System Monitoring Tool sysstat and monitoring tool sysstat
Sysstat monitors CPU usage, hard disk, and network throughput data. The collection and analysis of these data helps us determine whether the system is running normally, it is an effective assistant to improve system operation efficiency and secure operation of
Article Title: O M monitoring serialization: A Powerful open-source monitoring tool nagios. 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.
Source: it168
Author: Tian Yi (sery@163.com)
As the saying goes: to do good things, y
, when we visited our project, some static resources such as new classes were loaded into the JVM. This is also confirmed by a graph of the number of loaded classes in 5.4.5.4. Tomcat Load class case6. With the use of JmapFind us first the PID of the Tomcat process is 13863 and then execute jmap-heap 13863:The basic of the Heap Configuration is the ones we just match, such as Maxheapsize is 2048 mb,maxpermsize is MB. This is the same as in 5.1.Resources
Sun Java System Application Serve
C # File monitoring (Monitoring and output of additional content), suitable for monitoring log files (logs) in a directory, was originally developed on Linux to be deployed on the Jexus deployment site to the real-time output of Jexus log and its own site log files (has been tested by the run under Mono, So it's a tool
11. Monitoring and monitoring tool [watches and inspectors]
The monitoring [Watch] window contains several expressions [expressions]. It displays the values of these expressions in the second column. Ollydbg saves these expressions to The. UDD file of the main module, so they are equally valid during the next debugging
Linux monitoring tool introduction series-free and linux monitoring series-free
In Linux, we can view and monitor the system memory usage. The most common command is free. The free command is actually very simple, and the parameters are also very simple, but you may not know much about it. The following is a summary of the free commands I know. If any, please no
Linux Network Monitoring Tool ss, network monitoring ss
The ss command is used to display information about active sockets. Similar to netstat, but faster and more efficient than netstat.
ss -h
Usage: ss [OPTIONS] ss [OPTIONS] [FILTER]-h, -- help this message-V, -- version output version information-n, -- numeric don't resolve service names does not parse the se
Java built-in performance monitoring tool: Monitoring and Management Console jconsole usage1. Would you like to verify whether some tuning parameters (such as Xms and Xmx) configured for the jvm work? Do you want to monitor the number of threads in your custom thread pool in real time? Is there a deadlock? Java. lang. OutOfMemoryError: Java heap space appears in
FileMonitorKit file operation monitoring tool, filemonitorkit monitoring
I am writing a file operation monitoring tool in my spare time. It has stable functions and good results. If you are interested, you can download and play it.
:
32-bit: http://pan.baidu.com/s/1o64ZFIiF
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 + Shift + ESC3.1> how to end a task and how to
Tags: orzdba monitoring monitor MySQLThe ORZDBA tool must be used locally by default, which is not very convenient and now adds a remote call.How to use:./orzdba_remote--host=192.168.148.1--user=admin--password=123456--port=3308-mysql-sys650) this.width=650; "src=" Https://s5.51cto.com/wyfs02/M01/9A/D4/wKioL1lbKLTR2BqEAABA0DUZTug269.png "title=" QQ picture 20170704133315.png "alt=" Wkiol1lbkltr2bqeaaba0duzt
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
MySQL monitoring tool-Innotop, mysql tool-innotop
Innotop is a powerful MySQL monitoring tool. It uses perl to show the running status of MysQL servers and Innodb in text mode.
Install innotop
: Https://github.com/innotop/innotop
Github provides two versions: The innotop-ma
No matter how careful it is, it is impossible to avoid bad code altogether, and tools are needed to help us check if there is a memory leak in the code. The DDMS in Android tools comes with a very good memory monitoring tool heap (here I use the Eclipse ADT Plugin, and in the case of a real machine, like in the emulator). The steps to use the heap to monitor the application process using memory are as follo
1. Add Tasks
There are two types of tasks. One is a single URL that corresponds to multiple keywords. Suitable for monitoring multiple keyword rankings for a single site. The other is a single keyword corresponding to multiple domain names, suitable for a single keyword station group site or competitor website keyword ranking monitoring.
2, selected to build a good task, click on the top right keyw
No webmaster is willing to their own site downtime, but Google server will be a problem, not to mention that I have small sites, broken servers. The best solution to the down machine is only one: solve it in time. To solve the problem in time to know when the site server down. You can not 24 hours to refresh their web page to see if the page is normal, not to expect your users will be the first time you notice the site down, unless you are Google.
Therefore, as a webmaster, web site
display decoded content or packet-level statistics. These tools monitor and manage the network at the lowest level, as well as the most granular monitoring, at the expense of the process of affecting network I/O and analysis.
dhcpdump: A command-line DHCP traffic sniffing tool that captures DHCP request/reply traffic and displays decoded DHCP protocol messages in a user-friendly manner. This is a usefu
In the performance testing process, it is of great significance to monitor host resources. On the one hand, during the test, you can determine whether the pressurization is successful and whether the system can withstand the current pressure to ensure system security. On the other hand, after the test, you can sort the monitoring data, it can provide data support for performance analysis, problem discovery, and bottleneck search. This article will int
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.