performance line tool

information. The Pstree command is useful for analyzing the source of a process.Vi.. SarThe SAR program is also part of the Sysstat installation package. The SAR command is used to collect, report, and save information about the system. The SAR command consists of three applications: SAR, using and displaying data, SA1 and SA2, for collecting and storing data. By default, automatic collection and analysis is added to the crontab:Reference[Email protected] ~]# Cat/etc/cron.d/sysstat# Run System

accounting tool every 10 minutes*/10 * root/usr/lib/sa/sa1 1 1# Generate a daily summary of process accounting at 23:5353 23 *** root/usr/lib/sa/sa2-The data generated by the sar command is saved in the/var/log/sa/directory. The data is saved by time and the corresponding performance data can be queried by time.You can also use sar to get a real-time execution result under the command

Overview When the system bugs need to locate the problem, knowledge, experience is the key foundation, the data is the basis, the tool is the use of knowledge processing data means. The data mentioned here include: Run log, exception stack, GC log, thread snapshot (threaddump/javacore file), heap dump Snapshot (heapdump/hprof file), etc. Using the appropriate virtual machine monitoring and analysis tools can accelerate our ability to analyze data and

This article is a detailed analysis of the use of PHP performance testing tools in the production environment xhprof, the need for a friend reference Xhprof is a PHP performance testing tool that is open source for Facebook, and it can also be called the Profile tool, a word that doesn't know how to translate. There

Rotten mud: Application of apache Performance Testing Tool AB and apache Performance Testing This article was sponsored by Xiuyi linfeng and first launched in the dark world. Website performance stress testing is an essential part of the performance tuning process for serve

Art Word to achieve later, performance has become a relatively large bottleneck, optimizing the performance of the process of exposure to some. NET Performance debugging tool, the favorite is the ants performance Profiler, simple operation, the function is similar to what I

Windows Vista®, Windows server®2008, Windows 7, or Windows Server R2. For information about applying a Windows image to your system, see capturing and applying a Windows image.BCDboot uses the%windir%\system32\config\bcd-template file to create a new BCD store on the system partition and initialize the BCD boot environment file. You can define specific BCD settings in the Bcd-template file. The tool also copies the latest version of the boot environm

Yahoo open-source MySQL Performance Analysis Tool (MySQL Performance Analyzer ), Address: https://github.com/yahoo/mysql_perf_analyzerMySQL Performance Analyzer is an open source project for MySQL performance monitoring and analysis. This repository implements des two sub pr

RabbitMQ Performance Testing Tool Introduction:Https://www.rabbitmq.com/java-tools.htmlRabbitMQ Performance Testing Tool Download:Https://github.com/rabbitmq/rabbitmq-perf-test/releasesUnzip the file (put it in the RabbitMQ installation directory)Rabbitmq-perf-test-1.1.0.zipTest (command

Oracle Performance Optimization Performance Diagnostic Tool-beyond OCP proficient in Oracle video tutorial Training 33Course IntroductionOracle Video tutorial, wind Brother this set of Oracle Tutorial training Oracle Performance optimization Statistical information management, the course content is as follows:1.Oracle

PS Line tool How to draw a dashed line, Method/Step 1, open the PS software, new layer. 2. Select the Pencil tool in the brush tool on the left side of the toolbar. 3. Click the Brush tool in the window

We recommend that you use the command line download tool. The command line tool is not only easy to use, but also has a high download speed and download efficiency. It is especially suitable for downloading files in large batches. The following describes the Linux download tools Wget and Prozilla. WgetLinux download

Tags: mysql mysqldmin command line tool GUI toolConnect to MySQL serverMySQL client Mysqld Receive connection request:Local communication: The client is on the same host as the server side, and also communicates based on the 127.0.0.1 (localhost) address or the LO interface;Linux OR Unix:unix Sock,/tmp/mysql.sock,/var/lib/mysql/mysql.sockWindows:memory, PipeRemote communication: The client is on a different

Node. js checks for updates using the command line tool, and node. js command line With the popularity of Node. js, it becomes easier to develop command line tools using Node. js. A mature command line tool should give users an "e

tools are used here. The reason for not using the firebug plug-in is that its "network" analysis module is "powerful" without Firefox built-in Developer Tools ") We mainly use its "network" module to view the URL-related HTTP request content sent by the browser and the site's HTTP Response content when accessing a website, in its "Viewer" module, locate the corresponding HTML Tag that triggers the browser request for other URLs. Firefox NoScript plug-in Additional installation is required. Fo

Tool: linux performance monitoring tool-nmon, linux-nmon Nmon download: http://pan.baidu.com/s/1jICoSpo It can be run directly in linux. The nmon tool can display all important performance optimization information on a single screen and dynamically update it. The nmon

Performance monitoring tool: 1. Task Manager 2. Performance Logs and alarmsI. Task Manager1. Purpose: display applications running on the system Program Process, CPU, memory, and other usage and statistical information.2. Open Mode (local or remote)1> right-click the blank area in the taskbar and select "Task Manager"2> CTRL + ALT + del ctrl + ALT + end3> Ctrl +

high requirements on space utilization and not particularly high security requirements for large file storage. On the contrary, systems with high security requirements, regardless of the cost, use RAID 10 to write small data volumes frequently. Based on experience and analysis: raid10 is recommended for small I/O database operations, such as ERP applications. Large file storage and data warehouses, such as Medical PACS and video editing systems, from the perspective of space utilization, RAID