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Linux performance monitoring and analysis tool background recently, a pre-developed system performance test is required. The system is deployed on the Linux server cluster. In high concurrency and high load scenarios, you can collect all the information (including CPU, memory, I/O, disk, and network traffic) occupied by each device... linux
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 tool allows AIX and Linux performance experts
HP Unix performance monitoring uptime displays the system running time, number of users, and system load. Top display process utilization of system resources iostat display system I/O situation sar display activity of each subsystem # sar-v 1 5 display system process, inod, file Table parameters # sar-u 1 5 display system CPU utilization # sar-d 1 5 display system I/O Activity # sar-B 1 5 Display System buf
Nmon (named Nigel's Monitor) is a computer performance system monitoring tool developed by IBM employees Nigel Griffiths for AIX and Linux systems. Nmon can display the operating system statistics on the screen or stored in a data file to help understand the use of computer resources, adjust direction and system bottlenecks. This system benchmark tool only needs to use one command to get a lot of important
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. Performance monitoringMode 1:/usr/local/tomcat7/conf/tomcat-users.xml Add the following:role rolename="Manager-gui"/> role rolename="Manager-script"/> role rolename="manager-jmx"/> role rolename="Manager-status"/> user username="admin" password= "admin" roles=" Manager-gui "/> user username="tomcat" password="Tomcat" roles ="Manager-gui,manager-script,manager-jmx,manager-status"/>Mode 2: Modify the/usr/local/tomcat7/bin/catalina.sh fi
Centos performance monitoring series 2: initial solution of CollectlFor a Linux system administrator, it is the primary responsibility to ensure that the system managed by the Administrator is in a good state.Linux administrators can find many tools to help them monitor and display processes in the system, such as top and htop.Today, we will introduce collectl, a tool that is easy to use;Introduction:Collec
PHP performance monitoring test----xhprof
Start to work until now, in addition to doing the novice task, basically are dealing with the server side, the front-end time is very short
Current company performance monitoring and testing: XHPROF and AB Testing
Xhprof----Facebook's open-source, lightweight PHP profiling
"Turn" original source: ? tecmint-kuldeep Sharma??? Translation Source: Linux story- cold weather ??? Welcome to share the original to Bó Lè headlines in terms of monitoring system resources, system performance, and usage activity, Sysstat is indeed a handy tool. Sysstat packages are used more or less in our everyday basic tools . It also provides a tool that can be scheduled to run with Cron to colle
queue:1Listen Queue len:128Idle Processes:5Active processes:1Total Processes:6Max Active Processes:6Max Children reached:0Slow requests:0Zabbix Client configuration keyVim/usr/local/zabbix/etc/zabbix_agentd.confUserparameter=php-fpm.status[*],/usr/bin/curl-s "Http://127.0.0.1/status?xml" | grep "Killall Zabbix_agentd/usr/local/zabbix/sbin/zabbix_agentdFinally, you can import the template connection template in Zabbix-serverTemplateZabbix monitoring p
KDESystemGuard (KSysguard) is a KDE tool for task management and performance monitoring. It adopts the client/server architecture and can monitor the local host or remote host. The following is the usage method:
Default KDE System Guard window
The front-end graphic interface uses sensors to obtain the information to be displayed. The sensor returns a simple value or more complex information, such as a table
lets you monitor and manage Java applications and virtual machines On a local or remote machine.On Windows, the jconsole command does isn't associate with a console window. It does, however, display a dialog box with error information when the jconsole command fails.Options
-interval
=n
Sets the update interval to n seconds (default is 4 seconds).
-notile
Does not tiles windows initially (for-or more connections).
.
Vmid [Protocol:][//]lvmid[@hostname [:p Ort]/servername]
Interval: Query interval
Count: Number of times
Option: Represents the virtual machine information to query mainly three classes of class load, garbage collection, run-time compilation state
JSTAT-GC 2764 250 20 per 250ms query process 2764 garbage collection situation.
Common options
Jinfo Java configuration information
Format: jinfo [option] pid
The Windows platform has only the
cumulative I/O, not bandwidth-K,--kilobytes uses KB units instead of human-friendly units. Script programming is useful in non-interactive mode.-T,--time plus timestamp, non-interactive non-modal.-Q,--quiet prohibits the first few lines, non-interactive mode. There are three ways of specifying it.-q Displays column names only on first monitoring-QQ never display column names.-QQQ never displays I/O rollups.Iopp [-ci] [-k|-m] [delay [count]]Installati
this dashboard 4). Left green button to add a chart and other tools, first add a chart test General: Basic information of the chart Metrics: The information needed to configure the data source for the chart Axes: Chart x axis y-axis detailed settings, unit settings, alert line settings Display: The specific style of the display 5 ). Specific Configuration 6 ). Configure Refresh Time 7 ). Finally remember to save The final effect is as follows, jumping once every 2 seconds
CPU performance indicators
1. CPU usage ratio of user processes
2. CPU usage ratio of System Processes
3. WIO, waiting for I/O is the ratio of the CPU in idle state.
4. CPU idle rate
5. Percentage of CPU used for context switching
6. Nice
7. Real-time
8. Length of the running process queue
9. Average Load
Tools commonly used in Linux to monitor CPU performance include:
1. iostat
Only the average informatio
installation, pay attention to language selection when you can choose Chinese;1.4. Establish Oracle Connection (required)(1) Install Oracle client instantclient_11_2;Configure the System environment variable path and tns_admin are the installation paths for instantclient_11_2;To configure the Tnsnames.ora file, fill in the required database instance information as follows:(2) establishing an Oracle connectionIf you need to monitor the operating system synchronously, you need to enter the user n
Java Performance monitoring under LinuxOne, JVM heap memory usage monitoringThere are 3 ways to get thread dump:1) using the Mbean in $java_home/bin/jcosole, to the mbean>com.sun.management>hotspotdiagnostic> operation >dumpheap, click Dumpheap button. The generated dump file is under the root directory of the Java application. 2) jmap-heap 1234 (1234 for process number)3)cmd->JVISUALVM, remote connection,
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