linux performance monitoring commands

Tags: path tree includes occupy specified instruction Bubuko indicates terminalI. Description of the OrderThe PS command is the most basic and very powerful process view command. Use this command to determine which processes are running and running, whether the process is complete, if the process is dead, which processes are consuming too many resources, and so on. In short, most of the information can be obtained by executing the command.Second, parameter description PS A: Displays all

"If your Linux server suddenly has a sudden increase in load, alarm text messages quickly explode your phone, how to find out the Linux performance problem in the shortest time?" Look at the Netflix performance Engineering team's blog post to diagnose machine performance iss

Linux system Performance Tuning related commands summary:1. PS: See which processes are currently running in the systemCommon commands are PS aux | Grep-i MySQLHttp://www.cnblogs.com/peida/archive/2012/12/19/2824418.html2. Top: Dynamic display of the CPU, memory usage, and load of each programHttp://www.cnblogs.com/ggj

If your Linux server suddenly has a sudden increase in load, warning text messages quickly explode your phone, how to find out the Linux performance problem in the shortest time? Look at the Netflix performance Engineering team's blog post to diagnose machine performance iss

If your Linux server suddenly has a sudden increase in load, alarm text messages quickly explode your phone, how to find out the Linux performance problem in the shortest time? Look at the Netflix performance Engineering team's blog post to diagnose machine performance issue

When doing performance testing commonly used Linux Command 1, bandwidth use monitoring: sar-nDEV100rxpck/s: received packets per second txpck/s: Packets sent per second rxbyt/s: number of bytes received per second txbyt/s: Number of bytes sent per second 2. GC acquisition situation jstack... common Linux

Key 10 commands to check Linux server performanceOverviewYou can get a general idea of system resource usage within 1 minutes by executing the following command. Uptime DMESG | Tail Vmstat 1 Mpstat-p all 1 Pidstat 1 IOSTAT-XZ 1 Free-m Sar-n DEV 1 Sar-n tcp,etcp 1 Top Some of these commands require the installation

interrupt (software interrupts)% of CPU occupied Line four: Memory status Total Physical Memory Total Free Memory Used amount of memory in use Buff/cache The amount of memory cached Line five: Swap swap partition Total Swap Area Total Free Swap Area Total swap area used by used Avail Mem buffer Swap area total Line six: status monitoring of each process (Task) PID Process ID USER P

(Hardware IRQ)% of CPU occupied Si soft interrupt (software interrupts)% of CPU occupied Line four: Memory status Total Physical Memory Total Free Memory Used amount of memory in use Buff/cache The amount of memory cached Line five: Swap swap partition Total Swap Area Total Free Swap Area Total swap area used by used Avail Mem buffer Swap area total Line six: status monitoring of each proce

You can get a general idea of system resource usage within 1 minutes by executing the following command. Uptime DMESG | Tail Vmstat 1 Mpstat-p all 1 Pidstat 1 IOSTAT-XZ 1 Free-m Sar-n DEV 1 Sar-n tcp,etcp 1 Top Some of these commands require the installation of sysstat packages, some of which are provided by the PROCPS package. The output of these commands h

Five big Linux simple commands to resolve system performance issues 2010-12-17 10:07 James Turnbull techtarget Chinafont Size:T | T Managing the performance of a Linux host often looks like a magic trick. Many administrators often simplify processing when encountering

basic commands for viewing network performance in a Linux environment because Linux often uses a character interface, and Linux is more powerful, with default routing capabilities, which are equivalent to gateways and routers. The network

If your Linux server bursts into sudden load, how can you pinpoint Linux performance problems in the shortest possible time?You can get a general idea of system resource usage within 1 minutes by executing the following command. Uptime DMESG | Tail Vmstat 1 Mpstat-p all 1 Pidstat 1 IOSTAT-XZ 1 Free-m Sar-n DEV 1 Sar-n tcp,