operations, network bandwidth, and so on are all potential factors. Yii has reduced the performance impact of the framework in all aspects. But in t

Websphere? Application Server Performance Tuning Toolkit is an Eclipse-based smart tool designed to help users tune WebSphere application by using data collection, data analysis, and statistical inference techniques The performance of the Server. The goal is to help users find bottlenecks and tune applications appropriately.Background knowledgeWith the wide deplo

Nginx Performance Tuning Address: http://nginx.com/blog/tuning-nginx/ Tuning NGINX for Performance Nginx Performance Tuning NGINX is well known as a high

In the relational database area, PostgreSQL is a very popular open source database software. Since its release in 1996, it has accumulated nearly 20 years of practical experience, both in PostgreSQL itself and in community ecology. Not only small and medium-sized enterprises, many large industry customers will also use PostgreSQL to build their own database syste

. For example, when an index is deleted, the execution Plan of the corresponding SQL Plan baseline is deleted, this will not help avoid performance degradation. I personally think this is a comprehensive choice of Oracle, and it is not a limitation of SQL Plan Management. The SQL Tuning function of the Oracle database can generate an SQL profile to help the optimizer generate a well-adjusted plan. However,

Talk about linux performance tuning 12: Red Hat optimization strategy Tuned talking about linux performance tuning 11: Memory Allocation Management http://www.2cto.com/os/201307/228761.html A dynamic tuning solution launched by RedHat allows you to use different

higher, faster disk.2.5.1. Network performance evaluation（1）通过ping命令检测网络的连通性（2）通过netstat –i组合检测网络接口状况（3）通过netstat –r组合检测系统的路由表信息（4）通过sar –n组合显示系统的网络运行状态Three Linux server performance Tuning 1. Tuning the Linux kernel elevator algorithm for disk I/OWhen the file system is selected, the algorithm balances low latency re

According to the tradition, parameters and settings of different Linux distributions and kernels have been changed, so that the system can achieve better performance. The following section describes how to use the following techniques to optimize performance in Red Hat Enterprise Linux AS and suse linux Enterprise Server systems: QUOTE: 1. Disabling daemons (disable daemons) 2. Shutting down the GUI (Disabl

even untimely, it should be understood. has been in the Java community for nearly 3 years, for some performance tuning topic I have been stuck in the mouth, just for last night saw a performance tuning article, I can't help it .Tomcat Performance Tuning:Locate the Conf direc

RedHat Performance Tuning Performance Optimization aims to improve performance and reduce the impact of resource consumption and applications on the system. If it is implemented prematurely or without performance evaluation, performance