In the Linux operating system, we generally look at the CPU load of the system commonly used commands can be uptime,top, as well as vmstat and so on are all possible. The information provided by each tool is different,I'm going to talk about the CPU section here. Using the uptime command, you can get the operating system in the last 1 minutes, 5 minutes and 15 minutes of the CPU average load value, that is,
% The ratio of cache hits to all cached requests.The total number of unsuccessful lookups in the IIS Global file cache Misses.Web files received/sec The rate at which this service receives (uploads to a Web service) file since the Web service started.Web files sent/sec the rate at which a file is sent (downloaded from a Web service) by this service since the Web service started.Web Files/sec the rate at which files are transferred by the server since the Web service started.The number of seconds
; Import android.view.view;/** * verson3.0 The first two versions of the finger leave the screen immediately when the rotation will stop, and now this version lets the finger lift, as the inertia of the windmill to continue to rotate a little time. * Idea: Monitor your finger to lift the event, then redraw * * @author Yanqiu * */public class Rotationview extends View {/** to rotate the picture **/private Bitmap bitmap;/** The **/private int degree = 0;/** the width of the picture: here is a squ
password-encryption! Hostname R4 !! No ip domain-lookup !! Interface FastEthernet0/0 ip address 172.16.14.4 255.255.255.0 duplex auto speed auto! Interface FastEthernet0/1 ip address 172.16.34.4 255.255.255.0 duplex auto speed auto! Interface Vlan1 no ip address shutdown! Router VPN 100 network 172.16.14.4 0.0.0.0 network 172.16.34.4 0.0.0.0 no auto-summary! Ip classless !! Line con 0 exec-timeout 0 0 logging synchronousline vty 0 4 login !! End 3. view the neighbor table, topology table, and r
started.
The speed at which the web files sent/Sec files are sent (downloaded from the Web Service) from the Web service after the Web Service is started.
Web files/sec: the speed at which files are transmitted by the server after the Web Service is started.
The number of seconds that the FTP service uptime service or instance has run. When the server or instance is stopped, this value returns to zero. Pause does not affect this counter. In Web Servi
Author: superhei
Team: http://www.ph4nt0m.org
Blog: http://superhei.blogbus.com
After a user logs in, the user information is written as a cache: \ include \ inc_memberlogin.php
Function fushcache ($ mid = 0){If (empty ($ mid) $ mid = $ this-> m_id;$ Dsql = new dedesql ();$ ROW = $ dsql-> getone ("select ID, userid, PWD, type, uname, membertype, money, uptime, exptime, scores, newpm from #@__ member where id = '{$ mid}');If (is_array ($ row )){$
backup and recovery.
5.1 key performance indicators
QPS, Queries Per Second: Queries Per Second, the number of Queries that a database can process Per Second
TPS, Transactions Per Second: number of Transactions processed Per Second
You can view the running status through show status. There are more than 300 status information records. Several Values help us calculate the QPS and TPS, as shown below:
Uptime: the actual number of seconds that the
I. uptimeThe Uptime command displays how long the server has been running, how many login users there are, and the overall server performance evaluation (load average ). The load average value records the load of the last 1 minute, 5 minutes, and 15 minutes respectively. The load average is not a percentage, but the number of processes waiting for execution in the queue. If the process requires that the CPU time be blocked (meaning that the CPU does n
Demo of the custom View series (II) and windmill demo
The windmills of versions 1.0 and 2.0 have an unsatisfactory effect: When the fingers are lifted, the windmills stop rotating, now Version 3 is to let the windmill continue to rotate for a period of time when the finger is lifted. The idea is as follows:
1) Keep turning the windmill for 5 seconds when your fingers are raised
2) Listen to the MotionEvent. ACTION_UP event and record the upTime of the
Explanation of top and load in CentOSThe top command is a common performance analysis tool in Linux. It can display the resource usage of various processes in the system in real time, similar to the Windows Task Manager. The following describes how to use it.Top-01:06:48 up1: 0.06 user, load average: 0.60, 0.48Tasks: 29 total, 1 running, 28 sleeping, 0 stopped, 0 zombieCpu (s): 0.3% us, 1.0% sy, 0.0% ni, 98.7% id, 0.0% wa, 0.0% hi, 0.0% siMem: 191272 k total, 173656 k used, 17616 k free, 22052 k
Miscellaneous
List of modules loaded by modules
File System loaded by mounts
Partition tables recognized by the partitions System
RTC real time clock
Slabinfo slab pool info
Stat comprehensive statistics Status table
SWAps space utilization
Version kernel version
Uptime system normal running time
Not all of these directories are available in your system, depending on your Kernel configuration and loaded modules. In addition, there are three important
Online Enquiry and Help commands (2)Mans HelpFile and Directory Operations commands (13)ls tree pwd mkdir rmdir CD touch CP MV RM Ln Find renameView file and Content processing commands (22)Cat tac more less head tail cut split paste sort uniq WC iconv Dos2unix file diff vimdff chattr lsattr rev grep EgrepFile compression and Decompression commands (4) Tar unzip gzip zipInformation display commands (12)uname hostname dmesg uptime file stat du DF top F
Write the play, in the Init 5 level, after running will actively generate two windows, the system and the system on the main services to monitor, and timely refresh, to share.650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M02/7C/D7/wKiom1bZExnikBOrAAA8FYXAEb8968.png "style=" float: none; "title=" Qq20160304124006.png "alt=" Wkiom1bzexnikboraaa8fyxaeb8968.png "/>650) this.width=650; "src=" Http://s2.51cto.com/wyfs02/M02/7C/D6/wKioL1bZE5WSdOptAABPto4C8sI427.png "style=" float: none; "title
This article mainly introduces the Linux command to view the system average load method, for the server administrator is very useful, the need for friends can refer to the
1, the concept of the average load of Linux systems
Sometimes we feel that the system is responding slowly, but we can't find the reason, so we need to look at the average load and see if there are a lot of processes waiting in line. The average number of processes in a running queue during a specific time interval can ref
Author:superhei
team:http://www.ph4nt0m.org
Blog:http://superhei.blogbus.com
User information is written as a cache after user login: \include\inc_memberlogin.php
function Fushcache ($mid =0)
{
if (empty ($mid)) $mid = $this->m_id;
$dsql = new Dedesql ();
$row = $dsql->getone ("Select id,userid,pwd,type,uname,membertype,money,uptime,exptime,scores,newpm from #@__ Member where id= ' {$mid} ');
if (Is_array ($row))
{
$scrow = $dsql->getone ("Select ti
Help:stop Stop the daemon SCRIPT
Help:stopall Stop all running forever scripts
Help:restart Restart the daemon SCRIPT
Help:restartall Restart all running forever scripts
Help:list List all running forever scripts
Help:config Lists All Forever User Configuration
Help:set Help:clear Help:logs Lists log files for all forever processes
Help:logs Help:columns Add Help:columns RM Help:columns set Help:cleanlogs [careful] deletes all historical forever log files
Help
Help:options:
Help:-M M
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