postgres performance monitoring

replica for each secondary replica, the contents of which are logs buffered from the log or capture from the disk, and the size of the queue reflects the difference between the primary replica and the secondary replica data being out of sync.Obviously, the two key factors that are most likely to affect AlwaysOn synchronization performance at this stage are the source of the capture log (disk or memory) and the size of the queue.In both of these facto

The 1th Chapter Course Introduction (Java Second Kill course teacher to build)This chapter introduces the possible problems of the production environment and common performance monitoring tools, and what the course can learn, how to arrange the contents of the course, so that everyone has a full picture of the curriculum, so as to better study the course.1-1 Why study this course?The 2nd chapter is based on

1. Smokeping Smokeping is RRDtool's author Tobi Oetiker's work, written in Perl, mainly monitoring network performance, including regular Ping, using echoping to monitor the performance of the WWW server, monitoring DNS query performance,

Linux performance testing and monitoring SAR commands SAR (System activity Reporter report) is one of the most comprehensive system performance analysis tools available on Linux, which can be used to report the activities of the systems in many ways, including: Read and write of files, usage of system calls, disk I/O, CPU efficiency, Memory usage, process activi

Linux performance testing and monitoring sar commands. Linux performance testing and monitoring sar Command sar (SystemActivityReporter system activity report) is currently one of the most comprehensive system performance analysis tools in Linux. it can be used to test and m

Looked at such a tutorial, read a manual, according to the requirements to change a set, system settings, kernel parameters that the idea of a system optimization is silly very naïve: the system optimization is a complex, cumbersome, long-term work, optimization needs to be monitored, collected, tested, evaluated, optimized after testing, collection, evaluation, monitoring, And is a long-term and continuous process, not to say now optimization, testin

performance counters for loadrunner monitoring today, I put up some of my counters and their threshold requirements, etc., which are for my Windows operating system, C/s structure of SQL Server database and Web platform. NET product test some of the counters; we can continue to add, On UNIX platform for Oracle database testing and Java EE Architecture and WebLogic aspects of the testing of friends, but als

template, the following accessoriesSecond, import the corresponding CPU, IO, hard disk and other performance monitoring template files, enter Perfmon in the run, click the Data Collector = "user-defined, such asRight-click, new Data Collector, select Import from Template, asClick Next, select System performance, click Browser, select the CPU information correspo

Reprinted from: https://www.lanhusoft.com/Article/125.htmlPreviously developed WebForm can open trace to track the page events, which for the performance of the diagnostic program is a great help, play a multiplier effect, today I will talk about using MVC development project debugging and performance monitoring. The EF framework automatically generates SQL state

many other diagnostic tools, you can see through what the database is doing, and even know the performance load of any time zone in the last 30 days and what the database is doing.Although there are excellent monitoring tools like "zabbix,pmm" in MySQL, they can only reflect some performance data curves of database history, for example, TPS is high, temporary ta

Cloud Wisdom Neeke One. PHP Application Scenarios Since its inception in 1994, PHP has evolved from Petty's "Personal Home Page Tools" to "Php:hypertext preprocessor", based on strong scalability and agile iterative features, Basically has become the Internet technology company's necessary language, to promote the development of the Internet to provide a steady flow of powerful power. PHP-based open source software and development frameworks (excellent, such as Wordpress,zend framework,la

DirectoryI. Introduction to the use of htop toolsIi. Introduction to the use of Dstat toolsThis blog post for Linux system introduced two commonly used system performance monitoring software basic use, for Linux system we generally want to monitor the object has process, CPU, memory, disk IO, swap, network card and so on.(a) Introduction to the use of htop toolsHtop is a more user-friendly, more powerful in

IntroductionThis article is the second article in the Java Performance Analysis tool series, the first article: Operating system Tools. In this article, you will learn more about Java applications and the JVM itself using built-in Java monitoring tools. There are many built-in tools in the JDK, including: Jcmd: Prints the class, thread, and virtual machine information for a Java process. Suitable f

JoeZonkerBrockmeier mentioned five tools to monitor and improve Linux system performance in an article on the Linux Foundation website. These five tools cover kernel optimization, network monitoring, and system monitoring. they are KDESystemMonitor, Dstats, TheSysstatAuite, network monitoring using Ifstat, and Li Joe Z

Linux performance testing and monitoring sar commands Sar (System Activity Reporter System Activity Report) is one of the most comprehensive System performance analysis tools on Linux. It can report System activities from multiple parties, including: file read/write, system call usage, disk I/O, CPU efficiency, memory usage, process activity, and IPC-related acti

request processing to different controllers. Similarly, Struts Actionservlet is delegated to the Action subclass that acts as a controller. In the second part of the article exploring performance monitoring with AspectJ, I extended the Glassbox Inspector to provide more meaningful information about application performance by adding monitors. These monitors trac

A product requires stress testing, so I decided to use the performance tool provided by Windows2003 for system performance monitoring. If you have sufficient permissions in the test environment, you can easily use a dedicated machine to Execute Performance Tools and remotely monitor the target server, compared to execu

Shanghai Tian Dan Solution-City Farm business performance monitoring SolutionsShanghai Tian Dan BPC Business Performance monitoring solution, help City firm with controllable input to establish flexible and open business operation and maintenance system, and support the city firm to carry out financial innovation based