top server monitoring tools

Network traffic monitoring tools have a lot of, such as: MRTG, Cacti, Zabbix and so on, they have their own characteristics, different focus, only for different application scenarios for a variety of special needs. In addition to network traffic monitoring tools, there are nagios such a

Three tools for performance monitoring in LinuxGuideHow to manage Linux Hosts? The 18 weapons can be regarded as Swiss Army knives. One or two weapons can be claimed. The most common one is the three brothers of the stat family. What are the main computer resources? CPU, memory, and disk? Although there are many cloud computing technologies, it is still necessary to start investigating whether a system is r

updated to current L Time Total CPU time used by the process, in seconds M time+ Total CPU time used by the process, Unit 1/100 sec N %MEM Percentage of physical memory used by the process O VIRT The total amount of virtual memory used by the process, in kilobytes. Virt=swap+res P SWAP The size, in kilobytes, of the virtual memory that the process is using, swapped out.

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

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 ############

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

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

Oom?Java.lang.OutOfMemoryError:java head space heap memory overflowJava.lang.OutOfMemoryError:Permgen Space Java Eternal Overflow, that is, methods to overflow, generally because of the emergence of a large number of classes and JSPs, or the use of Cglib reflection mechanism,This can be resolved by changing the size of the method area and modifying it in the form of a similar-xx:permsize=64m-xx:maxpermsize=256m. In addition, too many constants, especially strings, can cause the method area to ov

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,

This article mainly introduces the linux performance monitoring tool. For more information, see 1. uptime This command intuitively shows the average load of the server in the past 15 minutes, 5 minutes, and 1 minute 2.Vmstat Output vmstat information every 2 seconds, 10 times in total. Category Procs Swap Io System Cpu R: Number of running processes Si

This is a creation in Article, where the information may have evolved or changed. Go is a very real programming language that provides detailed information about the state of the operation from the very beginning. After the product on-line tuning and troubleshooting can rely on these status information. Here we summarize some of the status monitoring methods used in our project. Pprof Go comes with a pprof tool that can do CPU and memory Profiling, t

Linux system monitoring and diagnostic toolsLinux users may not be unfamiliar with top commands (different system names may be different, such as topas in IBM aix ), it is mainly used to monitor the system's real-time load rate, process resource usage, and other system status attributes. Next let's take a look at the top: (1) system and task statistics: the first eight rows are the overall statistics of the system. The second line is the task queue in

--version Output version information and exit--write-w write running configuration into home directory if no config files were loadedInnotop is a MySQL and InnoDB transaction/status Monitor, like ' top ' forMysql. IT displays queries, InnoDB transactions, lock waits, deadlocks,Foreign key errors, open tables, replication status, buffer information,Row operations, logs, I/O operations, load graph, and more. You canMonitor many servers at once with Innotop.[Email protected] innotop-1.9.0]#/innotop

There are a lot of performance tools on the Linux platform, a dazzling, long-term groping and experience finding the best thing to use is the proven, simple gadgets. System performance expert Brendan D. Gregg at the recent LinuxCon NA 2014 conference to update his famous talk (http://www.brendangregg.com/linuxperf.h tml) and slides. and Brendan last year's Talk (http://www.vpsee.com/2013/06/linux-system-performance-

Tags: delete homemade commands help command execute commands apply large number of large numbers softMany applications now use MongoDB to store large amounts of business data, and MongoDB's document-based storage is common in the big data industry. MongoDB Client tools are also many, web-based but not much, domestic less, the following this domestic Treesoft database management system, is a Java development, web-based tool software, to achieve MONGODB