jvm monitoring tools

Unix system performance monitoring tools-SAR System Environment: Operating System: AIX 5.3.9 Oracle: Oracle 10gR2 SAR can be used to monitor Unix system performance and help us analyze performance bottlenecks. The sar tool is used in the form of "sar [Option] intervar [count]", where interval is the statistical information sampling time, and count is the number of samples. RH442 strategy SAR Understanding o

Use of monitoring tools in percona-toolkit series 1. pt-deadlock-logger Function introduction: Extract and record mysql deadlock Information Usage: Pt-deadlock-logger [OPTION...] SOURCE_DSN Collect and save the latest deadlock information on mysql. You can directly print the deadlock information and store the deadlock information to the database, the deadlock information includes the server where the deadlo

Original Address:CentOS Monitoring Tools Sar,iostat Author:Every day down Yum-y Install Sysstat Whereis SAR Whereis Iostat You can see the relevant commands If you install with RPM package under Redhat, you can go to http://rpmfind.net/to find the Sysstat RPM package. Also attached: Linux disk IO View related commands and instructions From:http://blog.chinaunix.net/u3/93062/showart_1934431.html ############

Need to monitor Linux server system performance? Try these tools built in or attached to the system below. Most Linux distributions are equipped with a large number of monitoring tools. These tools provide metrics that can be used to obtain relevant information and system activities. You can use these

Article Title: Main Oracle monitoring tools in Linux. Linux is a technology channel of the IT lab in China. Including desktop applications, Linux system management, kernel research, embedded systems, open source, and other basic categories 1.top 　 The top command displays the process, CPU, memory, load, and other information of the Linux system in real time. It is the best tool for us to understand the over

connection interrupt request, or confirmation of a previous connection interrupt requestFin-wait-2: Waiting for connection interrupt request from remote TCP www.2cto.comClose-wait: Waiting for a connection interrupt request from a local userCLOSING: Waiting for remote TCP to confirm connection interruptionLast-ack: Waiting for acknowledgement of the original connection interrupt request to the remote TCPTime-wait: Wait enough time to ensure that the remote TCP receives a connection interrupt re

Professional database and oacle EBS monitoring tools Http://www.bgs-soft.cn/index.html Databases and applicationsProgramOptimization can greatly improve the system performance.In some cases, performance optimization can improve the performance by 80% or higher.In the field of database and Oracle 11i program optimization, We have rich experience and applied it to our B .g. s product. B .g. S is also rel

Pmui:https://github.com/fouber/pmuiAn UI wrapper of Page-monitor, to show webpage captures and diff them.Page-monitor:https://github.com/fouber/page-monitorMonitor page changesAll from this phantomjs http://phantomjs.org/download.html.Use to see the document, you can grab JSAn example of a download page that was previously written:var page = require (' webpage '). Create ();p age.open (' http://yoursite.com/index.php ', function (status) {//page is loaded! if (Status!== ' success ') {Console.log

swap areaSo: The amount of memory written to the swap area per secondIO: (now the size of the Linux version block is 1024bytes)BI: Number of blocks read per secondBo: Number of blocks written per secondSystem:In: Number of interrupts per second, including clock interrupts.CS: The number of context switches per second.CPU (expressed as a percentage):US: User Process Execution TimeSY: System Process Execution timeID: Idle time (including IO wait time)WA: Waiting for IO timeWww.ahlinux.comExample

CPU usage. T is sorted by time/accumulated time. W writes the current settings to the ~/.TOPRC file. This is the recommended way to write top configuration files. (7) Last skill: Top command Tips 1. Enter uppercase P, the result is sorted by CPU consumption in descending order. 2. Enter capital M, and the results are sorted in descending order of memory consumption. 3. Press the number 1 to show the load of all CPU cores. 4, top-d 5 refresh every 5 seconds, default 1 seconds 5. Top-p 4360,4358

1. Download the compressed package firstwget http://sourceforge.net/projects/nmon/files/download/nmon_x86_12a.zip/download2. Unzip and Modify permissionschmod +x NMON_X86_RHEL52MV Nmon_x86_rhel52/usr/bin/nmon3. Startup may report the following error, install the appropriate package, if not reported, the installation is successful, can be used directlyError 1:Error while loading shared Libraries:libncurses.so.5:cannot open Shared object file:no such file or directorySolve:Yum Install Ncurses-deve

/wyfs02/M02/7C/BD/wKiom1bW6FWyxmnBAAFwopE-UZE515.png "title=" 03.png "alt=" Wkiom1bw6fwyxmnbaafwope-uze515.png "/>650) this.width=650; "src=" Http://s4.51cto.com/wyfs02/M02/7C/BB/wKioL1bW6QGy3pWrAAFDrNnnjyw435.png "title=" 04.png "alt=" wkiol1bw6qgy3pwraafdrnnnjyw435.png "/> Good I will show these several, specific beauty I hope you can seriously to understand, I think we will love her as much as I do!"Summary: Monitorix is a powerful, beautiful appearance of open source software, I believe that

); Channel. Basicpublish ("", "Hello", null, body); Console.WriteLine ("[x] Sent {0}", message);}}} If the client is started before the server is started, the message is stored in the queue, and the DAv. Use of RabbitMQ GUIDs1. A Web management tool (Rabbitmq_management), officially provided Http://www.rabbitmq.com/management.html 2, after the installation of RABBITMQ, the default is also installed the management tool, execute the

Tsar is a collection of information on the server system and application of the collection reporting tools, such as the collection of server System information (CPU,MEM, etc.), as well as application data (Nginx, Swift, etc.), the collected data stored on the server disk, can always query historical information, Data can also be sent to the Nagios alarm. Tsar can be more convenient to add modules, only need to follow the requirements of Tsar to write

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

shows the application and the process number, so you can find the process number by this command when you want to kill a process. the command parameters for Nethogs are as follows:Options-h Display available commands usage.-V Prints Version info.-D delay for refresh rate.-V Select view mode-P sniff in promiscious mode (not recommended).-T TraceMode.-C Limit number of refreshes-s sort by traffic sentThere are fewer commands to display the page, only a few:M cycle between display modes (KB/S, KB,

One of the primary goals of managing certificates is to improve the security level of the enterprise, where authentication and access management should be valued. In this article, we'll start with a brief overview of the CA definition, and then focus on the application of Windows Server 2008 with professional certificate monitoring tools (Pkiview.msc and Certutil.exe). For an enterprise, it is very importan

Need to monitor Linux server system performance? Try these tools built in or attached to the system below. Most Linux distributions are equipped with a large number of monitoring tools. These tools provide metrics that can be used to obtain relevant information and system activities. You can use these

First, network monitoring tools 1. Linux various ways to view network card traffic: http://jasonyong.blog.51cto.com/47753/174197 2. NetPerf: Network Throughput/Latency: Http://www.ibm.com/developerworks/cn/linux/l-netperf/index.html?ca=drs 3. netstat:http://www.cnblogs.com/ggjucheng/archive/2012/01/08/2316661.html Second, disk monitoring

210.27.48.1Print packets that Helios and hot or communicate with AcesTcpdump host Helios and \ (hot or ACE \)Intercept host 210.27.48.1 and host 210.27.48.2 or 210.27.48.3 communicationTcpdump host 210.27.48.1 and \ (210.27.48.2 or 210.27.48.3 \)Prints the IP packets that the ACE communicates with any other host, but does not include packets between the Helios.Tcpdump IP host ace and not HeliosIf you want to get host 210.27.48.1 in addition to the IP packets that communicate with all hosts exce