top 10 monitoring tools

2015-12-27 iOS DevelopmentFor every system administrator or network administrator, it is very difficult to monitor and debug Linux system performance issues every day. I've had 5 years of experience working with Linux administrators and know how to monitor the system to keep it running properly.To do this, we have written 20 command-line system monitoring tools that are useful and most commonly used by Linu

The JDK itself provides many convenient JVM performance tuning monitoring tools, in addition to the integrated VISUALVM and Jconsole, there are JPS, Jstack, Jmap, Jhat, Jstat and other small tools, this blog hope to play a useful, Let's start to understand the common tools for tuning JVM performance.In real-world enter

10 Useful PHP Open source tools, 10 PHP open source In development work, the right tools are used to maximize efficiency. In addition, a large number of open source projects also save developers from repeating the "wheel" time, so that developers can focus on the implementation of the business. This article introduces

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 executing monitoring

What skills Modern network performance monitoring tools should have. Previously, enterprise network engineers had to provide network access and sufficient bandwidth for a variety of connected servers, applications, and end devices. From the OSI model perspective, these tools focus primarily on 1-4 layer networks. Because all traffic and data flows across a networ

Article Title: use of commercial server AIX resource monitoring and modulation tools. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Performance Optimization and determining the performance bottleneck in the system are one of the main tasks of the system administrator.

Top 10 websites and tools indispensable for Android development and top 10 for android Development 1. Google Before development, I was completely a little white. I really don't know about Google. I only know about Baidu. If I encountered a problem, I went to Baidu rather than Baidu. Baidu is indeed reliable in Entertainment gossip, however, the technical informat

Monitoring Linux system performance every day is a daunting task for every system/network administrator. After 5 years of Linux system administrators in the IT industry, I found it's not easy to monitor and keep the system up and running, so I've summed up 8 very useful command-line tools for Linux/unix system administrators. These commands support all Linux systems and can be used not only to monitor the s

Set of cpu monitoring tools for Linux Set of cpu monitoring tools for Linux 1. top tools provided by the systemDetailed parameter description:15:46:08: current system time45 days: the system runs for 45 days.2 users: the system currently has two users logging onLoad average:

Chapter 8 JVM performance monitoring and troubleshooting tools (2), jvm troubleshooting Note: This blog is mainly recorded in "deep understanding of Java Virtual Machine (version 2)" Note: For details about JVM performance monitoring and troubleshooting tools on the command line, see Chapter 7 JVM performance

the network, etc., the complete shortcut key content can be viewed through the Help (key "H"), can display the Linux system CPU, memory, process information, including the CPU user, system, wait and idle status values, available memory, Detailed metrics such as cache size and CPU consumption of the process. This kind of way displays the information real-time strong, can grasp in time the system under the pressure the operation situation, each CPU utilization is how much, the memory uses, the ne

Linux console. It collects a lot of information, such as IP traffic monitoring over the network, including TCP tokens, ICMP details, TCP/UDP traffic separation, TCP connection packets, and bytes. It also collects common information and details about the state of the interface: TCP, UDP, IP, ICMP, non-IP,IP checksum error, interface activity, and so on.For more information about Iptraf tool usage and more, visit: Iptraf Network

[O M personnel? Why? 01] 20 built-in monitoring tools in Linux: is the top person in O M? Slave 32? Leo? Why does the male reading Qi Shi Jie (shu? /O, CPU, memory, network and other bottlenecks, so the system O M, can not sleep? The following tools are helpful for refreshing your mind ~ (@ ^ _ ^ @)~... [O M personnel? Why? 01] 20 built-in

In addition to the integrated VISUALVM and Jconsole, the JVM also has small tools such as JPS, Jstack, Jmap, Jhat, Jstat, etc.Problems that may be encountered in development OutOfMemoryError, Low memory Memory leaks Thread deadlock Lock contention (lock contention) The Java process consumes too much CPU These problems may be overlooked by many people in their daily development (for example, some people encounter the probl

graph bar is displayed;B Switch calculates the average flow in 2 seconds or 10 seconds or 40 seconds;T Toggles whether the total traffic for each connection is displayed;L Turn on the screen filtering function, enter the characters to filter, such as IP, press ENTER, the screen will only show this IP-related traffic information;L Toggle the top of the display screen, the scale is different, the flow graph bar will change;J or K can scroll up or down

V Ndrt The number of pages that were modified the last time it was written to. W S Process state.D= non-interruptible sleep stateR= runS= SleepT= trace/StopZ= Zombie Process X COMMAND Command name/command line Y Wchan If the process is sleeping, the system function name in sleep is displayed Z Flags Task Flag, reference sched.h By default, only the more important PID,

, very few resources (almost no resources), configuration parameters are very simple, using only a few if ... then ... Statement to complete the monitoring task. This is especially useful for guarding certain processes. For example, if the HTTP service is detected to be unhealthy, automatically restart Apache or Nginx. But the monitoring function is slightly simpler than Nagios.Reference URLHttp://mmonit.co

Document directory Performance bottleneck Performance counters Monitoring servers are a key part of server management..By using appropriate monitoring tools, you can detect server problems, evaluate the results of website content changes, and plan upgrades to facilitate your access to the site. Select an appropriate mon